Cryogenic vials

Introduction

Cryogenic vials are the specialized sample containers designed for the storage of the samples at the ultra-low temperatures, such as the liquid nitrogen temperatures, and they are used in the biobanks, the cell culture, the molecular biology, and the research laboratories for the long-term storage of the biological samples. The cryogenic vials are made of the materials that withstand the ultra-low temperatures, such as the polypropylene, and they are designed with the leak-proof and the secure closures, typically the screw caps with the O-rings or the internal threads, which prevent the contamination and the loss of the samples, and they are available in various sizes, with the volumes from 0.5 to 5 milliliters or larger, and they may include the writing area or the barcode for the labeling; the cryogenic vials are used for the storage of the cells, the tissues, the DNA and the RNA, the sera, the microorganisms, and the other biological samples at the ultra-low temperatures, in the liquid nitrogen or in the ultra-low temperature freezers, for the long-term preservation, for the storage of the samples for the research and the diagnostics, and for many other applications, and they are sterilized and certified for the storage of the biological samples; the cryogenic vials are essential for the cryopreservation and the sample storage. Cryogenic vials are used in the biobanks, in the cell culture laboratories, in the clinical laboratories, in the research institutions, and for many other applications. With their ultra-low temperature storage, cryogenic vials are essential for the cryopreservation.

Cryogenic Vial LCRV-T2010

Cryogenic Vial is a 4.0 mL polypropylene vial designed for secure cryogenic storage of biological specimens. Its self-standing format supports hands-free handling during freezing or thaw...

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Standards

ISO 21009-1:2022-Cryogenic vessels-Static vacuum-insulated vessels-Design, fabrication, inspection and tests

Complies with the above standards, but is not limited to them.

Features

1. Cryogenic vials for ultra-low temperature storage of biological samples in liquid nitrogen (-196 C) and freezers (-80 C).

2. Polypropylene vials with silicone O-ring seal, external/internal threads, and writing area for sample identification.

3. Suitable for biobanking, cell culture, clinical research, pharmaceutical, reproductive and diagnostic laboratories.

4. Includes vials (1.2-5 mL), caps with O-rings, optional barcodes, rack/box packaging, and product documentation.

5. Supports cryopreservation of cells, tissues, serum, DNA/RNA, proteins, reagents and clinical specimens at -80 C to -196 C.

FAQ

Q1: What testing scenarios are these vials mainly applied to?

A: Cryogenic vials are used in biobanking, cell culture, clinical research, pharmaceutical, reproductive, and diagnostic laboratories for secure, leak-proof storage of biological samples at ultra-low temperatures (-80 C mechanical freezers to -196 C liquid nitrogen vapor/liquid phase), preserving sample integrity for long-term archival and future use. They support cell culture and biotech (cryopreservation of mammalian cell lines, primary cells, stem cells, hybridomas, bacteria, yeast, fungi - stored in liquid nitrogen (vapor phase preferred for safety) or -80 C for short-term; cells frozen with cryoprotectant (DMSO, glycerol) in vials; vials must withstand thermal shock from -196 C to 37 C water bath thawing), biobanking and repositories (long-term storage of human/animal specimens (blood, serum, plasma, urine, saliva, tissue biopsies, DNA/RNA, proteins), clinical trial samples, population biobanks; vials with 2D barcodes for automated inventory management (LIMS integration), cell therapy and regenerative medicine (cryopreservation of CAR-T cells, stem cell products, tissue-engineered constructs - GMP-grade vials, sterile, validated closure), reproductive medicine (sperm, oocytes, embryos - cryovials or specialized straws; IVF clinics, sperm banks), pharmaceutical and biopharma (storage of master/working cell banks (MCB/WCB), reference standards, APIs, biologics, reagents, vaccine candidates; stability studies at -20/-80 C), clinical diagnostics (storage of patient samples for molecular testing (PCR, sequencing), serology, biochemistry; residual sample archival; clinical labs), research and academic (general lab sample storage, protein crystallization trials, compound libraries, seed stocks, and forensic/archaeological samples). Cryogenic vials are typically made of medical-grade polypropylene (PP) which remains flexible and impact-resistant at -196 C (unlike polystyrene which becomes brittle). Features: silicone O-ring in cap for leak-proof seal (critical to prevent LN2 ingress into vial - if LN2 enters sealed vial, it can explode when thawing due to rapid expansion (700x volume expansion); external threads preferred for LN2 storage (internal threads can trap LN2 in threads and leak/explode)), sterile (gamma or e-beam irradiated, RNase/DNase-free, pyrogen-free for molecular/cell use), volume 1.2-5 mL (1.8-2 mL most common for cell banks), conical or self-standing bottom, writing patch and/or 2D barcode (DataMatrix) for identification, and packaged in racks/boxes (9x9, 10x10 arrays) for freezer storage. This is a consumable product (not an instrument) - FAQ focuses on selection, use, safety, and compatibility.

Q2: What standards do these vials comply with?

A: Cryogenic vials follow relevant ISO, IEC, FDA, USP and GB/T standards including ISO 9001 (quality management), ISO 13485 (medical devices - if for clinical/IVD use), FDA 21 CFR (if for pharmaceutical/biologic storage - current good manufacturing practice (cGMP) for container closure), USP <661> (plastic materials of construction - for container closure systems), USP <87>/<88> (biological reactivity - in vitro/in vivo biocompatibility), IATA/ICAO (if shipping dry ice/liquid nitrogen - dangerous goods regulations), and GB/T standards for plastic labware. The product complies with applicable material standards (medical-grade polypropylene per USP Class VI or ISO 10993 biocompatibility), sterility (if sterile: SAL 10^-6 via gamma/e-beam irradiation, validated), RNase/DNase/pyrogen-free (for molecular/cell applications - tested and certified), and leak-tightness (validated closure, O-ring seal). For clinical/IVD use, vials may be CE-marked (IVDR) or FDA-registered. For GMP cell banking, use sterile, validated, lot-traceable vials with certificates of analysis (CoA). For shipping biological samples on dry ice or LN2, follow IATA/ICAO dangerous goods regulations (UN 1845 for dry ice, UN 1977 for LN2; proper packaging, labeling, documentation). For liquid nitrogen storage, ensure vials are rated for LN2 (some vials are only -80 C rated; using -80 vials in LN2 risks breakage/leakage). For biobanking, follow ISBER (International Society for Biological and Environmental Repositories) best practices and OECD guidelines for biological resource centers. For regulated labs, maintain lot traceability and CoA records.

Q3: What is the warranty period for vials and key components?

A: Cryogenic vials are consumables/disposables - typically no warranty beyond freedom from defects in materials/workmanship upon receipt (manufacturer warranty against defects, often 1 year from purchase for unopened packaging; sterile vials have expiration date for sterility (typically 3-5 years from manufacture if unopened)). The vials, caps, and O-rings are single-use (do not reuse - reusing compromises sterility and seal integrity; polypropylene can become brittle after repeated freeze-thaw, O-rings lose elasticity). Damage from improper use (exceeding temperature rating, using non-LN2 vials in LN2, over-tightening caps (strips threads/cracks vial), thermal shock beyond rating, reusing vials, autoclaving non-autoclavable vials, LN2 ingress causing explosion) is not covered. Extended warranty does not apply to consumables. Sterility expires - do not use expired sterile vials for critical applications (cell therapy, clinical samples). Lot-to-lot consistency is verified by manufacturer (CoA). For bulk purchases, inspect shipment for damage (crushed boxes, broken vials) upon receipt and report within warranty period.

Q4: Is this product difficult to use? Is professional training required?

A: Use is straightforward for lab personnel, but proper cryogenic technique is critical for safety and sample integrity. No professional training required for basic use, but training on cryogenic safety (LN2 hazards, explosion risk from LN2 ingress) is essential. We provide product documentation (IFU - instructions for use). Proper use (select appropriate vial (temperature rating: -80 C only vs LN2 (-196 C); external threads for LN2 (safer); sterile/non-sterile; volume; barcode), sample preparation (add sample + cryoprotectant (for cells: 5-10% DMSO or glycerol; final volume typically 1-1.5 mL in 2 mL vial - do not overfill (leave headspace for expansion; liquids expand ~10% when frozen; overfilling can crack vial)), cap closure (screw cap firmly (hand-tight, do not over-tighten - over-tightening strips threads or cracks vial; ensure O-ring is seated and not damaged); for external thread vials, ensure threads engage properly), labeling (write sample ID, date, passage number on writing patch; apply 2D barcode if used; ensure label adheres at low temp (standard labels may fall off in LN2 - use cryo-labels or barcode directly on vial)), freezing (controlled-rate freezing is critical for cells (1 C/min cooling to -80 C then transfer to LN2; use Mr. Frosty or controlled-rate freezer; do not put cells directly in -80 or LN2 without controlled rate (ice crystal formation kills cells); for non-cellular samples (DNA, serum), can freeze directly at -80 or LN2), storage (store upright in cryobox/rack in -80 C freezer or LN2 dewar (vapor phase preferred for safety (temperature -150 to -190 C, no LN2 contact); liquid phase storage (-196 C) risks LN2 ingress through cap - use only LN2-rated external-thread vials and ensure proper seal; never store non-LN2-rated vials in liquid LN2), thawing (for cells: rapid thaw in 37 C water bath (1-2 min), do not submerge cap (prevent contamination); wipe with ethanol; transfer to media immediately to dilute DMSO (toxic to cells at room temp); for LN2-stored vials: inspect for cracks before thawing; if vial contains LN2 (frosty, hissing), place in secondary container behind shield - risk of explosion; do not open immediately; allow LN2 to evaporate or vent carefully), post-thaw (do not refreeze thawed cells (viability drops); for non-cellular samples, can refreeze if stable (but minimize freeze-thaw cycles), maintenance (for users: no maintenance needed for disposable vials; for storage equipment (freezers, dewars) - separate maintenance), safety (CRITICAL: LIQUID NITROGEN HAZARD (LN2 is -196 C; can cause severe cryogenic burns (frostbite); wear cryogenic gloves, face shield, lab coat, closed-toe shoes; work in well-ventilated area (LN2 evaporates to nitrogen gas - can cause asphyxiation in confined spaces (oxygen deficiency); use oxygen monitor in LN2 storage rooms), EXPLOSION RISK (if LN2 enters a sealed vial, it expands 700x when warming -> vial can explode violently; this is the #1 hazard with cryovials; prevention: use external-thread LN2-rated vials, ensure proper seal, store in vapor phase (not liquid), do not over-tighten, inspect vials before thawing, thaw behind blast shield or in secondary container, do not face vial directly when opening; if a vial is frosty/hissing from LN2, isolate and let vent), SAMPLE CONTAMINATION (LN2 can carry contaminants (fungi, bacteria) between vials if vials leak; vapor phase reduces cross-contamination; use sterile vials, proper sealing; for high-value samples, use internal-thread? Actually external threads are safer for LN2 but internal threads may seal better for -80; choose based on storage), MATERIAL (polypropylene is durable at -196 C but becomes brittle with age/repeated freeze-thaw; do not reuse; inspect vials for cracks before use; do not use damaged vials), STERILITY (sterile vials have expiration; do not use expired for cell/clinical work; work in biosafety cabinet when filling sterile vials), SHIPPING (if shipping on dry ice or LN2, follow IATA/ICAO dangerous goods regulations (UN 1845 dry ice, UN 1977 LN2); proper packaging, labeling, paperwork; use dry shippers for LN2 (absorbent material prevents liquid spill)), do not store incompatible samples together (cross-contamination, chemical reactions), do not use glass vials in LN2 (glass can break from thermal shock - use plastic PP cryovials), do not autoclave cryovials unless rated (most are disposable, not autoclavable; some PP vials can be autoclaved but sterility compromised - use fresh sterile), for GMP/clinical: use lot-traceable vials with CoA, document lot number in batch records, do not reuse) are essential for safe cryogenic storage.

Q5: What is the typical lead-time for order delivery?

A: Standard models require 7-30 working days. In-stock units can ship within 3-7 working days. Custom configurations or large built-to-order systems may require additional time, and we confirm the exact schedule before order confirmation.

Q6: Is regular calibration required? What is the recommended calibration cycle?

A: Cryogenic vials are disposable consumables - no calibration required. However, for critical applications (GMP cell banking, clinical biobanking), verify each lot upon receipt: inspect packaging integrity (sterile barrier intact), check sterility expiration date, review CoA (certificate of analysis - sterility, RNase/DNase, biocompatibility, leak test), and perform fit/closure check (sample vials from lot). For storage equipment (freezers, LN2 dewars) that hold the vials: calibrate/monitor temperature continuously (freezers: continuous monitoring with alarms, annual calibration; LN2 dewars: monitor LN2 level, regular refill). For automated biobanking systems: calibrate barcode readers and robotic handlers per manufacturer. For vials themselves: single-use, no recalibration. If using vials for validated processes (cell therapy, GMP), include vial lot qualification in process validation (closure integrity, leak test, biocompatibility, extractables/leachables per USP <661>/ISO 10993). Temperature monitoring of storage is critical - vials do not maintain temperature, the storage system does.

Q7: Are supporting consumables universal?

A: Cryovials are somewhat standardized (1.8/2 mL vials fit standard cryoboxes (9x9 or 10x10 arrays, 12.5-13 mm diameter), but brands differ slightly in thread, height, barcode format - use same brand for consistent rack fit and automation), cryoboxes/racks (standard 9x9 (81-place) or 10x10 (100-place) for 2 mL vials; 5 mL vials need larger boxes - universal from lab supply but match vial size), cryo-labels (specific for low temp (adhere at -80/LN2; standard labels fall off) - use cryo-labels or direct-mark vials), controlled-rate freezing containers (Mr. Frosty, Corning CoolCell - universal for 1-2 mL vials), LN2 dewars/-80 freezers (storage equipment - separate), and gloves/cryo-PPE are available from lab supply companies. Vials themselves are often brand-specific for automation (barcode type, rack format) - use OEM or compatible with your system. Long-term consumable cost: vials are single-use (cost $0.20-$2 each depending on sterile/barcode/GMP); ongoing purchase for sample storage.

Q8: Can I customize parameters or supporting accessories?

A: Customization includes volume (0.5 mL, 1.2 mL, 1.8/2 mL (most common), 4 mL, 5 mL, 10 mL - for different sample types), thread type (external thread (preferred for LN2 - reduces LN2 trapping, easier to handle with gloves) or internal thread (better seal for -80, but can trap LN2)), bottom (conical (for pellet recovery, centrifugation) or self-standing (round/flat bottom with skirt - stands on bench)), sterility (non-sterile (for non-critical samples, reagents) or sterile (gamma/e-beam irradiated, SAL 10^-6, for cell culture/clinical)), certification (RNase/DNase-free, pyrogen-free, human DNA-free (for molecular/forensic), USP Class VI / ISO 10993 biocompatible (for cell/clinical), GMP-grade (with CoA, lot traceability, for pharma/cell therapy)), identification (writing patch (standard), 1D barcode, 2D DataMatrix barcode (laser-etched or printed, for LIMS/automation), color-coded caps/inserts (for sample grouping), alpha-numeric grid on rack), packaging (bulk (bag, non-sterile), racked (in 96-rack, sterile, ready for automation), pre-barcoded (2D barcodes applied, with database file), accessories (cryoboxes (9x9, 10x10, color-coded), cryo-racks (for dewars/freezers), cryo-labels, controlled-rate freezer (Mr. Frosty, CoolCell), LN2 dewars, -80 C freezers, cryogenic gloves/face shield, bar code scanners, certifications (CE, ISO 9001, ISO 13485, FDA, USP Class VI, sterile expiration), language and documentation. Additional boxes, racks, and accessories can be ordered separately.

Q9: Does the purchase include on-site installation and commissioning service?

A: Standard delivery includes cryogenic vials (packaged in boxes/racks), caps (attached), and product documentation (CoA, IFU). On-site installation is NOT applicable for consumable vials (no installation - open package and use). On-site training is not included for standard orders. For GMP implementation or biobanking automation setup: training/consulting can be arranged at additional cost (vial selection, closure validation, automation integration, SOP development). Always inspect shipment for damage, verify sterility expiration and CoA before use, and use within expiration date for sterile vials.

Q10: What types of samples are compatible with these vials?

A: Cryogenic vials are compatible with various biological samples requiring low-temperature storage including cells (mammalian cell lines, primary cells, stem cells, CAR-T, bacteria, yeast, fungi, protozoa - with cryoprotectant (DMSO, glycerol)), biological fluids (serum, plasma, blood, urine, saliva, CSF, semen, cell culture media), nucleic acids (DNA, RNA - stable at -80/LN2; use RNase-free vials), proteins/antibodies/enzymes (stable at -20/-80; avoid repeated freeze-thaw), tissues (biopsies, surgical specimens, plant tissue - may need larger vials or cryomolds), reagents and standards (assay kits, reference materials, chemical stocks - verify chemical compatibility with PP), and clinical trial / biobank specimens. NOT compatible with: Samples requiring room temperature or +4 C storage (cryovials are for low temp; but can be used at room temp short-term), organic solvents that attack polypropylene (some strong solvents (xylene, toluene, hot solvents) can swell/weaken PP - verify compatibility; DMSO is OK at low concentrations (5-10%) but pure DMSO may affect PP over time at room temp (at -80 it is fine)), highly acidic/basic samples at high concentration (can stress PP, but at low temp reactions slow - verify), samples with radioactivity (need special containment, not standard vials), samples larger than vial volume (do not overfill - leave headspace for expansion; use larger vial), and samples requiring gas exchange (sealed vials are airtight - not for samples needing oxygen/CO2 exchange (use culture flasks)). For liquid nitrogen storage: use only LN2-rated vials (some vials are -80 C only; -80 vials in LN2 may crack/leak due to thermal stress). For samples stored in LN2 liquid phase: ensure vials are properly sealed (external thread, O-ring intact) to prevent LN2 ingress (explosion hazard on thaw). For clinical/GMP samples: use sterile, lot-traceable vials with CoA. IMPORTANT: Cryogenic vial fundamentals: (1) What is a cryovial? A small plastic vial (typically polypropylene) designed for storing biological samples at ultra-low temperatures (-80 C to -196 C). Features: screw cap with silicone O-ring (leak-proof), sterile options, barcodes, various volumes. Single-use disposable. (2) Key materials: - Polypropylene (PP): Standard material. Remains flexible and impact-resistant at -196 C (glass transition temp ~-10 C, but does not become brittle like polystyrene). Autoclavable (some grades). Chemical resistance: good to water, acids, bases, alcohols; poor to some organic solvents (xylene, toluene, hot solvents). - Silicone O-ring: Provides leak-proof seal. Flexible at low temp. - Caps: Polypropylene, with O-ring groove. (3) Temperature ratings: - -80 C rated: For mechanical ultra-low freezers. Most vials. - LN2 rated (-196 C): For liquid nitrogen (vapor or liquid phase). Must be specifically rated; external threads recommended. - Some vials rated -196 C vapor phase only (not liquid immersion). - NEVER use -80 vials in LN2 (thermal stress can crack). (4) External vs internal threads: - External thread: Threads on outside of vial, cap screws over. Preferred for LN2: less chance of LN2 being trapped in threads, easier to open with gloves, less cross-contamination. - Internal thread: Threads inside vial neck, cap screws in. Better seal for -80, but LN2 can be trapped in threads -> risk of leakage/explosion when thawing. More common for -80 storage. - For LN2: external thread is strongly recommended by most safety guidelines. (5) The explosion hazard (CRITICAL): - If LN2 enters a sealed vial (through imperfect seal or trapped threads), it is liquid at -196 C. - When thawing, LN2 warms and expands ~700x to gas. - In a sealed vial, pressure builds rapidly -> vial explodes (can send shrapnel, release sample). - Prevention: (a) Use LN2-rated external-thread vials. (b) Ensure cap is properly sealed (hand-tight, O-ring intact). (c) Prefer vapor-phase storage (no liquid LN2 contact). (d) Do not over-tighten (can crack vial/threads). (e) Inspect vials before thawing (cracks, frost). (f) Thaw behind blast shield or in secondary container. (g) If vial is frosty/hissing (LN2 inside), do not open immediately - let vent in safe area. (h) Wear face shield, cryo-gloves. (6) Controlled-rate freezing (for cells): - Cells must be frozen at ~1 C/min to allow water to leave cells (prevents intracellular ice crystal formation which ruptures membranes). - Methods: Mr. Frosty (isopropyl alcohol bath, -80 C), CoolCell (insulated block, no alcohol), controlled-rate freezer (programmable, -1 C/min). - After reaching -80 C (overnight), transfer to LN2 for long-term. - Never put cells directly in LN2 (too fast -> ice crystals -> cell death). - Cryoprotectants: 5-10% DMSO (most common) or 10-15% glycerol. DMSO is toxic at room temp - dilute quickly after thawing. (7) Storage systems: - -80 C mechanical freezer: Common for short-medium term (months-years). Temperature -80 C. Easier, safer (no LN2). Some samples (cells) lose viability over years at -80; LN2 better for long-term. - LN2 vapor phase: -150 to -190 C. No liquid contact. Safer (no LN2 ingress). Best for long-term cell banks. - LN2 liquid phase: -196 C. Longest storage, but LN2 ingress risk. Use only properly sealed LN2 vials. - Dewars: Vacuum-insulated containers for LN2. Monitor level, refill regularly (weekly-monthly depending on size). - Freezers/dewars should have continuous temperature monitoring and alarms. (8) Common errors: - Using non-LN2 vials in LN2 (crack/leak/explode). - Overfilling vials (liquid expands when frozen -> crack; fill to 80-90% max, leave headspace). - Over-tightening caps (strips threads, cracks vial - hand-tight only). - Reusing vials (compromises sterility, O-ring, PP brittleness - single use). - Direct LN2 immersion of cells without controlled-rate freezing (cell death). - Storing in liquid LN2 with internal-thread or poorly sealed vials (explosion risk). - Not labeling with cryo-labels (labels fall off in LN2; use direct-mark or cryo-labels). - Using expired sterile vials (sterility not guaranteed for cell/clinical work). - Thawing without PPE/shield (explosion, cryogenic burn, sample loss). - Storing incompatible samples together (cross-contamination, especially if vials leak in LN2). - Ignoring oxygen deficiency in LN2 rooms (asphyxiation risk - use O2 monitor). (9) Choosing the right cryovial: - Storage temp: -80 only -> any cryovial. LN2 -> LN2-rated external thread. - Sample type: Cells -> sterile, RNase-free, 1.8-2 mL. DNA/RNA -> RNase/DNase-free. Clinical/GMP -> sterile, CoA, lot traceable. Non-critical -> non-sterile, cheaper. - Volume: 1.8-2 mL for cell banks/aliquots; 4-5 mL for larger samples (serum, tissue). - Automation: 2D barcoded, racked, specific format matching robot. - Identification: Writing patch (manual), 2D barcode (LIMS/automation), color caps (grouping). - Budget: Non-sterile bulk (cheapest), sterile racked (more expensive), GMP (most expensive). (10) This is a consumable, not an instrument. The "Features + FAQ" format is adapted: features describe product attributes; FAQ covers selection, use, safety, compatibility. No calibration, no installation, no warranty in the instrument sense - these are addressed as consumable-specific points (sterility expiration, lot traceability, defect warranty).