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Peptide Directory Australia Guide

Peptide Storage Cheat Sheet

General storage and handling for vials before and after mixing, bacteriostatic water, checks when an order arrives and signs a vial may have degraded.

General information only: This guide is not medical advice or dosing advice, and it does not replace the storage instructions on the product label or from the supplier.

  • Unmixed Vials

    Freeze-dried powder

    Short term
    Fridge, 2–8°C
    Long term
    Freezer, around −20°C, if the label allows
    Light
    Keep in the box, away from light
    Moisture
    Keep sealed and dry
    Expiry
    Use the date on the label
    Thawing
    Avoid thawing and refreezing

  • Mixed Vials

    After adding water

    Temperature
    Fridge only, 2–8°C
    Freezing
    Do not freeze
    Use-by
    Follow the period the supplier states
    Light
    Keep in the box, away from light
    Label
    Write the date mixed on the vial
    If unsure
    Throw it out

  • Bacteriostatic Water

    Sealed and opened vials

    Sealed
    Store as labelled, until the expiry date
    Opened
    Follow the label; multi-dose vials are usually discarded 28 days after opening
    Stopper
    Wipe with an alcohol swab each time
    Do not use
    If cloudy or it contains particles

  • When an Order Arrives

    Checks on delivery

    Packaging
    Check the seal and the label
    Cold storage
    Put vials in the fridge promptly
    Damage
    Do not use cracked or leaking vials
    Records
    Note the batch number
    Problems
    Report them to the seller in writing

  • Signs a Vial May Have Degraded

    What to look for

    Cloudiness
    Haze, floaters or particles
    Colour
    Yellow, brown or any unexpected colour
    Powder
    Shrunken, wet-looking or melted cake
    Seal
    Loose, damaged or missing cap
    Rule
    If in doubt, throw it out

  • Product Instructions

    The label comes first

    Label
    Storage on the label overrides this guide
    Not stated
    Ask the supplier in writing
    Test reports
    Check the batch matches your vial
    Compounds differ
    Stability varies, so follow each label

Core Storage Rule

Keep unmixed vials cold, dry and dark. Once mixed, keep them in the fridge, never freeze them, and write the date mixed on the label. Wherever the product label differs from this guide, follow the label.

Simple Storage Checklist

Before mixing

  • Read the label and the supplier's storage instructions.
  • Keep vials cold, dry and away from light.
  • Avoid thawing and refreezing.
  • Do not use a vial with a damaged seal, cracks or unexpected contents.

After mixing

  • Write the date mixed on the label.
  • Store in the fridge at 2–8°C and never freeze.
  • Keep the vial in its box, away from light.
  • Throw it out if it turns cloudy, changes colour or shows particles.

More Tools

Work out mixing amounts, compare vendors and listed prices, and see stated dispatch terms.

Disclaimer: Peptide Directory Australia is an information directory. We do not sell peptides, provide medical advice or recommend personal use of research compounds.