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PuriLab Analytical
COA/BAC-2026-026Verified
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Certificate of Analysis

PuriLab Analytical

Bacteriostatic Water 10 mL

BAC-2026-026Lot NOT PROVIDEDAnalyzed November 5, 2026
Bacteriostatic Water 10 mL vial as received

Timeline

Ordered
November 1, 2026
Received
November 5, 2026
Analyzed
November 5, 2026

Sample

Name
Bacteriostatic Water 10 mL
Expected
Benzyl Alcohol (preservative)
Amount
1 vial, aqueous solution, multi-dose 10 mL, sealed

Testing

Client
Vantage
Test type
Preservative identity & content determination, pH
Method
HPLC-UV

Group test

Vials tested
1 vial, shared result
Contributors
9 people
Shared by
Pretty Pep Co, Branded Blends LLC, Aesthelix Bloom, Peberekspressen, Put Together(ish) Peps, PEP PLUG UK, WHresearch, Down Under Research, Nexylab
Content, how much is in it
0.92%w/v
Label claim: 0.9% w/v
Identity, what it isMatch
Confirmed
Retention-time and UV spectrum match vs. benzyl alcohol reference standard
pH
6.35
USP range 4.5 to 7.0

Chromatogram

HPLC-UV

mAU010020030000.511.522.533.544.5Retention time (min)3.35
3.35 min, Benzyl Alcohol

Analyst Comments

Clear, colorless aqueous solution, blue flip-cap multi-dose vial, received sealed.

Analyst Signature

Max Barrett
Lab Director, PuriLab Analytical
Analysis date: November 5, 2026

Verification Code

BAC-37Z9-TES9
Verify at purilab.org/verify/BAC-37Z9-TES9

Scan to Verify

BAC-37Z9-TES9

Results apply solely to the sample as received and are not representative of any larger lot, batch, or production run. Findings are limited to the analytes stated above. PuriLab Analytical is an independent testing laboratory, is not CLIA certified or ISO 17025 accredited, does not sell or distribute any substance, and makes no representation as to the safety, legality, or fitness of any material for any use.

PuriLab Analyticaladmin@purilab.org
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