Industrial chemicals · Taylor, TX
Certificate of Analysis

Sample Certificate of Analysis

100% Propylene Glycol Inhibited

Inhibited · 100%

Certificate #
TYP-100PROPYLENE
Lot Number
TYPICAL SAMPLE
Test Date
Category
Alcohols & Glycols (B)
CAS Number
57-55-6
Formula
C3H8O2
Computed Assay
100.00%(100 − Σ impurities)
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Sample COA. Lot-specific COAs ship with each order.

2D chemical structure of 100% Propylene Glycol Inhibited
Structure · PubChem
Last reviewed 2026-05-20.

COA · Answer summary

Typical certificate of analysis for 100% Propylene Glycol Inhibited. Lot-specific results ship with every order.

Assay (computed)
100.00%
Grade
Inhibited

Specifications

ParameterSpecificationTypical ResultTest Method
Assay (GC)99.5 – 100.5 %100 %GC
Acidity (as acetic)≤ 0.002 %0.001 %Titration
Acidity (as acetic)≤ 20 ppm10 ppmTitration
Chlorides (as Cl)≤ 0.5 ppm0 ppmICP
Color (APHA)≤ 10 APHA3 APHAAPHA
Heavy Metals (as Pb)≤ 5 ppmICP-MS
Iron (Fe)≤ 0.5 ppmICP-MS
Specific Gravity @20°C1.033 – 1.039 g/mL1.036 g/mLHydrometer @ 25°C
Water (Karl Fischer)≤ 0.05 %0.04 %Karl Fischer

Generated . Published by Alliance Chemical from first-party canonical product data. Our authority is hands-on chemical handling, DOT/GHS-compliant shipping, and government-registered distribution — not bench chemistry. Values are representative of typical production lots and reflect the published specification range. Lot-specific COAs are provided with every shipment.