Industrial chemicals · Taylor, TX
Certificate of Analysis

Sample Certificate of Analysis

Ethylene Glycol 30/70 Technical Grade

Technical · 29.98%

Category
Alcohols & Glycols (B)
CAS番号
107-21-1
化学式
C2H6O2
Revision
1.4

Sample COA. Contact Alliance Chemical with your lot number to request a lot-specific COA.

2D chemical structure of Ethylene Glycol 30/70 Technical Grade
Structure · PubChem
Last reviewed 2026-07-17 by Andre Taki, DOT Hazmat Specialist.

COA · Answer summary

Sample specification reference for Ethylene Glycol 30/70 Technical Grade. Source-record results are reference values, not measurements for your lot.

Assay specification
29.0 - 31.0 %, by volume
Grade
Technical

Specifications

ParameterSpecificationSource reference resultTest Method
Assay (ethylene glycol)29.0 - 31.0 %, by volume30.0 %
pH (Neat)7.4 – 8.68.0
Viscosity (Dynamic)< 3 mPa.s2.1
Ash3 Max mg/kg0.6 mg/kg
Sulfate (SO4)2.2 ppm max0.15 ppmTurbidimetric, ACS procedure
Heavy metals (as Pb)0.31 ppm max0.03 ppmICP-OES / ACS heavy metals procedure
Identity (IR)passes testPasses test
Acidity as Acetic Acid0.0016% max0.000097 %
Chloride (Cl)0.43 ppm max0.032 ppm
Diethylene Glycol0.016% max0.0065 %
Iron (Fe)0.039 ppm max0.0065 ppm
Residue after evaporation0.0018% max0.00032 %
Color10 max1.6
Specific gravity (20 °C)1.038 - 1.0481.043
Composition30 % ethylene glycol / 70 % deionized water, by volumeConformsBy formulation; confirmed by specific gravity
Freeze point3.7 °F (-15.7 °C) max3.7 °F (-15.7 °C)ASTM D1177

Specification limits and source-record results are reproduced from the current product reference used by the TDS. This sample is not an issued certificate and does not identify a tested lot. Contact Alliance Chemical with the product and lot number for lot-specific documentation.