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Methanol Specifications

Industrial methanol, purity ≥ 99.85 %, water ≤ 0.1 %. The table below is the reference specification. The Certificate of Analysis issued with each lot carries the tested values and governs.

Reference specification

Methanol, industrial grade

CAS 67-56-1UN 1230 · Class 3 · PG IISpec rev. 2025-03
PropertyLimitUnitMethod
Purity≥ 99.85%GC
Acetone & aldehyde≤ 0.003% wtASTM E346
Acidity as acetic acid≤ 0.003% wtASTM D1613
Alkalinity as NH₃≤ 0.003% wtASTM D1614
Water content≤ 0.1% wtASTM D1064
Distillation range (IBP–DP)64.0 – 65.2°CASTM D1078
Ethanol content≤ 10ppmASTM E346
Non-volatile content≤ 5mg/100 mLASTM D1353
Permanganate time≥ 60minASTM D1363
Specific gravity, 20/20 °C0.7920 – 0.7930—ASTM D891
Chloride≤ 0.1ppmTurbidimetric
Sulfur≤ 0.5ppmASTM D5453
Total iron≤ 0.1ppmVisual colorimetric
ColorColorless—Visual
AppearanceClear—Visual
OdorAlcoholic—ASTM D1296

Certificate of Analysis

Each lot ships with a CoA sampled at the loading point. It carries the lot number, sampling date, the tested value for every property above, and the issuing laboratory. Request the CoA ahead of delivery with your quotation if your QA process needs it first.

Sample Certificate of Analysis for methanol: test, unit, method, specification and result columns; lot and serial redacted
Sample CoA (real scan, lot and serial redacted). Issuing name and signatory appear on the certificate you receive with your lot.

Retained samples

A retained sample is kept per lot. Quality queries are resolved against the retained sample and the CoA method, as stated on the quotation.

Reading the sheet

Request a quote with CoA

Last reviewed 2026-10-26.