COA Center




Methyl alcohol

Article No. 0200C Grade LC-MS
Purity 99.9% CAS No. 67-56-1
Molecular Formula CH3OH Molecular Weight 32.04
H.S. Code 2905.1100 Shelf Life 36 Months

Physical Properties

Physical state at 20 °C Liquid Colour Colorless
Odour Characteristic Melting point/ Freezing point [°C] -98.0
Flammability (solid, gas) Highly flammable liquid and vapors Flash point [°C] 11.0
Boiling point [°C] 64.7 Vapour pressure [20°C] 96.5
Density [g/cm3] 0.791 Relative density, gas (air=1) 1.1
Solubility in water [% weight] Completely soluble Explosion limits - upper [%] 36.50
Explosion limits -lower [%] 5.50


Appearance A clear colorless liquid Purity (by GC) Min 99.9%
Colour scale Max 10 APHA Water (by KF) Max 0.05%
Residue on evaporation Max 0.001% Titrable acid Max 0.0003 meq/g
Titrable base Max 0.0002 meq/g UV absorbance
at 205 nm Max 1.00 at 220 nm Max 0.25
at 230 nm Max 0.15 at 254 nm Max 0.02
at 280 nm Max 0.01 LC-MS Suitability:
ESI + mode (as Reserpine) Max 50 ppb ESI + mode (as 4-Nitrophenol) Max 50 ppb
LC gradient suitability Passes test Metal impurities
Aluminium (Al) Max 25 ppb Barium (Ba) Max 5 ppb
Cadmium (Cd) Max 5 ppb Calcium (Ca) Max 25 ppb
Chromium (Cr) Max 5 ppb Cobalt (Co) Max 5 ppb
Copper (Cu) Max 5 ppb Iron (Fe) Max 5 ppb
Lead (Pb) Max 5 ppb Lithium (Li) Max 5 ppb
Magnesium (Mg) Max 25 ppb Manganese (Mn) Max 5 ppb
Nickel (Ni) Max 5 ppb Potassium (K) Max 25 ppb
Silver (Ag) Max 5 ppb Sodium (Na) Max 50 ppb
Tin (Sn) Max 5 ppb Zinc (Zn) Max 5 ppb

Safety Information and Hazard Symbols

Skull and Crossbones Flame Health Hazard
Symbol: GHS02, GHS06, GHS08
Signal Word: Danger
UN No.: 1230
IMCO Class No.: 3, 6.1
Packing Group: II
Hazardous Statement: H225-H301-H311-H331-H370
Precaution Statement: P210-P260-P280-P301 + P310-P311
Revision Date: 19-May-2018

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