COA Center




Monochloroacetic acid

Article No. 02730 Grade AR
Purity 99.5% CAS No. 79-11-8
Molecular Formula CH2Cl.COOH Molecular Weight 94.50
H.S. Code 2915.4010 Shelf Life 60 Months

Physical Properties

Physical state at 20 °C Solid Colour White crystalline
Odour Penetrating, burning odor pH value < 1 at 800 g/l at 20 °C
Melting point/ Freezing point [°C] 60 - 63 °C Flash point [°C] 126 °C
Boiling point [°C] 189 °C Vapour pressure [20°C] 0.2 hPa at 20 °C
Vapour pressure mm/Hg 1 mm Hg @ 43C Vapour density 3.26
Density [g/cm3] 1.58 Solubility in water [% weight] Very soluble in water
Partition coefficient Log Pow octanol / water at 20°C 0.2 Explosion limits -lower [%] 8%


Appearance Colorless deliquescent crystals Assay (alkalimetric) Min 99.5%
Freezing point Min 61°C Insoluble matter in water Max 0.003%
Sulphated ash Max 0.5% Chloride (Cl) Max 0.005%
Nitrogen compounds (as N) Max 0.003% Sulphate (SO4) Max 0.005%
Copper (Cu) Max 0.0004% Iron (Fe) Max 0.0002%
Lead (Pb) Max 0.0004%

Safety Information and Hazard Symbols

Skull and Crossbones Corrosion Environment
Symbol: GHS05, GHS06, GHS09
Signal Word: Danger
UN No.: 1751
IMCO Class No.: 6.1,8
Packing Group: II
Hazardous Statement: H301-H311-H314-H331-H400
Precaution Statement: P261-P273-P280-P301 + P310-P305 + P351 + P338-P310
Revision Date: 31-Mar-2021

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