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LC3691 Methyl chloroformate

for synthesis


Order number Packaging Quantity Price €
AC30691 Glass bottle 100 ml 11.88
AC30691 Glass bottle 500 ml 19.80


Product information
Synonyms Chloroformic acid methyl ester, Methoxycarbonyl chloride, Methyl chlorocarbonate
Hill Formula C2H3ClO2
Chemical formula ClCOOCH3
HS Code 2915 90 00
EC number 201-187-3
Molar mass 94.5 g/mol
EC index number 607-019-00-9
CAS number 79-22-1


Chemical and physical data
Ignition temperature 485 °C DIN 51794
Solubility (20 °C) (slow decomposition)
Melting point -61 °C
Molar mass 94.5 g/mol
Density 1.23 g/cm3 (20 °C)
pH value (H2O) acidic
Boiling point 71 – 72 °C
Vapor pressure 137 hPa (20 °C)
Explosion limit 7.8 – 23.3 %(V)
Flash point 5 °C
Refractive index 1.3865 (20 °C, 589 nm)


Safety information
R Phrase R 11-21/22-26-34
Highly flammable.Harmful in contact with skin and if swallowed.Very toxic by inhalation.Causes burns.
S Phrase S 14-26-28-36/37/39-45-46-63
Keep away from alcalines and basic substances.In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.After contact with skin, wash immediately with plenty of polyethylene glycol 400.Wear suitable protective clothing, gloves and eye/face protection.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).If swallowed, seek medical advice immediately and show this container or label.In case of accident by inhalation: remove casualty to fresh air and keep at rest.
Categories of danger highly flammable, very toxic, corrosive
Hazard Symbol Flammable
Very toxic
Storage class 3 Flammable Liquids
WGK WGK 2 water endangering
Disposal 11
Organic acid halides, anhydrides and isocyanates can be added dropwise to an excess of methanol (Cat. No. 822283) to convert them into the corresponding methyl esters or methyl carbamates. If necessary, neutralize with sodium hydroxide solution (Cat. No. 105587). Fill into container A.


Transport information
Declaration (transport by sea) IMDG-Code UN 1238 METHYL CHLOROFORMATE, 6.1 (3, 8), I, Segregation Group: 1 (Acids)
Declaration (transport by air) IATA-DGR UN 1238 METHYL CHLOROFORMATE, 6.1 (3, 8),


Toxicological data
LD 50 oral LD50 rat 60 mg/kg
LD 50 dermal LD50 rabbit 890 mg/kg


Assay (GC, area%) ≥ 98 %
Density (d 20 °C/ 4 °C) 1.227 – 1.229
Identity (IR) passes test


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