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LC2145 Dichloroacetic anhydride
for synthesis


Order number Packaging Quantity Price €
AC29145 Glass bottle 5 ml 43.20


Product information
Hill Formula C4H2Cl4O3
Chemical formula (Cl2CHCO)2O
HS Code 2915 90 00
EC number 223-924-8
Molar mass 239.87 g/mol
CAS number 4124-30-5


Chemical and physical data
Solubility (20 °C) (decomposition)
Melting point 29 – 31 °C
Molar mass 239.87 g/mol
Density 1.62 g/cm3 (20 °C)
Boiling point 214 – 216 °C (1013 hPa)
Flash point >112 °C


Safety information
R Phrase R 21-34
Harmful in contact with skin.Causes burns.
S Phrase S 26-36/37/39-45
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.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).
Categories of danger corrosive
Hazard Symbol corrosive
Storage class 8 A Combustible substances, corrosive
WGK WGK 1 slightly 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 2922 CORROSIVE LIQUID, TOXIC, N.O.S.(DICHLOROACETIC ANHYDRIDE), 8 (6.1), II
Declaration (transport by air) IATA-DGR UN 2922 CORROSIVE LIQUID, TOXIC, N.O.S.(DICHLOROACETIC ANHYDRIDE), 8 (6.1), II


Toxicological data
LD 50 oral LD50 rat 2820 mg/kg
LD 50 dermal LD50 rabbit 761.4 mg/kg


Assay (morpholine method) ≥ 98 %
Density (d 20 °C/ 4 °C) 1.621 – 1.624
Identity (IR) passes test