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LC3304 4-Chlorobutyryl chloride
for liquid chromatography LiChrosolv


Order number Packaging Quantity Price €
AC30304 Glass bottle 250 ml 18.23
AC30304 Glass bottle 1 l 43.65


Product information
Synonyms 4-Chlorobutyric acid chloride
Hill Formula C4H6Cl2O
Chemical formula Cl(CH2)3COCl
HS Code 2915 90 00
EC number 225-059-1
Molar mass 140.99 g/mol
CAS number 4635-59-0


Chemical and physical data
Ignition temperature 440 °C DIN 51794
Solubility (20 °C) (rigorous decomposition)
Melting point -49 – -47 °C
Molar mass 140.99 g/mol
Density 1.26 g/cm3 (20 °C)
pH value (H2O) acidic
Boiling point 173 – 174 °C (1013 hPa)
Vapor pressure 4 hPa (20 °C)
Explosion limit 5.5 – 11.7 %(V)
Flash point 85 °C DIN 51758
Refractive index 1.4609 (20 °C, 589 nm)


Safety information according to GHS
Hazard Statement(s) H290: May be corrosive to metals.
H302: Harmful if swallowed.
H314: Causes severe skin burns and eye damage.
H330: Fatal if inhaled.
Precautionary Statement(s) P280: Wear protective gloves/protective clothing/eye protection/face protection.
P301 + P330 + P331: IF SWALLOWED: rinse mouth. Do NOT induce vomiting.
P304 + P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Signal Word Danger
Hazard Pictogram(s)
Storage class Combustible substances, toxic
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.


Safety information
R Phrase R 22-23-35
Harmful if swallowed.Toxic by inhalation.Causes severe burns.
S Phrase S 26-28-36/37/39-45
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 soap and water, if possible also with 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).
Categories of danger toxic, corrosive
Hazard Symbol Toxic


Transport information
Declaration (transport by sea) IMDG-Code UN 2927 TOXIC LIQUID, CORROSIVE, ORGANIC, N.O.S.(4-CHLOROBUTYRYL CHLORIDE), 6.1 (8), II, Segregation Group: 1 (Acids)
Declaration (transport by air) IATA-DGR UN 2927 TOXIC LIQUID, CORROSIVE, ORGANIC, N.O.S.(4-CHLOROBUTYRYL CHLORIDE), 6.1 (8), II


Toxicological data
LD 50 oral LD50 rat 1350 mg/kg


Assay (GC, area%) ≥ 98 %
Density (d 20 °C/ 4 °C) 1.255 – 1.257
Identity (IR) passes test


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