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LC3056 Isobutyryl chloride

for synthesis


Order number Packaging Quantity Price €
AC30056 Glass bottle 250 ml 16.65


Product information
Synonyms 2-Methylpropionyl chloride
Hill Formula C4H7ClO
Chemical formula (CH3)2CHCOCl
HS Code 2915 90 00
EC number 201-194-1
Molar mass 106.55 g/mol
EC index number 607-140-00-7
CAS number 79-30-1


Chemical and physical data
Ignition temperature 325 °C
Solubility (20 °C) (decomposition)
Melting point -90 °C
Molar mass 106.55 g/mol
Density 1.01 g/cm3 (20 °C)
pH value < - 7 (H2O)
Boiling point 92 °C
Vapor pressure 57 hPa (20 °C)
Explosion limit 2.1 – 8.2 %(V)
Flash point 8 °C
Refractive index 1.4073 (20 °C, 589 nm)


Safety information according to GHS
Hazard Statement(s) H225: Highly flammable liquid and vapour.
H314: Causes severe skin burns and eye damage.
Precautionary Statement(s) P210: Keep away from heat.
P280: Wear protective gloves/protective clothing/eye protection/face protection.
P301 + P330 + P331: IF SWALLOWED: rinse mouth. Do NOT induce vomiting.
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 3 Flammable Liquids
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 11-35
Highly flammable.Causes severe burns.
S Phrase S 16-23-26-36-45
Keep away from sources of ignition – No smoking.Do not breathe vapour.In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable protective clothing.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).
Categories of danger highly flammable, corrosive
Hazard Symbol Flammable


Transport information
Declaration (transport by sea) IMDG-Code UN 2395 ISOBUTYRYL CHLORIDE, 3 (8), II, Segregation Group: 1 (Acids)
Declaration (transport by air) IATA-DGR UN 2395 ISOBUTYRYL CHLORIDE, 3 (8), II


Toxicological data
LD 50 oral LD50 rat 1000 mg/kg
LD 50 dermal LD50 rabbit > 2000 mg/kg


Assay (GC, area%) ≥ 98 %
Density (d 20 °C/ 4 °C) 1.008 – 1.009
Identity (IR) passes test


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