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LC3073 Isopentanoyl chloride

for synthesis


Order number Packaging Quantity Price €
AC30073 Glass bottle 100 ml 24.08


Product information
Synonyms 3-Methylbutyryl chloride
Hill Formula C5H9ClO
Chemical formula (CH3)2CHCH2COCl
HS Code 2915 90 00
EC number 203-552-2
Molar mass 120.58 g/mol
CAS number 108-12-3


Chemical and physical data
Solubility (20 °C) (decomposition)
Molar mass 120.58 g/mol
Density 0.99 g/cm3 (20 °C)
Boiling point 114 – 116 °C (1013 hPa)
Flash point 27 °C
Refractive index 1.4161 (20 °C, 589 nm)


Safety information according to GHS
Hazard Statement(s) H226: Flammable liquid and vapour.
H290: May be corrosive to metals.
H314: Causes severe skin burns and eye damage.
H335: May cause respiratory irritation.
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.
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 3 Flammable Liquids
WGK WGK 3 highly 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 10-34-37
Flammable.Causes burns.Irritating to respiratory system.
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 flammable, corrosive
Hazard Symbol Corrosive


Transport information
Declaration (transport by sea) IMDG-Code UN 2502 VALERYL CHLORIDE, 8 (3), II, Segregation Group: 1 (Acids)
Declaration (transport by air) IATA-DGR UN 2502 VALERYL CHLORIDE, 8 (3), II


Assay (morpholine method) ≥ 98 %
Density (20/4 °C) 0.983 – 0.986
Identity (IR) passes test


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