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LC4856 Pentanoyl chloride
for synthesis


Order number Packaging Quantity Price €
AC31856 Glass bottle 100 ml 16.65


Product information
Hill Formula C5H9ClO
Chemical formula CH3(CH2)3COCl
HS Code 2915 90 00
EC number 211-330-1
Molar mass 120.58 g/mol
CAS number 638-29-9


Chemical and physical data
Ignition temperature 265 °C
Solubility (20 °C) Hydrolysis
Melting point -110 °C
Molar mass 120.58 g/mol
Density 0.99 g/cm3 (20 °C)
pH value (H2O, 20 °C) strongly acid
Boiling point 125 – 127 °C
Vapor pressure 11.4 hPa (20 °C)
Flash point 36 °C


Safety information
R Phrase R 10-20-34-52/53
Flammable.Harmful by inhalation.Causes burns.Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
S Phrase S 26-36/37/39-45-61
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).Avoid release to the environment. Refer to special instructions/ Safety data sheets.
Categories of danger flammable, harmful, corrosive, dangerous for the environment
Hazard Symbol


Storageclass 3 Flammable Liquids
WGK WGK 1 slightly water endangering


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 (GC, area%) ≥ 97 %
Density (d 20 °C/ 4 °C) 0.992 – 0.996
Identity (IR) passes test