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LC1010 n-Butyl isocyanate

for synthesis


Order number Packaging Quantity Price €
AC28010 Glass bottle 5 ml 17.28
AC28010 Glass bottle 25 ml 68.4
AC28010 Glass bottle 250 ml Inquire


Product information
Synonyms Isocyanic acid butyl ester
Hill Formula C5H9NO
HS Code 2929 10 00
EC number 203-862-8
Molar mass 99.13 g/mol
CAS number 111-36-4


Chemical and physical data
Ignition temperature 425 °C
Melting point -75 °C
Molar mass 99.13 g/mol
Density 0.89 g/cm3 (20 °C)
Boiling point 116 °C
Vapor pressure 23 hPa (20 °C)
Explosion limit 1.3 – 10 %(V)
Flash point 19 °C


Safety information
R Phrase R 11-14-21/22-26-34-42
Highly flammable.Reacts violently with water.Harmful in contact with skin and if swallowed.Very toxic by inhalation.Causes burns.May cause sensitization by inhalation.
S Phrase S 23-26-36/37/39-45
Do not breathe vapour.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 highly flammable, very toxic, corrosive, sensitizing
Hazard Symbol


Very toxic

RTECS NQ8250000
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.


Transport information
Declaration (transport by sea) IMDG-Code UN 2485 BUTYL ISOCYANATE, 6.1 (3), I
Declaration (transport by air) IATA-DGR UN 2485 N-BUTYL ISOCYANATE, 6.1 (3),


Toxicological data
LD 50 oral LD50 rat 360 mg/kg


Assay (GC, area%) ≥ 98 %
Density (d 20 °C/ 4 °C) 0.887 – 0.890
Identity (IR) passes test


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