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LC1744 Cyclohexyl isocyanate
for synthesis


Order number Packaging Quantity Price €
AC28744 Glass bottle 250 ml 18.45
AC28744 Glass bottle 1 l 61.65


Product information
Synonyms Isocyanic acid cyclohexyl ester
Hill Formula C7H11NO
Chemical formula C6H11NCO
HS Code 2929 10 00
EC number 221-639-3
Molar mass 125.17 g/mol
Storage Store below +15°C.
CAS number 3173-53-3


Chemical and physical data
Ignition temperature 390 °C
Solubility (20 °C) Hydrolysis
Melting point -80 °C
Molar mass 125.17 g/mol
Density 0.98 g/cm3 (20 °C)
Boiling point 171 °C (1013 hPa)
Vapor pressure 2.2 hPa (20 °C)
Flash point 53 °C
Refractive index 1.4551 (20 °C, 589 nm)


Safety information
R Phrase R 10-25-26-34-42/43-51/53
Flammable.Toxic if swallowed.Very toxic by inhalation.Causes burns.May cause sensitization by inhalation and skin contact.Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
S Phrase S 23-26-28-36/37/39-45-61
Do not breathe vapour.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.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, very toxic, corrosive, sensitizing, dangerous for the environment
Hazard Symbol

Very toxic

Dangerous for the environment

RTECS NQ8650000
Storage class 3 Flammable Liquids
WGK WGK 2 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 2488 CYCLOHEXYL ISOCYANATE, 6.1 (3), I
Declaration (transport by air) IATA-DGR UN 2488 CYCLOHEXYL ISOCYANATE, 6.1 (3),


Assay (GC, area%) ≥ 99 %
Density (d 20 °C/ 4 °C) 0.983 – 0.985
Identity (IR) passes test