Cyclohexyl isocyanate
[CAS# 3173-53-3]

Identification

• Classification: Chemical reagent >> Organic reagent >> Cyanate ester / isocyanate
• Name: Cyclohexyl isocyanate
• Synonyms: Isocyanatocyclohexane
• Molecular Formula: C₇H₁₁NO
• Molecular Weight: 125.17
• CAS Registry Number: 3173-53-3
• EC Number: 221-639-3

Properties

• Density: 0.98
• Melting point: -80 °C
• Boiling point: 168-170 °C
• Refractive index: 1.454-1.456
• Flash point: 53 °C
• Water solubility: decomposes

Safety Data

• Hazard Symbols: T+;N
• Risk Statements: R10;R21/22;R26;R34;R42;R50
• Safety Statements: S16;S23;S26;S28A;S29;S36/37/39;S45;S57

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Respiratory sensitization	Resp. Sens.	1	H334
Flammable liquids	Flam. Liq.	3	H226
Acute toxicity	Acute Tox.	4	H302
Acute toxicity	Acute Tox.	4	H312
Specific target organ toxicity - single exposure	STOT SE	3	H335
Skin irritation	Skin Irrit.	2	H315
Skin sensitization	Skin Sens.	1	H317
Eye irritation	Eye Irrit.	2	H319
Acute toxicity	Acute Tox.	1	H330
Acute toxicity	Acute Tox.	2	H330
Skin corrosion	Skin Corr.	1B	H314
Skin sensitization	Skin Sens.	1A	H317
Acute toxicity	Acute Tox.	3	H311
Eye irritation	Eye Irrit.	2A	H319
Chronic hazardous to the aquatic environment	Aquatic Chronic	4	H413
Acute toxicity	Acute Tox.	3	H331
Acute toxicity	Acute Tox.	3	H301

• Transport Information: UN 2488