Isophorone diisocyanate
[CAS# 4098-71-9]

Identification

• Classification: Chemical reagent >> Organic reagent >> Cyanate ester / isocyanate
• Name: Isophorone diisocyanate
• Synonyms: 3-Isocyanatomethyl-3,5,5-trimethylcyclohexyl isocyanate; 5-Isocyanato-1-(isocyanatomethyl)-1,3,3-trimethylcyclohexane; IPDI
• Molecular Formula: C₁₂H₁₈N₂O₂
• Molecular Weight: 222.29
• CAS Registry Number: 4098-71-9
• EC Number: 223-861-6

Properties

• Density: 1.056
• Melting point: -60 °C
• Boiling point: 158 °C (15 mmHg)
• Refractive index: 1.484
• Flash point: >110 °C
• Water solubility: <0.1 g/100 mL at 25 °C

Safety Data

• Hazard Symbols: GHS06;GHS08;GHS09 Danger
• Risk Statements: H331-H335-H315-H319-H334-H317-H411
• Safety Statements: S26;S28;S38;S45;S61

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Skin sensitization	Skin Sens.	1	H317
Specific target organ toxicity - single exposure	STOT SE	3	H335
Respiratory sensitization	Resp. Sens.	1	H334
Chronic hazardous to the aquatic environment	Aquatic Chronic	2	H411
Eye irritation	Eye Irrit.	2	H319
Skin irritation	Skin Irrit.	2	H315
Acute toxicity	Acute Tox.	3	H331
Acute toxicity	Acute Tox.	1	H330
Acute toxicity	Acute Tox.	2	H330
Serious eye damage	Eye Dam.	1	H318
Skin corrosion	Skin Corr.	1B	H314
Chronic hazardous to the aquatic environment	Aquatic Chronic	4	H413
Skin corrosion	Skin Corr.	1C	H314

• Transport Information: UN 2290; UN 2906