1,1,3,3-Tetramethylbutyl isocyanate
[CAS# 1611-57-0]

Identification

• Name: 1,1,3,3-Tetramethylbutyl isocyanate
• Molecular Formula: C₉H₁₇NO
• Molecular Weight: 155.24
• CAS Registry Number: 1611-57-0
• EC Number: 624-946-4

Properties

• Density: 0.859
• Boiling point: 170-172 °C
• Refractive index: 1.426
• Flash point: 48 °C

Safety Data

• Hazard Symbols: Xn
• Risk Statements: R10;R20/21/22;R36/37/38
• Safety Statements: S16;S23;S26;S36/37/39

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Eye irritation	Eye Irrit.	2	H319
Acute toxicity	Acute Tox.	4	H332
Specific target organ toxicity - single exposure	STOT SE	3	H335
Skin irritation	Skin Irrit.	2	H315
Flammable liquids	Flam. Liq.	3	H226
Acute toxicity	Acute Tox.	4	H312
Acute toxicity	Acute Tox.	4	H302

• Transport Information: UN 3080