2-(tert-Butyl)phenyl isocyanate
[CAS# 56309-60-5]

Identification

• Name: 2-(tert-Butyl)phenyl isocyanate
• Synonyms: 2-Tert-butylphenyl isocyanate; o-tert-Butylphenyl isocyanate
• Molecular Formula: C₁₁H₁₃NO
• Molecular Weight: 175.23
• CAS Registry Number: 56309-60-5
• EC Number: 623-561-9

Properties

• Solubility: Practically insoluble (0.072 g/L) (25 °C), Calc.^*
• Density: 0.94±0.1 g/cm³ (20 °C 760 Torr), Calc.^*
• Boiling point: 235.7±19.0 °C (760 Torr), Calc.^*
• Flash point: 83.7±24.1 °C, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2015 ACD/Labs)

Safety Data

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

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Respiratory sensitization	Resp. Sens.	1	H334
Acute toxicity	Acute Tox.	4	H332
Eye irritation	Eye Irrit.	2	H319
Skin irritation	Skin Irrit.	2	H315
Specific target organ toxicity - single exposure	STOT SE	3	H335
Acute toxicity	Acute Tox.	4	H302
Acute toxicity	Acute Tox.	4	H312

• Transport Information: UN 2206PSN1B 6.1 / PGIII