3,4-(Methylenedioxy)phenyl isocyanate
[CAS# 69922-28-7]

Identification

• Classification: Chemical reagent >> Organic reagent >> Cyanate ester / isocyanate
• Name: 3,4-(Methylenedioxy)phenyl isocyanate
• Synonyms: 5-Isocyanato-1,3-benzodioxole
• Molecular Formula: C₈H₅NO₃
• Molecular Weight: 163.13
• CAS Registry Number: 69922-28-7
• EC Number: 626-715-3

Properties

• Melting point: 48-51 °C
• Flash point: 110 °C

Safety Data

• Hazard Symbols: Xn
• Risk Statements: R20/21/22;R36/37/38
• Safety Statements: S22;S26;S36

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute toxicity	Acute Tox.	4	H302
Acute toxicity	Acute Tox.	4	H312
Skin irritation	Skin Irrit.	2	H315
Acute toxicity	Acute Tox.	4	H332
Specific target organ toxicity - single exposure	STOT SE	3	H335
Eye irritation	Eye Irrit.	2	H319
Respiratory sensitization	Resp. Sens.	1	H334
Eye irritation	Eye Irrit.	2A	H319
Skin sensitization	Skin Sens.	1	H317

• Transport Information: UN 3335