Phenyl cyanate
[CAS# 1122-85-6]

Identification

• Name: Phenyl cyanate
• Synonyms: 1-Cyanatobenzene
• Molecular Formula: C₇H₅NO
• Molecular Weight: 119.12
• CAS Registry Number: 1122-85-6
• EC Number: 214-364-5

Properties

• Solubility: Slightly soluble (1.3 g/L) (25 ºC), Calc.^*
• Density: 1.115±0.06 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: 51 ºC^**
• Boiling point: 82-83 ºC (16 Torr)^***
• Refractive index: 1.5094 (589.3 nm 20 ºC)^****
• Flash point: 62.7±15.5 ºC, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2020 ACD/Labs)

^** Stoermer, R.; Berichte der Deutschen Chemischen Gesellschaft 1909, V42, P3133-4.

^*** Grigat, Ernst; Chemische Berichte 1964, V97(11), P3012-17.

^**** Martin, Dieter; Chemische Berichte 1964, V97(9), P2689-94.

Safety Data

Hazard Classification

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