5-Phenyl-2(3H)-oxazolethione
[CAS# 16172-23-9]

Identification

• Name: 5-Phenyl-2(3H)-oxazolethione
• Synonyms: 2-Mercapto-5-phenyloxazole; 5-Phenyl-3H-oxazole-2-thione
• Molecular Formula: C₉H₇NOS
• Molecular Weight: 177.22
• CAS Registry Number: 16172-23-9
• EC Number: 850-942-9

Properties

• Solubility: Very slightly soluble (0.19 g/L) (25 ºC), Calc.^*
• Density: 1.33±0.1 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: 234 ºC (decomp)^**
• Boiling point: 281.6±43.0 ºC (760 Torr), Calc.^*
• Flash point: 124.1±28.2 ºC, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2019 ACD/Labs)

^** Jochims, Johannes C.; Chemische Berichte 1976, V109(1), P154-67.

Safety Data

Hazard Classification

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