4-Ethynylthiazole
[CAS# 111600-89-6]

Identification

• Name: 4-Ethynylthiazole
• Molecular Formula: C₅H₃NS
• Molecular Weight: 109.15
• CAS Registry Number: 111600-89-6
• EC Number: 883-078-6

Properties

• Solubility: Slightly soluble (1.3 g/L) (25 °C), Calc.^*
• Density: 1.21±0.1 g/cm³ (20 °C 760 Torr), Calc.^*
• Boiling point: 179.7±13.0 °C (760 Torr), Calc.^*
• Flash point: 67.0±8.7 °C, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2018 ACD/Labs)

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Flammable liquids	Flam. Liq.	4	H227
Acute toxicity	Acute Tox.	4	H312
Acute toxicity	Acute Tox.	4	H302
Eye irritation	Eye Irrit.	2A	H319
Acute toxicity	Acute Tox.	4	H332
Skin irritation	Skin Irrit.	2	H315
Specific target organ toxicity - single exposure	STOT SE	3	H335