4-Amino-3-hydrazino-1,2,4-triazol-5-thiol
[CAS# 1750-12-5]

Identification

• Name: 4-Amino-3-hydrazino-1,2,4-triazol-5-thiol
• Synonyms: 4-Amino-3-hydrazino-5-mercapto-1,2,4-triazole; Purpald
• Molecular Formula: C₂H₆N₆S
• Molecular Weight: 146.17
• CAS Registry Number: 1750-12-5
• EC Number: 217-135-8

Properties

• Melting point: 230-231 °C

Safety Data

• Hazard Symbols: Xi
• Risk Statements: R36/37/38
• Safety Statements: S26;S36

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Skin irritation	Skin Irrit.	2	H315
Eye irritation	Eye Irrit.	2	H319
Specific target organ toxicity - single exposure	STOT SE	3	H335
Flammable solids	Flam. Sol.	2	H228