4-Amino-4H-1,2,4-triazole
[CAS# 584-13-4]

Identification

• Name: 4-Amino-4H-1,2,4-triazole
• Synonyms: 4H-1,2,4-Triazol-4-amine
• Molecular Formula: C₂H₄N₄
• Molecular Weight: 84.08
• CAS Registry Number: 584-13-4
• EC Number: 209-533-5

Properties

• Melting point: 84 °C
• Water solubility: 810 g/L (20 °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
Specific target organ toxicity - single exposure	STOT SE	3	H335
Eye irritation	Eye Irrit.	2	H319
Acute toxicity	Acute Tox.	4	H302
Carcinogenicity	Carc.	2	H351
Eye irritation	Eye Irrit.	2A	H319
Reproductive toxicity	Repr.	2	H361
Specific target organ toxicity - repeated exposure	STOT RE	2	H373