7-Hydroxy-5-methyl-1,3,4-triazaindolizine
[CAS# 2503-56-2]

Identification

• Classification: Analytical chemistry >> Standard >> Pharmacopoeia standards and magazine standards
• Name: 7-Hydroxy-5-methyl-1,3,4-triazaindolizine
• Synonyms: 5-Methyl-7-hydroxy-1,2,4-triazolo[1,5-a]pyrimidine; 5-Methyl[1,2,4]triazolo[1,5-a]pyrimidin-7-ol; 5-Methyl-s-triazolo[1,5-a]pyrimidin-7-ol
• Molecular Formula: C₆H₆N₄O
• Molecular Weight: 150.14
• CAS Registry Number: 2503-56-2
• EC Number: 219-706-7

Properties

• Melting point: 280-283 ºC
• Water solubility: INSOLUBLE IN COLD WATER

Safety Data

• Hazard Symbols: Xi
• Risk Codes: R36/37/38
• Safety Description: 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
Eye irritation	Eye Irrit.	2A	H319