Allopurinol EP Impurity C
[CAS# 1346604-13-4]

Identification

• Classification: Analytical chemistry >> Standard >> Pharmacopoeia standards and magazine standards
• Name: Allopurinol EP Impurity C
• Synonyms: 5-(4H-1,2,4-triazol-4-yl)-1H-pyrazole-4-carboxamide
• Molecular Formula: C₆H₆N₆O
• Molecular Weight: 178.15
• CAS Registry Number: 1346604-13-4
• SMILES: C1=NNC(=C1C(=O)N)N2C=NN=C2

Properties

• Density: 1.9±0.1 g/cm³, Calc.^*
• Index of Refraction: 1.884, Calc.^*
• Boiling Point: 579.3±60.0 ºC (760 mmHg), Calc.^*
• Flash Point: 304.1±32.9 ºC, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software.

Safety Data

• Hazard Symbols: GHS07 Warning
• Hazard Statements: H315-H319-H335
• Precautionary Statements: P261-P264-P271-P280-P302+P352-P304+P340-P305+P351+P338-P312-P321-P332+P313-P337+P313-P362-P403+P233-P405-P501