Violuric acid
[CAS# 87-39-8]

Identification

• Classification: Biochemical >> Chinese herbal medicine ingredients
• Name: Violuric acid
• Synonyms: 5-(Hydroxyimino)barbituric acid; 5-Isonitrosobarbituric acid; NSC 56338; VLA
• Molecular Formula: C₄H₃N₃O₄
• Molecular Weight: 157.08
• CAS Registry Number: 87-39-8
• EC Number: 201-741-4

Properties

• Solubility: Slightly soluble (7.1 g/L) (25 ºC), Calc.^*
• Density: 2.19±0.1 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: 245-250 ºC (decomp)^**

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2015 ACD/Labs)

^** Davidson, David; Proceedings of the National Academy of Sciences of the United States of America 1932, V18, P490-6.

Safety Data

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