Riboflavin
[CAS# 83-88-5]

Identification

• Classification: API >> Vitamins and minerals >> Vitamin B drugs
• Name: Riboflavin
• Synonyms: 7,8-Dimethyl-10-ribitylisoalloxazine; Lactoflavine; Vitamin B2
• Molecular Formula: C₁₇H₂₀N₄O₆
• Molecular Weight: 376.37
• CAS Registry Number: 83-88-5
• EC Number: 201-507-1

Properties

• Melting point: 290 ºC
• alpha: -135 º (c=5, 0.05 M NaOH)
• Water solubility: 0.07 g/L (20 ºC)

Safety Data

• Safety Description: S24/25

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute toxicity	Acute Tox.	4	H302
Skin irritation	Skin Irrit.	2	H315
Eye irritation	Eye Irrit.	2A	H319
Specific target organ toxicity - single exposure	STOT SE	3	H335