C.I. Acid Blue 3 monosodium salt
[CAS# 20262-76-4]

Identification

• Classification: Biochemical >> Biochemical reagent >> Biological dye
• Name: C.I. Acid Blue 3 monosodium salt
• Synonyms: N-[4-[[4-(Diethylamino)phenyl](5-hydroxy-2,4-disulfophenyl)methylene]-2,5-cyclohexadien-1-ylidene]-N-ethylethanaminium inner salt monosodium salt; C.I. 42051:2; C.I. Food Blue 5:2; Food Blue 5:2
• Molecular Formula: C₂₇H₃₁N₂O₇S₂.Na
• Molecular Weight: 582.67
• CAS Registry Number: 20262-76-4
• EC Number: 243-654-4

Safety Data

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