Food Yellow 3
[CAS# 2783-94-0]

Identification

• Classification: Biochemical >> Biochemical reagent >> Biological dye
• Name: Food Yellow 3
• Synonyms: C.I. 15985; FD&C Yellow No. 6; Sunset Yellow FCF; Disodium 6-hydroxy-5-[(4-sulphonatophenyl)azo]naphthalene-2-sulphonate
• Molecular Formula: C₁₆H₁₀N₂Na₂O₇S₂
• Molecular Weight: 452.36
• CAS Registry Number: 2783-94-0
• EC Number: 220-491-7

Properties

• Melting point: 390 ºC (dec.)
• Water solubility: 5-10 g/100 mL at 24 ºC

Safety Data

• Hazard Symbols: Xi
• Risk Codes: R36/37/38
• Safety Description: S26;S36

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Eye irritation	Eye Irrit.	2	H319
Specific target organ toxicity - single exposure	STOT SE	3	H335
Skin irritation	Skin Irrit.	2	H315
Chronic hazardous to the aquatic environment	Aquatic Chronic	2	H411
Specific target organ toxicity - repeated exposure	STOT RE	2	H373
Chronic hazardous to the aquatic environment	Aquatic Chronic	3	H412