C.I. Food Yellow 3
time:2015-09-09 17:21:35,count:0

C.I. Food Yellow 3
Alias
Sunset yellow
CI 15985
2-Naphthalenesulfonic acid, 6-hydroxy-5-((4-sulfophenyl)azo)-, disodium salt
Category
Anionic surfactants-Sulfonate
CAS No.
2783-94-0
Molecular Formula & Molecular Weight
Molecular Formula: C16H10N2Na2S2O7
Molecular Weight: 452.37
Structural Formula
Properties
Appearance: solid.
Solubility: soluble in water.
Stability: stable.
Risk: irritation, irritation to skin, eye.
Animal toxicity[1]: mouse intraperitoneal LD50: 4600mg/Kg;
mouse oral LD50: > 6000mg/Kg;
rat intraperitoneal LD50: 3800mg/Kg;
rat oral LD50: > 10000mg/Kg.
overall carcinogenic evaluation: Group 3.
Ecology: May be hazardous to environment. Water body should be given special attention.
Biodegradability: biodegradable.
Characteristics: excellent masking, coloring abilities.
Synthesis
 
Quality standards & test methods
item
physical and chemical indexes
test methods
Actives*, %, ≥
95
 
*: should be marked on molecular weight.
Major Uses
Use as dye. eg: personal care products.
Manufacturers
 
References
[1]:http://toxnet.nlm.nih.gov/: 2783-94-0

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