Acid Red 51
time:2015-01-04 11:39:17,count:0

Acid Red 51
Alias
CI 45430
Erythrosine sodium
Spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one, 3',6'-dihydroxy-2',4',5',7'-tetraiodo-, sodium salt (1:2)
Category
Anionic surfactants-Phenate
CAS No.
16423-68-0
Molecular Formula & Molecular Weight
Molecular Formula: C20H6I4Na2O5
Molecular Weight: 879.86
Structural Formula
Properties
Appearance: powder.
Solubility: soluble in water.
Stability: stable.
Risk: irritation, irritation to skin, eye.
Animal toxicity[1]: gerbil oral LD50: 1930mg/Kg;
mouse intravenous LD50: 370mg/Kg;
mouse oral LD50: 1264mg/Kg;
rabbit intravenous LD50: 200mg/Kg;
rat intraperitoneal LD50: 300mg/Kg;
rat intravenous LD50: 200mg/Kg;
rat oral LD50: 1840mg/Kg.
reproductive effect.
Ecology: may be hazardous to environment. Water body should be given special attention.
Biodegradability: biodegradable.
Characteristics: excellent dispersing, emulsifying abilities. Fluorescent dye.
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, food.
Manufacturers
 
References
[1]:http://toxnet.nlm.nih.gov/: 16423-68-0

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