Disodium EDTA
time:2012-09-12 17:30:01,count:0

Disodium EDTA
Alias
Disodium N,N'-1,2-ethanediylbis(N-(carboxymethyl)glycine)
Disodium edetate
Category
Zwitterionic surfactants-Amino carboxylic acid
CAS No.
139-33-3
Molecular Formula & Molecular Weight
Molecular Formula: C10H14N2Na2O8
Molecular Weight: 336.21
Structural Formula
Properties
Appearance: white powder.
Solubility: soluble in water.
Stability: stable.
Risk: irritation, irritation to skin, eye.
Animal Toxicity[1]: rat oral LD50: 2000mg/Kg;
mouse intraperitoneal LD50: 260mg/Kg;
mouse oral LD50: 2050mg/Kg;
mouse intravenous LD50: 56mg/Kg;
rabbit oral LD50: 2300mg/Kg;
rabbit intravenous LD50: 47mg/Kg.
Reproductive effect.
Ecology: May be hazardous to environment. Water body should be given special attention.
Biodegradability: Biodegradable.
Characteristics: excellent chelating, dispersing abilities.
Synthesis
 
Quality standards & test methods
item
physical and chemical indexes
test methods
actives, %,≥
95
 
Major Uses
Use as chelating agent. Eg: personal care products, Industrial cleaning, household cleaning products, water treatment, textile, paper, heavy metals treatment.
Chelating agent, viscosity controlling agent in personal care products.
Buffer in color photographic materials.
Use as pharmaceutical ingredient.
Use as buffering agent.
Manufacturers
 
References
[1]:http://toxnet.nlm.nih.gov/:139-33-3
Update: 20140915(1);

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