NTA
time:2013-05-13 01:20:57,count:0
NTA
Alias
Glycine, N,N-bis(carboxymethyl)-
Nitrilotriacetic acid
Category
Zwitterionic surfactants-Amino carboxylic acid
CAS No.
139-13-9
Molecular Formula & Molecular Weight
Molecular Formula: C6H9NO6
Molecular Weight: 191.14
Structural Formula
Properties
Appearance: solid.
Solubility: soluble in water; 25℃, 59.1g/L[1].
Stability: stable.
Risk: irritation, irritation to skin, eye.
Animal toxicity[1]: mouse intraperitoneal LD50: 325mg/Kg;
mouse oral LD50: 3160mg/Kg;
rat oral LD50: 1100mg/Kg.
reproductive effect.
overall carcinogenic evaluation: Group 2B.
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.
Use as dispersing agent.
Manufacturers
 
References
[1]:http://toxnet.nlm.nih.gov/: 139-13-9
Update: 20140924(1);

 

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