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Ethylenediaminetetraacetic acid (CAS 60-00-4) also can called EDTA, it is a white crystalline powder, soluble in sodium hydroxide, sodium carbonate and ammonia solution, soluble in boiling water, slightly soluble in cold water, insoluble in alcohol and general organic solvents.

Product Information

Appearance             White crystal powder
Assay                      ≥99.00%
Chloride (Cl)            ≤0.01%
Sulfate (SO4)          ≤0.05%
Heavy Metal (Pb)     ≤0.001%

Fe                           ≤0.001%

Loss on drying         ≤0.2% 
Chelating value        ≥339mgCaCO3/g
PH                          2.8 ~ 3.0

2) Cosmetics Grade

Appearance              White crystal powder
Assay                       ≥99.50%
Chloride (Cl)             ≤0.01%
Sulfate (SO4)           ≤0.05%
Heavy Metal (Pb)      ≤0.001%

Fe                            ≤0.001%

Loss on drying          ≤0.2% 
Chelating value         ≥339mgCaCO3/g

PH                            2.8 ~ 3.0

NTA                          ≤0.1%

1) High molecular chemical industry: 

EDTA is used as polymetization activator for butyl bezene latex, and polyreaction terminator in acrylic fibre production.

2) Daily chemicals: 

EDTA is used as additive to detergent, skin cream and hair-conditioner.

3) Paper-making: 

EDTA is used for treating the steamed fibre. It will promote the whiteness of paper and reduce the incrustation in the steamer.

4) Pharmaceutical industry: 

Through cyclopolymerization with methyl amide, EDTA is made into ethyl amide, a remedy for psoriasis. It is also a stablizer for some vaccines and an antihaemoagglutinin.

5) Textile dyeing and printing: 

EDTA will promote colour ability of the dyestuff and brightness of the dyed fabric.