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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
Product Name Ethylenediaminetetraacetic AcidSynonyms EDTA; Edetic acid; ethylenediamine-N,N,N',N'-tetraacetic acid;
CAS No. 60-00-4
EINECS No. 200-449-4
Molecular formula C10H16N2O8
Molecular weight 292.24
Physical Properties
Appearance White crystal powder
Density 0.86 g/cm3
Melting Point 250℃
Boiling Point 614.2℃ at 760 mmHg
Flashing Point 352.2℃
Refractive Index n20/D 1.3631(lit.)
Water solubility 0.5 g/L ( at 25℃)
Specification
1) Industrial Grade
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%
Applications
As an agent for complexation, EDTA is mainly used for water treatment, as an additive to detergent, a chemical for photography, paper-making and oil-field. It is also used as detergent for boiler cleaning and reagent in chemical analysis.
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.
Packaging
25kg pp woven bag;
Total 18MT with pallets and 22MT without pallets per 20ft container
Storage
Store in a cool, dry place. Keep containers tightly closed.
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