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| BRITE-EDTA |
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| EDTA |
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| Ethylene diamine tetraacetic acid |
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| 60-00-4 |
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EDTA is mainly used for water treatment, as an addtive to detergent, 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 poiduction.
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 imide, 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.
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Molecular Formula£º C10H16N2O8
Molecular Weight£ºM=292.2
FEATURE£ºEDTA is a white crystal powder£¬insoluble in common organic solvents£¬soluble in boiling water 160 times as much and in alkali solvents like sodium hydroxide. At 150¡æ, it shows the tendency to depart from carboxyl.
Melting point£º 240¡æ(decomposition)
Dissolving degree in water£º 0.5g/L(25¡æ)
QUALITY SPECIFICATION£º
Exterior£º White powder.
Content%£º¡Ý99.0
Test on dissolve in sodium carbonate£ºpass
Residue after burning(sulfate)Content%£º¡Ü0.15
Chloride(CI)¡¡Content%£º¡Ü0.1
Sulfate(SO4)¡¡Content%£º¡Ü0.1
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others, waste & water treatment |
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