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EDTA Disodium

Kylin Chemicals Co.,Ltd.

EDTA Disodium

Country/Region china
Company Kylin Chemicals Co.,Ltd.
Categories EDTA Disodium Salt
Update 2016-09-29 16:01:41
ICP License Issued by the Chinese Ministry
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EDTA Disodium

Synonyms

Disodium salt of Ethylenediaminetetraacetic acid, dihydrate;
EDTA - 2Na

CAS No.

6381-92-6

EINECS No.

205-358-3


Molecular Formula

C10H12N2Na2O82H2O

Molecular Weight

372.24

Molecular Structure

Description

EDTA & its sodium salts are strong chelants which are very effective at preventing the deleterious
effects of heavy metal ions like iron, manganese or copper in bleaching processes, exhibits excellent
ability on dissolving various types of scale. EDTA & its sodium salts are true-all around chelating
agent.

Applications

- Soap/Detergents: Prevent the formation of calcium and magnesium soap; Improve detergency of soaps
and detergents. Stabilizes perborate and percarbonate bleaches.
- Chemical Cleaning: Removes calcium oxalate/ sulfate / carbonate, barium sulfate, and other type scales
from process equipment.
- I & I Cleaners: Dissolves scale, prevents scale formation, improves detergency of surfactants. Prevents
turbidity in concentrated liquid cleaners and shampoos.
- Metal Finishing: Removal of oxide films from metal articles; alkaline derusting; antistreak agents for
pickling baths; alkaline degreasing.
- Textiles: Controls metal ions in scouring, boil-off, bleaching, dyeing, stripping and finishing operations.
Protects fluorescent whitening agents from metal catalyzed oxidation and degradation. Protects dyes
from color change.
- Pulp/Paper: Improves efficiency of hydro bleach; reduces metal catalyzed brightness reversion. Used in
descaling process equipment. Protects dyes from precipitation with metals.
Typical Value
Appearance: white crystalline powder.
Content (Na2EDTA2H2O)99.0%
pH value (50g/L @ 25℃): 4.0 - 5.0Heavy Metal (as Pb)0.001%
Iron (as Fe)0.001%
Chloride(as Cl)0.01%
Sulfate(as SO4)0.05%
Chelating Value, mgCaCO3/g: ≥ 265
Packaging
N.W. 25kgs in paper-PE bags.


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