EDTA 4Na/EDTA tetrasodium
Molecular fomula: C10H12N2Na4O8
Molecular weight: 452.2
HS Code:29224999990
CAS No. : 13235-36-4
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Introduction:
EDTA 4Na/EDTA tetrasodium Introduction:
Ethylenediaminetetraacetic acid tetrasodium salt tetrahydrate chemical formula is C10H12N2Na4O8, white crystalline powder. Soluble in water and acid, insoluble in alcohol, benzene and trichloromethane properties. Used as chelating agent, styrene butadiene rubber polymerization initiator, acrylic fiber initiator, etc.
EDTA 4Na/EDTA tetrasodium usage:
Used as soft water agent, chelating agent, styrene butadiene rubber polymerization initiator, acrylic fiber initiator, printing and dyeing auxiliaries, detergent auxiliaries, etc.
In chemical analysis is also used for titration, can accurately titrate a variety of metal ions, widely used.
parameter:
|
Test Item |
Specification |
Result |
|
Appearance |
White crystal powder |
White crystal powder |
|
Content |
≧99% |
99.20% |
|
Chloride |
≦0.01% |
0.005% |
|
PH(1% water solution) |
10.5-11.5 |
10.98 |
|
Chelate value(mg CaCo3/g) |
215min |
220 |
|
Iron(Fe) |
≤0.001% |
0.0003% |
|
Heavy metal(Pb） |
≤0.001% |
0.0003% |