An agent for complexion, 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.
(EDTA)Ethylenediaminetetraacetic Acid
EDTA is white powder, soluble in sodium hydroxide, sodium carbonate and ammonia solution, soluble in 160℃ boiling water, slightly soluble in cold water, insoluble in alcohol and general organic solvents.
1. Introduction
Appearance:White or off-white crystalline granule or powder
Molecular Formula:C10H16N2O8
Molecular weight:292.24
CAS No.:60-00-4
EINECS No.:200-449-4
Quality Index: Q/24SJK02-2009
2.Technical Specification
EDTA 4NA
|
Item |
Standard |
Result |
|
Appearance |
White or off-white crystalline granule or powder |
off-white granule or crystalline powder |
|
Assay |
≥99.0% |
99.8% |
|
Chloride(CL) |
≤0.05% |
0.014% |
|
Sulfate(SO4)Content |
≤0.05% |
0.0080% |
|
Heavy metals (Pb) |
≤10ppm |
≤5ppm |
|
Fe |
≤10ppm |
5ppm |
|
Chelation Value |
≥220 mg(Caco3) /g |
223 mg(Caco3) /g |
|
PH |
10.5-12.5 |
10.86 |
|
Bulk density |
700-950 kg/m3 |
878 kg/m3 |
|
Conclusion: |
The product above conform with erterprise standard. |
|
EDTA 2NA
|
Items |
Specification |
Results |
|
Appearance |
White Crystalline powder |
White Crystalline powder |
|
Content |
≥99.0% |
99.51% |
|
CL |
≤0.01% |
0.01% |
|
SO4 |
≤0.05% |
0.01% |
|
NTA |
≤1% |
0.16% |
|
Arsenic |
≤10ppm |
NEGATIVE |
|
Heavy metals (Pb) |
≤10ppm |
≤5ppm |
|
Fe |
≤10ppm |
8ppm |
|
Chelating Value |
≥265mg(CaCo3)/g |
269mg(CaCo3)/g |
|
PH(50g/L;25℃ ) |
4.0-5.0 |
4.38 |
|
Transparency(50g/L,60℃ water solution,stirring for 15min) |
Clear and Transparent without Impurities |
Meet |
|
Conclusion: |
The product complies with the standard above. |
|
3.Application
4.Packing
25KG/bag , Pearly membrane compound bag, with PE inside or according to the customers’ demand
5.Storage
Stored in the dry and ventilated inside storeroom.
