Information
Specification category:
Product No. | Product name | specifications |
1.14339.020 | Ethylenediamine tetraacetic acid | AR250g |
1.14339.030 | Ethylenediamine tetraacetic acid | CP250g |
1.14339.040 | Ethylenediamine tetraacetic acid | CP25kg |
1.14339.060 | Ethylenediamine tetraacetic acid | AR25kg |
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Characteristic:
Appearance and properties:White crystalline powder.
Melting point(℃): 240 (decomposition)
Density: relative density (water = 1): 0.86
Ignition temperature (℃): 260
Solubility: Solubility in water, 0.5g / L, 25 ℃.
Soluble in sodium hydroxide, sodium carbonate and ammonia solution, insoluble in water, ethanol and organic solvents.
Technical indicators:
Item | AR | CP |
Assay | ≥99.5% | ≥98.5% |
Solubility in sodium carbonate |
solution | Pass | Pass |
Residue on ignition(as SO4) | ≤0.1% | ≤0.3% |
Chloride(Cl) | ≤0.05% | ≤0.1% |
Sulfate(SO4) | ≤0.05% | ≤0.1% |
Iron(Fe) | ≤0.001% | ≤0.001% |
Heavy metals(as Pb) | ≤0.001% | ≤0.001% |
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