CAS :6381-92-6
MF:C10H19N2NaO9
EINECS :613-386-6
Pureza:99%min
Peso Molecular:334.26
Synonym: aceticacid(ethylenedinitrilo)tetra-,disodiumsalt,dihydrate; disodiumedtadihydrate; ethylenediaminetetraaceticacidsodiumsaltdihydrate(disodiumedta; edta disodium salt dihydrate; edta-2na skincare; edta-2na; edta disodium salt dihydrate bulk
EDTA-2NA CAS number 6381-92-6 is a white crystalline powder containing two crystal waters. It easily loses crystal water when drying. It has good water solubility. The pH value of 5% aqueous solution is 4-5. It is difficult to dissolve in ethanol, ether, etc. Organic solvents.
| ITEM | PADRÃO | RESULTADO |
| Aparência | Pó cristalino branco | Conformidade com |
| PH(aquosa a 5% solução 25℃) | 4.0-5.0 | 4.4 |
| Clareza teste | Passar o teste | Passar |
| Quelato valor | 260mg/g | 269mg/g |
| Pesada metais(como Pb) | ≤0.001% | 0.0007% |
| Fe | ≤0.001% | 0.0006% |
| Cloretos | ≤0.001% | 0.0002% |
| ENTÃO,4 | ≤0.001% | 0.0006% |
| NTA | ≤0.1% | 0.08% |
| Pureza | ≥99,5% de | 99.89% |
EDTA-2NA is an important complexing agent, used to complex metal ions and separate metals. EDTA-2NA is used as a bleaching fixative for the processing of color photosensitive materials, as well as a dyeing auxiliary, a fiber treatment agent, and a cosmetic additive, medicine, food, agricultural chemical micro-fertilizer production, blood anticoagulant, complexing agent, detergent, stabilizer, synthetic rubber, polymerization initiator and heavy metal quantitative analysis agent, etc.
25kgs/tambor,9tons/20'container
25kgs/saco,20tons/20'container
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