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| Brand Name | HUMICA | Model Number | HMW002 | Place of Origin | China | 
|---|
Molecular Weight = 372.24 EDTA Disodium Salt Chelating Agent White Crystalline Powder
Ethylene diamine tetraacetic acid disodium salt(EDTA-2NA)
[English Name]:  Ethylene diamine tetraacetic acid disodium salt(EDTA-2NA)
[Molecular Fomula]:  C10H14N2O8Na2•2H2O
[Molecular Weight]:   M=372.24
[CAS No]:       6381-92-6
[Properties]:    White crystal powder soluble in water, and a variety of metal ion chelation.
[Quality Index]:       (Q/24SJK02-2009 Quality standard)
| Purity% | ≥99.5 % | 
| Chloride( Cl)% | ≤ 0.005 % | 
| Sulfate(SO4)% | ≤ 0.03 % | 
| Metal chelate(Pb)% | ≤ 0.001 % | 
| Iron(Fe)% | ≤ 0.001 % | 
| Chelate: mgCaCO3/g | 267 min | 
| pH Value | 4.0-5.0 | 
| NTA% | ≤0.1 | 
| Bulk density kg/m3 | 850-1050 | 
| Clarity testing | Pass | 
| Appearance | white crystal powder | 
[Packing]:     25KG/bag , Pearly membrane compound bag, with PE inside or according to the customers’ demand
[Storage]:     Stored in the dry and ventilated inside storeroom, prevent direct sunlight, slightly pile and put down
Usage of  2NA EDTA 99%
1. High molecular chemical industry: EDTA  2NA is used as polymetization activator for butyl bezene latex, 
and polyreaction terminator in acrylic fibre production.
2.Daily chemicals: EDTA 2NA  is used as additive to detergent, skin cream and hair-conditioner.
3.Paper- making: EDTA 2NA is used for treating the steamed fibre. It will promote the whiteness of paper and reduce
 the incrustation in the steamer.
4.Pharmaceutical industry: Through cyclopolymerization with methyl amide, EDTA 2NA is made into
 ethyl amide, a remedy for psoriasis. It is also a stablizer for some vaccines and an antihaemoagglutinin.
5. Textile dyeing and printing: EDTA 2NAwill promote colour ability of the dyestuff and brightness of the 
dyed fabric
FAQ
1. Question: How does your company control your quantity? 
Answer:  All production process are controled by the IS09001 Quality System. 
2. Question: How can i place an order? 
Answer: 1. choose the product you need--2. send enquiry to us-- 3. We will respond and make invoice to you (depends on your enquiry) -- 4. Then you make the payment -- 5. We arrange the shipment .
3. Question: What\'s the your test method? 
Answer:  HPLC or UV as your request.
4. Question: What\'s your delivery? 
Answer: We send the goods within 10 working days after reveiving the payment by DHL ,UPS ,TNT, EMS ,AIR or SEA as your request.
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HUMICA WEIHAI INTERNATIONAL CO.,LTD