Ethylene Diamine Tetraacetic Acid (EDTA Acid)
White odorless, tasteless, colorless crystalline powder, melting point 250ºC (decomposition). Insoluble in ethanol and general organic solvents, slightly soluble in cold water, soluble in aqueous solutions of sodium h ydroxide, sodium carbonate and ammoni a. Soluble in more than 5% inorganic acid, also soluble in ammoni a and 160 parts boiling water. Its alkali salts are soluble in water.
Specification
| Items |
Standards |
| Appearance |
White crystalline powder |
| Identification |
Pass test |
| Assay (C10H14N2Na2O8.2H2O) |
99.0% ~ 101.0% |
| Chloride (Cl) |
≤ 0.01% |
| Sulphate (SO4) |
≤ 0.1% |
| pH (1%) |
4.0- 5.0 |
| Nitrilotriacetic acid |
≤ 0.1% |
| Calcium (Ca) |
Negative |
| Ferrum (Fe) |
≤ 10 mg/kg |
| Lead (Pb) |
≤ 5 mg/kg |
| Arseni c (As) |
≤ 3 mg/kg |
| Mercur y (Hg) |
≤ 1 mg/kg |
| Heavy metals (as Pb) |
≤ 10 mg/kg |
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.
1. High molecular chemical industry: EDTA is used as polymetization activator for butyl bezene latex, and polyreaction terminator in acrylic fibre production.
2.Daily chemicals: EDTA is used as additive to detergent, skin cream and hair-conditioner.
3.Paper-making: EDTA 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 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 will promote colour ability of the dyestuff and brightness of the dyed fabric.
Packing: 25kg bag or as your requirement
Hebei Runyo Import and Export Co., Ltd.
is a large-scale integrated enterprise with a history of more than ten years. From the beginning to the present, the reason why we can stand firm and become the leader in the chemical industry is because we strictly control the quality, constantly improve the quality, put customer service in the first place, and solve customers' problems in time. And then let the customer have a truly God-like experience!
1.QUALITY
All of chemical meet the standard of MSDS...We ensure the high quality product to all og our customers
2.PRICE
we are factory,and have the priority to supply high chemicals with competitive price.
3.PACKAGE
Different packaging can be supplied according to customer's requirement
4.TRANSPORT
We have stock warehouse near port,and can ship conveniently through the Qingdao port and Tianjin port.
We will do our best to satisfy you with:
1. Tailor-made for each customer.
2. Perform third-party tests on the products you need.
3. Test your counter samples and produce them for you.
4. Offer the best discount to regular customers.
5. 24-hour service.
We promise to provide quality products, competitive prices and good service! Sincerely look forward to cooperating with you in the future!
Q1. Are you a factory or trading company?
A: Yes,we are factory, but not only factory, we also have sales team, own designers, own showroom, can help buyers to decide which products are their suitable choice, and all your inquiry will be replyed within 24 hours.
Q2. Could you send me all your catalogues and price list?
A: As we have more than thousands of items, even 1 item have different size and package, it is really hard to send you all our catalogue and price list for you. Please inform me the items, size and packages you are interested in, so we can offer you the price list you need for your reference .
Q3. Can I get some samples for testing?
A: we are honored to provide samples, the shipping cost should be paid by customers at first. And it will be returned to you in our first time cooperation.
Q4. How does your factory do regarding quality control?
A: Our factory has passed ISO9001 2008, REACH, FAMIQS Certificate.
Q5. What's your Delivery Time?
A: In generally, the delivery time is 5 days-15 days after receiving payment. For large quantity it will be checked with production dept. We will make the delivery as soon as possible with the guaranted quality.
Q6. What is payment terms?
A: L/C, T/T, Western Union, and Alibaba Trade Assurance are all accepted, and if you have better idea, please feel free to share with us.
Q7. Which documents can you supply?
A: We usually provide our customers with Commercial Invoice, Price List, Packing List, COA, Origin Certificate, Quality/Quantity Certificate, Beneficary's Certificate, MSDS, B/L and others as your request.
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