China EDTA-2na CAS 139-33-3, Find details about China EDTA-2na, CAS 139-33-3 from EDTA-2na CAS 139-33-3
Among the salts of ethylenediaminetetraacetic acid, the disodium salt is the most important. It is an important complexing agent. It can also be used in electroless copper plating, gold plating, lead-tin alloy plating, electrochemical polishing of steel parts and solutions before silver plating of copper. It can also be replaced by EDTA-Na. Also used in detergents, liquid soaps, shampoos, agrochemical sprays, color sensitive materials, bleaching fixers, water purifiers, pH adjusters, anticoagulants, etc. In the reduction initiation system for the polymerization of styrene-butadiene rubber, disodium EDTA is used as a component of the active agent, and is mainly used for complexing ferrous ions to control the polymerization rate. |
Item | Standard |
Appearance | White crystalline powder |
Assay (C10H14N2Na2O8.2H2O) (%) | 99.0 ~ 101.0 |
Chloride (Cl) (%) | ≤ 0.01 |
Sulphate (SO4) (%) | ≤ 0.1 |
pH | 4.0- 5.0 |
Nitrilotriacetic acid (%) | ≤ 0.1 |
Calcium (Ca) (mg/kg) | Negative |
Ferrum (Fe) (mg/kg) | ≤ 10 |
Lead (Pb) (mg/kg) | ≤ 5 |
Arsenic (As) (mg/kg) | ≤ 3 |
Melting point ( ºC) | 248 °C (dec.)(lit.) |
Mercury (Hg) (mg/kg) | ≤ 1 |
Heavy metals (as Pb) (mg/kg) | ≤ 10 |
Storage | in the shade |
Packing | 25kg/bag |
Usage of Ethylenediaminetetraacetic Acid Disodium Salt
Disodium EDTA is a chemical that is used as a food preservative that is commonly found in salad dressings, sauces, spreads, canned goods, and beverages. (Food production licence approved for food-grade quality.)
It is also present as a preservative in soaps, shampoos, and cosmetics. (Industrial grade quality.)
It is both odourless and colourless and works to preserve foods and creams by binding with various minerals and metals.
Disodium EDTA and Calcium Disodium EDTA are often confused for each other, but they are very different chemicals despite the fact that both are commonly referred to as simply EDTA. It is extremely important not to get the two mixed up.
In recent ten years,We are constantly pursuing good service of supplying high quality of the product and competitive price.Our customers come from USA,India,Pakistan,Malaysia and some African countries.We have accumulated much import and export experience.
With our continuous efforts,we can provide the following series of certificates.If you have other needs, please let us know.
In 25kg/50Kg PP bag
20 MT in 20'FCL
Tianjin Hwashin Biotechnology Co., Ltd is located in the Tianjin Jinbin industrial park, which is 30km to Beijing Daxing International Airport, 70km to Tianjin Binhai International Airport, and 100km to the Xingang port.
Since 2004, We have devoted ourselves to the research & development, production and sales of food additives, feed additives products. Currently, we have 4 business departments: Food Additives department, Feed additives department, Cosmetics materials department, Industrial and Daily Chemicals department. We have 4 productions bases in Tianjin, Hebei provice, Shandong provice and Jiangsu provice. Besides, we worked with the leading Chinese biotechnical and chemical producers, we offer more than 200 products to over 10 countries in the world.
Hwashin team have excellent knowledge of biotechnology, chemicals and international business. Relied on a strict quality control system, through years of continuous technical innovation, the company could provide customers with first-class products and services.
1.To supply high-quality products with reasonable prices in food additive industry.
2.Research on the Market Knowledge & trend follow up and inform customers of price trends in the market timely.Timely Deliver & Stock Promotion on hot demanding products.
3.To follow orders and arrange shipping in time, providing complete documents for Customs clearance according to different export policies in different countries.
4.Reliable & Strictly follow the contract responsibility & after sales service
5.Professional on International Logistic Service, Legalization documents & Third Party Inspection process.
Our Aim is that the goods reach the customers quickly and safely.
With the spread of the epidemic abroad,the shipping market has been greatly affected.
Nomally, most suppliers can't rent a boat and book a space.
However,it not difficult for us to solve the problem.
We have joined the local freight forwarding alliance.
It help us to get the accurate shipping information and solve the shipping problem.
And then we can help customers to make accurate decisions.
1. What are your payment terms?
Usually L/C,D/P,T/T, western union, moneygram or paypal.
2.How can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3. What's your delivery time?
lt depends on order quantity, usually we will arrange shipment within 3-20 days.
4.When can I get reply?
our sales manager will contact you within 12 hours.
5. How about the validity of products?
According to the products you order, usually 2 years.
6. What documents do you provide?
Usually, we provide Commercial nvoice, Packing List, Bill of Loading and OriginCertificate,etc.
lf there are any special requirements in your market, please let us know.
7. Can l get sample before order?
Yes, we can provide free sample once price is agreed, and you have to pay us the delivery fee in advance.If place following order after geting free sample, we will refund the shipping cost of free sample.
8.How to start orders or make payments?
A: You can send us your Purchase order, or just send a simple confirmation by email or by Trade Manager, after communication then we will send you Proforma Invoice with our bank details for final confirmation, then you can make payment accordingly.
1. Using seawater and underground brine as raw materials, ordinary magnesium chloride can be obtained through evaporation and concentration.
2. Using brine as raw material, white flake magnesium chloride can be obtained through the process steps of alkali neutralization, calcium desulfurization, slag removal, bleaching, vacuum evaporation and film making.
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