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EDTA-2Na

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  Post Date: Nov 24,2018
  Expiry Date: May 23,2019
  Detailed Description: Cas No. :139-33-3 Quantity: 5000Metric Tons
Specs:99%
Payment Method: L/C at sight or TT in advance
Product： EDTA-2Na （EDTA Na2,EDTA Disodium Salt）
Molecular Formula：C10H14N2Na2O8·2H2O
CAS NO.: 6381-92-6 (Dihydrate) ; 139-33-3 (Anhydrous)
Molecular Weight：M=372.2
Constitutional Formula：


Feature：EDTA-2Na is a white powder with two crystal waters, easy to lose crystal water when dried and easy to soluble in water, but hard to soluble in organic solvents like alcohol or ethyl ether. The PH value of 5% (25℃) water solution is 4.0-6.0.

Quality Specification：

　　　Appearance 　　White Crystal Powder
　　　Assay (EDTA-2Na.2H2O)≥% 　　99.0
　　　Reaction of Water Solution 　　Pass
　　　Complexation Test 　　Pass
　　　Clarification Test 　　Pass
　　　Cl%≤ 　　0.01
　　　SO42- %≤ 　　0.1
　　　Fe%≤ 　　0.005
　　　Heavy Metal (Pb)%≤ 　　0.005

Main Application： EDTA-2Na is used in detergent, liquid soap, shampoo, agricultural chemicals, fixer solution for development of colour film, water cleaner, PH modifier. When stating the redox reaction for the polymerization of butyl benzene rubber, it is used as part of activator for the complexation of metal ion and control of polymerization speed.

Packing：PP bag, 25kg/bag. 20MT / 20’ FCL, 18 MT / 20’ FCL if palletized, or packed as client's request.

Storage: Be stored on shelf or pallet in dry,cool and ventilated warehouse. Avoid breakage of the bags, humidity and contamination.

  CAS Registry Number:

139-33-3
  Synonyms: ;Ethylenediaminetetraacetic acid disodium salt;disodium dihydrogen ethylenediaminetetraacetate;Disodium Edetate;Edta di sodium salt;disodium 2,2'-{ethane-1,2-diylbis[(carboxymethyl)imino]}diacetate (non-preferred name);disodium 2-[2-(bis(carboxymethyl)amino)ethyl-(carboxymethyl)amino]acetic acid;Disodium EDTA;EDTA-2Na;
  Molecular Formula: C10H16N2Na2O8
  Molecular Weight: 338.2211
  Molecular Structure: 139-33-3 Ethylenediaminetetraacetic acid disodium salt
  Hazard Symbols:  Xn:Harmful;
  Risk Codes: R22:;
R36/37/38:;
  Safety Description: S26:;
S37/39:;

  Company: Hefei TNJ Chemical Industry Co.,Ltd.     [ China ]        
  Contact: Sophia
  Tel: 0551-66191795
  Fax: 0551-65418697
  Email: info@tnjchem.com
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