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Place of Origin
HS-CODE
29-
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Detailed Description
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 salt 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 shelves in dry and ventilated warehouse. Avoid breakage of the bags, humidity and contamination.
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