EDTA-2Na Anhydrous CAS 139-33-3 EDTA Disodium Salt CAS NO.139-33-3

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Product information
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°C) water solution is 4.0-6.0.

Specification

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.

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