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Disodium ethylenediaminetetraacetate
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Among the salts of ethylenediaminetetraacetic acid, the disodium salt is the most important. It is an important complexing agent. Used in electroless copper plating, gold plating, lead-tin alloy plating, electrochemical polishing of steel parts and the solution before silver plating of copper parts, it can also be replaced by EDTA-Na. It is also used in detergents, liquid soaps, shampoos, agricultural chemical sprays, color photosensitive materials processing bleaching fixers, water purifiers, PH regulators, anticoagulants, etc. In the reduction initiation system used in the polymerization of styrene-butadiene rubber, disodium EDTA is used as a component of the active agent, mainly used to complex ferrous ions to control the polymerization reaction speed.
Basic Information
Chinese name: Disodium ethylenediaminetetraacetic acid
Foreign name: Ethylenediaminetetraacetic acid disodium salt
Chinese alias: disodium edetate; disodium edetate
CAS number: 139-33-3
Molecular formula: C10H14N2Na2O8
Molecular weight: 336.2
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