Sodium p-chlorophenoxyacetate
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Sodium p-chlorophenoxyacetate
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CAS No:
13730-98-8
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Formula:
C8H7ClO3.Na
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Chemical Name:
Sodium p-chlorophenoxyacetate
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Synonyms:
Acetic acid,2-(4-chlorophenoxy)-,sodium salt (1:1);Acetic acid,(p-chlorophenoxy)-,sodium salt;Acetic acid,(4-chlorophenoxy)-,sodium salt;Parafen;Sodium p-chlorophenoxyacetate;p-Chlorophenoxyacetic acid sodium salt;Sodium 4-chlorophenoxyacetate;4-CPA sodium salt
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CAS No:
Sodium p-chlorophenoxyacetate Use and Manufacturing
Using p-chlorophenol and chloroacetic acid as raw materials, the finished product is obtained by condensation and refining under alkaline conditions. Using phenol as a raw material, place phenol in a reactor, heat to melt, add 15% sodium hydroxide, and then add a mixed aqueous solution of chloroacetic acid and sodium carbonate, and heat to reflux for 4 hours. After the reactant is cooled, it is neutralized with hydrochloric acid and acidified to a pH value of 2 to 3 to generate phenoxyacetic acid with a yield of over 82%. Phenoxyacetic acid is dissolved in glacial acetic acid. Under the catalysis of iodine, chlorine gas is slowly introduced at 26～34℃. The reactant is left overnight, p-chlorophenoxyacetic acid is precipitated in cold water, filtered, washed with water to neutral and then dried, p-chlorophenoxyacetic acid is neutralized with sodium carbonate to obtain sodium salt.
As a plant growth promoter, my country stipulates that it is only used for bean sprouts, and the residual amount shall not exceed 1.0mg/kg. Used as plant growth regulator
Computed Properties
Molecular Weight:208.57
Hydrogen Bond Acceptor Count:3
Rotatable Bond Count:3
Exact Mass:207.9903160
Monoisotopic Mass:207.9903160
Topological Polar Surface Area:49.4
Heavy Atom Count:13
Complexity:158
Covalently-Bonded Unit Count:2
Compound Is Canonicalized:Yes
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