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AS-phenol-SW
Molecular formula : C21H15NO2
MW : 313.34
CAS No. 135-612-64-8

nature : the goods were yellow rice powder, 243-244 ° C melting point. Soluble chlorobenzene, do not dissolve in water and sodium carbonate solution, sodium hydroxide solution was yellow.

Preparation : First 2,3-acid and sodium hydroxide and chlorobenzene as salt, with Tobias acid, phosphorus trichloride condensation, and then use hydrolysis of sodium dihydrogen phosphate, and that in post-processing products. Raw material consumption (kg / t) of 2,3-acid (100%) 750 Tobias acid (100%) 900 3 phosphorus trichloride (100%) 230 soda ash (98%) 388 chlorobenzene (98%) 410

purposes : mainly for cotton Dyeing and printing of bottoming agent. Color and can replace the use of acid AS.


Notice:Each item can have many explanations from different angels. If you want grasp the item comprehensively,please see below "more details data".
Structure:
More Detailed Data:
1) Naphthol AS-SW;C.I.Azoic Coupling Component 7
2) Naphthol AS-SW;C.I.Azoic Coupling Component 7;3-hydroxy-N-(2-naphthyl)-2-naphthamide
3) C.I. Azoic coupling component 7;3-hydroxy-n-2-naphthalenyl-2-naphthalenecarboxamid 3-hydroxy-n-2-naphthyl-2-naphthamide
4) Naphthol AS-SW
5) Naphthol AS;C.I.37505
6) Naphthol AS
7) azoic coupling component;Naphthol
8) Naphthoide AS
9) naphthol
10) Naphthol AS
Notice Some description was translated by software and the data is only as a reference.
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