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AS-phenol-VL
Molecular formula : C19H17NO3
MW : 307.32
CAS : No

nature : the goods of brown powder. 217-219 ° C melting point. Do not dissolve in water and sodium carbonate solution.

Preparation Methods : 2,3-acid and right ethoxy aniline as the main raw material. 2,3 - Dichlorobenzene in acid with sodium carbonate salt, dehydration, the role of phosphorus trichloride, with the B-aniline condensation chlorine, sodium carbonate and in use, steamed chlorobenzene, and then filtration, drying derived. Product requirements lye insoluble impurities content of �1.0%, dry goods early melting point of 217 ° C � Raw material consumption (kg / t) of 2,3-acid 710 pairs ethoxy aniline 510 phosphorus trichloride 270 chlorobenzene 580 sodium carbonate 170

purposes : mainly used for cotton fabric dyeing and printing of bottoming agent.


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Structure:
Please see below "More Detailed Data"
More Detailed Data:
1) Naphthol AS-VL;C.I.Azoic Coupling Component 30;3-hydroxy-2-naphtho-p-phenetidide
2) Naphthol AS-VL
3) Naphthol AS-VL;C.I. Azoic-Coupling Component 30;3-hydroxy-2-naphtho-p-phenetidide
4) Naphthol AS;C.I.37505
5) Naphthol AS
6) Naphthoide AS
7) azoic coupling component;Naphthol
8) naphthol
9) Naphthol AS
10) 3-Hydroxy-N-phenyl-2-naphthalenecarboxamide;3-Hydroxy-2-naphthanilide;Azoic Coupling Component 4;C.I. 37505;C.I. 37560;Naphthol AS
Notice Some description was translated by software and the data is only as a reference.
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