Home  Products Search  Properties Search  中文版
Home > Dictionary > Information
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.


Notice:Each item can have many explanations from different angels. If you want grasp the item comprehensively,please see below "more details data".
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.
Patent:
1) Tuning screw assembly
2) Pivot bearing insert and bearing constructed with same
3) Sliding sleeve
4) Brake with lining wear indicator
5) Novel thermoplastic or thermoset pipes including conductive textile reinformcements for heating and leak detection purposes
6) Improvements relating to hose
7) Connection device
8) Screw on connector
9) Telescopic stand for optical or photographic apparatus and the like
10) Saturated steam generator, steam sterilizer, and steam sterilizing method