一二三四区视频,亚洲少妇熟女色,日本久热无码视频网,欧美国产日韩大尺度,亚洲a视频,久久少妇一区二区,日韩999无码视频,刺激久久久久久久,啊啊啊啊不要啊在线

2-Hydroxy-5-[(2-methoxyphenyl)azo]benzoic acid

CAS No.
6408-41-9
Chemical Name:
2-Hydroxy-5-[(2-methoxyphenyl)azo]benzoic acid
Synonyms
C.I.14070;Solvent Yellow 20;C.I.Solvent Yellow 20;C.I.Solvent Yellow 20:C.I.14070;2-Hydroxy-5-[(2-methoxyphenyl)azo]benzoic acid;Benzoic acid, 2-hydroxy-5-[2-(2-methoxyphenyl)diazenyl]-;(3E)-3-[(2-methoxyphenyl)hydrazinylidene]-6-oxocyclohexa-1,4-diene-1-carboxylic acid
CBNumber:
CB12271306
Molecular Formula:
C14H12N2O4
Molecular Weight:
272.26
MDL Number:
MFCD19288403
MOL File:
6408-41-9.mol

2-Hydroxy-5-[(2-methoxyphenyl)azo]benzoic acid Properties

Boiling point 519.8±50.0 °C(Predicted)
Density 1.30±0.1 g/cm3(Predicted)
pka 2.73±0.10(Predicted)

2-Hydroxy-5-[(2-methoxyphenyl)azo]benzoic acid Chemical Properties,Uses,Production

Preparation

O-Anisidine diazotized, coupled with 2-Hydroxybenzoic acid.

Properties and Applications

brilliant yellow. Soluble in boiling water for yellow. In concentrated sulfuric acid for yellow brown, dilution after yellow red, then become yellow solution, and accompanied by yellow precipitation. Dye aqueous solution to join hydrochloric acid have yellow precipitation, solution into colloidal; With sodium hydroxide as titian solution and precipitation. Non-crystalline state product melting point 200 ℃. Used for alcohol, esters solvent, grease, paraffin wax, alcohol soluble paint color.

Standard Light Fastness Heat-resistant(℃) water Sodium Carbonate(5%) Hydrochloric acid(5%)
Melting point Stable
ISO Good 150 Well Well No change

2-Hydroxy-5-[(2-methoxyphenyl)azo]benzoic acid Preparation Products And Raw materials

Raw materials

Preparation Products

2-Hydroxy-5-[(2-methoxyphenyl)azo]benzoic acid C.I.14070 C.I.Solvent Yellow 20 (3E)-3-[(2-methoxyphenyl)hydrazinylidene]-6-oxocyclohexa-1,4-diene-1-carboxylic acid Benzoic acid, 2-hydroxy-5-[2-(2-methoxyphenyl)diazenyl]- C.I.Solvent Yellow 20:C.I.14070 Solvent Yellow 20 6408-41-9
磐石市| 达拉特旗| 阳高县| 全州县| 新乐市| 紫金县| 饶阳县| 土默特左旗| 资源县| 伽师县| 南靖县| 商丘市| 光泽县| 长葛市| 松滋市| 高邑县| 新营市| 灵宝市| 洪江市| 雅江县| 锦屏县| 栖霞市| 宁波市| 彭阳县| 清原| 武穴市| 通榆县| 康保县| 南溪县| 西华县| 兰州市| 禄丰县| 大安市| 西峡县| 斗六市| 林口县| 达州市| 康保县| 秦皇岛市| 清丰县| 阳春市|