Solvent Yellow 20

Solvent Yellow 20 CAS NO.:6408-41-9

1. Item name:

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

2. Specifications:

CAS No.:6408-41-9

Synonyms:2-Hydroxy-5-[2-(2-methoxyphenyl)diazenyl]benzoic acid; benzoic acid, 2-hydroxy-5-[(2-methoxyphenyl)azo]-; Benzoic acid, 2-hydroxy-5-[2-(2-methoxyphenyl)diazenyl]-; Benzoicacid, 2-hydroxy-5-[(2-methoxyphenyl)azo]- (9CI); c.i. 14070;

MF:C14H12N2O4

MW:272.26

EINECS:613-450-3

Structural formula:

3. Properties:

Boiling Point:519.8±50.0 °C(Predicted)

Density:1.30±0.1 g/cm3(Predicted)

refractive index:1.6081 (estimate)

LogP:2.73±0.10(Predicted)

Flash point: 225.5°C

Pka:2.73±0.10(Predicted)

Appearence: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 ℃.

4.Application:

Industrial and scientific purposes.Used for alcohol, esters solvent, grease, paraffin wax, alcohol soluble paint color.

5.Package:

25kgs/drum,or at customer’s request.

6.Storage:

Store in a cool, ventilated warehouse and the temperature should not exceed 37°C.