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必应染料-您身边的染料专家

Solvent Red 31

Name:C.I.Solvent Red 31,C.I.27306

Molecular Structure: Double azo class

C.I.Solvent Red 31,C.I.27306,CAS 6226-90-0,592.58,C22H16N4O10S3,Azosol Fast Scarlet CRA

C.I.Solvent Red 31,C.I.27306,CAS 6226-90-0,592.58,C22H16N4O10S3,Azosol Fast Scarlet CRA

Molecular Formula:C22H16N4O10S3

Molecular Weight: 592.58

CAS Registry Number:6226-90-0

Manufacturing Methods : 4-(Phenyldiazenyl)benzenamine diazotization and 7-Hydroxynaphthalene-1,3,6-trisulfonic acid coupling, and then translate into dicyclohexyl amine salt.

Properties and Applications:red. Dark red powder. Insoluble in water, slightly soluble in ethanol for magenta. In concentrated sulfuric acid to purple, dilution after pink. Dye aqueous solution to join concentrated hydrochloric acid to red; Add thick sodium hydroxide solution for brown. Used for plastic, grease, printing ink, paint color.

Standard Light Fastness Heat-resistant(℃) water Sodium Carbonate(5%) Hydrochloric acid(5%)
Melting point Stable
ISO Good 120(1hr) Well Poor Poor

List of Suppliers:

Azosol Fast Scarlet CRA(GAF Corporation)


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