Warning: mysql_list_fields() [function.mysql-list-fields]: Unable to save MySQL query result in /home/wwwroot/worlddyevariety/wp-content/plugins/seo-booster-lite/seo-booster.php on line 237

Warning: mysql_num_fields(): supplied argument is not a valid MySQL result resource in /home/wwwroot/worlddyevariety/wp-content/plugins/seo-booster-lite/seo-booster.php on line 238

Warning: in_array() [function.in-array]: Wrong datatype for second argument in /home/wwwroot/worlddyevariety/wp-content/plugins/seo-booster-lite/seo-booster.php on line 240
必应染料-您身边的染料专家

Direct Red 90

Name:C.I.Direct Red 90,C.I.28170

Molecular Structure: Double azo class

C.I.Direct Red 90,C.I.28170,CAS 5873-24-5,689.63,C30H21N5Na2O8S2

C.I.Direct Red 90,C.I.28170,CAS 5873-24-5,689.63,C30H21N5Na2O8S2

Molecular Formula:C30H21N5Na2O8S2

Molecular Weight: 689.63

CAS Registry Number:5873-24-5

Manufacturing Methods : 4-Aminobenzenesulfonic acid diazo, and O-Methylaniline coupling, its product to diazo, and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling.

Properties and Applications:  blue-ray red. Soluble in water for red light purple. The strong sulfuric acid for blue, red after diluted precipitation. The dye solution to join strong hydrochloric acid have dark purple precipitation; Add sodium hydroxide have red light purple precipitation.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 3 4-5 4-5 3 3

List of Suppliers:

 


Leave a Reply