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 50

Name:C.I.Direct Red 50,C.I.31525

Molecular Structure: trisazo class

C.I.Direct Red 50,C.I.31525,CAS 13194-98-4,622.54,C28H19N6NaO8S,Fast Bordeaux,Direct Scarlet 2H

C.I.Direct Red 50,C.I.31525,CAS 13194-98-4,622.54,C28H19N6NaO8S,Fast Bordeaux,Direct Scarlet 2H

Molecular Formula:C28H19N6NaO8S

Molecular Weight: 622.54

CAS Registry Number:13194-98-4

Manufacturing Methods : 3′-Aminooxanilic acid diazo, in alkaline conditions and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling, and then hydrolysis, the grass, then double nitriding, and Resorcinol (2 Moore) coupled.

Properties and Applications: red. Soluble in water for red orange brown, soluble in ethanol. The strong sulfuric acid for violet black, to orange diluted. The dye solution to join strong hydrochloric acid for red orange brown; Add thick sodium hydroxide solution for purplish red color.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 2 4 2 2 2

List of Suppliers:
Diamine Fast Bordeaux ( Carbotex Consultants )

Direct Scarlet 2H (Classic Dyestuffs Inc)


One Response to “Direct Red 50”

  1. […] C.I.Direct Red 50 […]

Leave a Reply