Paper Dye Direct Red 4BS Direct Red 23

Min.Order: 100

Product origin: Hangzhou, Zhejiang, China

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US$ 2.65 ~ 5.29

Description

Product Name: Direct Red 23
C.I. No.: 29160
CAS No.: 3441-14-3
Molecular Formula: C35H25N7Na2O10S2
Molecular Weight: 813.73
Relative Name:
Direct Red 4BS; DirectScarlet; Direct Scarlet 4BS; Direct Scarlet Lightfast; Direct Scarlet SE;Enianil Fast Scarlet 4BS; Erie Fast Scarlet SCB; Fast Red 4BS; Fast Scarlet4BSA; Fenamin Fast Scarlet 4BS; Hispamin Fast Scarlet 4BS; Kayafect Red G;Kayaku Direct Fast Scarlet 4BS; Levacell Scarlet 4BS; Libia Scarlet 4BS; MitsuiDirect Fast Scarlet 4BS; Nippon Fast Scarlet 4BS; Nyanza Fast Scarlet 4BSA;Orbamin Scarlet 4BS; Paper Scarlet 4BS;
Shade: red. Purple powder.

Direct Red 23 Physical Properties and light fastness, solubility.

Direct Red 23
Dyeing depth %	2
Insolubles %	0.15
Light Fastness	2-3
Washing Fatness	3
Rubbing fastness(dry)	3
Rubbing fastness(wet)	2

Direct Red 23 Properties and Applications:
Soluble in water for colourful red, solubility of 30 g/L (80 ° C), soluble in ethanol for orange, insoluble in acetone. The strong sulfuric acid was great red to product red, diluted light orange for palm. The dye solution to generate strong hydrochloric acid wine red precipitate; Add 10% sulfuric acid into a light blue; Add thick sodium hydroxide solution for red orange; Add 10% sodium carbonate (no change solution. Cellulose fiber of dyeing, dye devoured rate is very good, in the 80 ~ 100 ºC, affinity is the largest. Resistant to acid is very good. Copper ions in dyeing color shade darker; Iron ion in the same light.
Mainly used in viscose etc of cellulose fiber dyeing, also can be used for silk, wool, paper and pulp dyeing, also can be used in the manufacture color which have pigment.
Package, 25KG/DRUM, CARTON BOX, BAG

Note: The data contained here are based on our current knowledge and experience. It is the responsibility of user to test our products before the final application.

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