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Tianjin Jufaxiang Dye Technology Co., Ltd
Tianjin Jufaxiang Dye Technology Co., Ltd
13 YRS
Tianjin, China
Main Products:
Auramine O / Direct Black 112 / Direct Brown 1 / Direct Black 154 / Direct Black 38 / Direct Red 13 / Direct Yellow 12 / Direct Red 23 / Direct Orange 39 / Remastral Blue FFRL / Acid Red 18 / Naphthol Blue Black / Methylene Blue
Tianjin, China
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Direct Scarlet 4BS / CAS 3441-14-3
OVERVIEW
Packaging
25 KG/Fibre Drum
Lead Time
14-30 days
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DESCRIPTION
Direct Scarlet 4BS
Dyeing depth | Dye name | International Index | Light fastness | Fastness to water | Soaping fastness | Fastness to perspiration | Rubbing fastness | Ironing | ||
acid | alkali | dry | wet | |||||||
3 | Direct Scarlet 4BS | R-23 | 2-3 | 4-5 | 4-5 | 4-5 | 3 | 4 | 4-5 | 4-5 |
Typical Properties
Summary
It is mainly used for dyeing and printing of cotton, viscose, hemp and other fiber fabrics, dyeing of silk and wool, dyeing of paper and leather, and manufacturing lake pigments. In addition to dyeing bright red and bright red (yellow light light light red) separately, it is also used for color matching with yellow, orange, red, brown and other dyes. After dyeing, finish with urea formaldehyde resin or treat with color fixing agent y, and the color light base benzene remains unchanged. If treated with color fixing agent M, the color light will obviously turn blue.
CAS No.
3441-14-3
Formula
C35H25N7Na2O10S2
Molecular Mass
813.72300
Exact Mass
813.09000
PSA
291.29000
Logp
10.02620
IUPAC
disodium;7-[[6-[(4-acetamidophenyl)diazenyl]-5-hydroxy-7-sulfonatonaphthalen-2-yl]carbamoylamino]-4-hydroxy-3-phenyldiazenylnaphthalene-2-sulfonate
SMILES
CC(=O)NC1=CC=C(C=C1)N=NC2=C(C=C3C=C(C=CC3=C2O)NC(=O)NC4=CC5=CC(=C(C(=C5C=C4)O)N=NC6=CC=CC=C6)S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+]
Attribute classification
Matter Classification
organic
Category
Dyestuffs and Pigments > Direct Dyes
Chemical and Physical Properties
Appearance
Purplish red powder
Export information
HS Code
32041400
Export Rebate
0%
Export Formalities
A,B
R,S
UN No.
0.0
DG-Class
0.0
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