Direct Red 23

ChemicalBook > CAS DataBase List > Direct Red 23

Product Name: Direct Red 23
CAS No.: 3441-14-3
Chemical Name: Direct Red 23
Synonyms: DIRECT FAST SCARLET 4BS;redemb;redembl;CI 29160;disodiumsa;fastred4bs;scarlet4bs;disodiumsal;Directred4BS;polycorredse
CBNumber: CB3333402
Molecular Formula: C35H28N7NaO10S2
Formula Weight: 793.76
MOL File: 3441-14-3.mol

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Direct Red 23 Property

storage temp.: room temp
Colour Index: 29160
form: powder
λmax: 507 nm
ε(extinction coefficient): ≥15000 at 500-516nm in water at 0.04g/L
CAS DataBase Reference: 3441-14-3(CAS DataBase Reference)
EPA Substance Registry System: C.I. Direct Red 23, disodium salt (3441-14-3)

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Safety

WGK Germany: 2
RTECS: QK1237500

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Hazard and Precautionary Statements (GHS)

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 212490
Product name: Direct Red 23
Purity: Dye content 30%
Packaging: 50g
Price: $82.6
Updated: 2024/03/01

American Custom Chemicals Corporation

Product number: DYE0000789
Product name: DIRECT RED 23
Purity: 95.00%
Packaging: 5MG
Price: $499.52
Updated: 2021/12/16

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Direct Red 23 Chemical Properties,Usage,Production

Uses

Direct Red 23 has been used to stain water-hydrated seeds.

Preparation

aniline and N-(4-aminophenyl)acetamide diazo respectively, and N,N’-bis(4-hydroxy-2-sulfonaphthalene-7-yl)urea coupling.

Hazard

Low toxicity by ingestion.

Properties and Applications

red. Purple powder. 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 ℃, 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.

Standard	Acid Resistance	Alkali Resistance	Light Fastness	Soaping		Water
Standard	Acid Resistance	Alkali Resistance	Light Fastness	Fading	Stain	Fading	Stain
ISO	5	5	2-3	2		2
AATCC	5	5	2-3	4		2

Direct Red 23 Preparation Products And Raw materials

Raw materials

6,6'-Ureylene-bis(1-naphthol-3-sulfonic acid) 5,5'-Dihydroxy-2,2'-dinaphthylamine-7,7'-disulphonic acid Sodium chloride Water Sodium nitrite 4'-Aminoacetanilide 4-Aminoacetophenone

Preparation Products

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Direct Red 23 Suppliers

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View Lastest Price from Direct Red 23 manufacturers

Guangzhou Sunton Biotechnology Co., Ltd.

Product: Pigment and Dyestuff Chemical industry dye product 3441-14-3
Price: US $48.00-40.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 200tons
Release date: 2021-03-26

Winchem industrial co limited

Product: Direct Red 23 3441-14-3
Price: US $0.00/kg
Min. Order: 25kg
Purity: 1
Supply Ability: 20mt
Release date: 2022-12-29

TIANJIN XIANGRUI DYESTUFF CO.,LTD

Product: Direct Scarlet 4BS, Direct Red 23 3441-14-3
Price: US $4.00/kg
Min. Order: 25kg
Purity: 99%
Supply Ability: 20 tons
Release date: 2022-10-25

3441-14-3, Direct Red 23Related Search:

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BENZO FAST SCARLET

CI 29160

DIRECT FAST SCARLET 4BS

DIRECT RED 23

Disodium 3-[(4-acetamidophenyl)azo]-4-hydroxy-7-[[[[5-hydroxy-6-(phenylazo)-7-sulphonato-2-naphthyl]amino]carbonyl]amino]naphthalene-2-sulphonate

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