ChemicalBook > CAS DataBase List > Direct Red 23
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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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 | ||
| 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
- Tel
- 1-516-6625404
- Fax
- 1-516-927-0118
- support@alfa-chemistry.com
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- United States
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- United States
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- contact@aceto.com
- Country
- United States
- ProdList
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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
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