ChemicalBook > CAS DataBase List > ACID RED 4

ACID RED 4

Product Name
ACID RED 4
CAS No.
5858-39-9
Chemical Name
ACID RED 4
Synonyms
Pink B;CI 14710;AZO EOSIN;ACID RED 4;Azo Eosine G;C.I. Acid Red 4;Acid Red 4 (C.I.);acidred4(c.i.14710);AZOEOSIN C.I. NO. 14710;Metamine Fast Acid Red N
CBNumber
CB5169843
Molecular Formula
C17H13N2NaO5S
Formula Weight
380.35
MOL File
5858-39-9.mol
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ACID RED 4 Property

Melting point:
>210°C(dec.)
storage temp. 
Amber Vial, Refrigerator, Under inert atmosphere
solubility 
Methanol (Slightly)
form 
Solid
color 
Red
EPA Substance Registry System
C.I. Acid Red 4, monosodium salt (5858-39-9)
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Safety

WGK Germany 
3
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Hazard and Precautionary Statements (GHS)

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
R324272
Product name
ACID RED 4 (FAST ACID RED E C.I. 14710)
Purity
Aldrich<sup>CPR</sup>
Packaging
1 unit
Price
$185
Updated
2025/07/31
Sigma-Aldrich
Product number
R324272
Product name
ACID RED 4 (FAST ACID RED E C.I. 14710)
Purity
AldrichCPR
Packaging
1G
Price
$179
Updated
2024/03/01
TRC
Product number
A965450
Product name
AzoeosinC.I.No.14710(TechnicalGrade)
Packaging
250mg
Price
$45
Updated
2021/12/16
Biosynth Carbosynth
Product number
FA40745
Product name
Acid Red 4, Technical gRade Dye content
Packaging
2g
Price
$79.1
Updated
2021/12/16
Biosynth Carbosynth
Product number
FA40745
Product name
Acid Red 4, Technical gRade Dye content
Packaging
5G
Price
$126.5
Updated
2021/12/16
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ACID RED 4 Chemical Properties,Usage,Production

Uses

Acid Red 4 is an azo dye. The wavelength of maximum absorbance for Acid Red 4 is 508 nm[1].

Definition

ChEBI: An organic sodium salt having 4-hydroxy-3-[(2-methoxyphenyl)diazenyl]naphthalene-1-sulfonate as the counterion.

Preparation

p-Anisidine diazo, coupled with the 4-Hydroxynaphthalene-1-sulfonic acid.

Properties and Applications

red. Soluble in water for red, soluble in acetone, slightly soluble in ethanol (orange) and toluene. The strong sulfuric acid to red light purple, diluted red for quality. In water solution to join strong hydrochloric acid have dark red precipitate; Add nitric acid have blue-ray red precipitation, first into a brown, then yellow; Add thick sodium hydroxide solution color change.

Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 5 2-3 2-3 2-3
AATCC 4 1 3 1 1

References

[1] M F Coughlin, et al. Degradation of azo dyes containing aminonaphthol by Sphingomonas sp strain 1CX. J Ind Microbiol Biotechnol. 1999 Oct;23(4-5):341-346. DOI:10.1038/sj.jim.2900746

ACID RED 4 Preparation Products And Raw materials

Raw materials

Preparation Products

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ACID RED 4 Suppliers

China 28 Germany 1 India 3 Switzerland 1 United Kingdom 2 United States 11 Global 46
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5858-39-9, ACID RED 4Related Search:

4-HYDROXYBENZENESULFONIC ACID SODIUM SALT HYDRATE 1-NAPHTHOL-4-SULFONIC ACID SODIUM SALT Direct Blue 151 Azobenzene Naphthalene-1-sulfonic acid hydrate, 98% 4-Hydroxybenzenesulfonic acid PHENOLSULFONIC ACID ACID RED 4 1-NAPHTHALENETHIOL 2-Naphthylamine o-Anisidine BENZOAZURINE 1-Naphthol 1-Naphthalenesulfonic acid 4-HYDROXYBENZENESULFONIC ACID SODIUM SALT DIHYDRATE 4-Mercaptophenol 1-Naphthol-4-sulfonic acid 2,2'-DIHYDROXYAZOBENZENE

  • 1-Naphthalenesulfonicacid,4-hydroxy-3-[(2-methoxyphenyl)azo]-,monosodiumsalt
  • 4-hydroxy-3-[(2-methoxyphenyl)azo]-1-naphthalenesulfonicacimonosodiumsal
  • acidred4(c.i.14710)
  • ACID RED 4
  • CI 14710
  • AZO EOSIN
  • Acid Red 4 (C.I.)
  • C.I. Acid Red 4
  • sodium 4-hydroxy-3-(2-methoxyphenylazo)naphthalenesulphonate
  • 3-(2-Methoxyphenylazo)-4-hydroxynaphthalene-1-sulfonic acid sodium salt
  • 4-Hydroxy-3-[(2-methoxyphenyl)azo]-1-naphthalenesulfonic acid sodium salt
  • Azo Eosine G
  • AZOEOSIN C.I. NO. 14710
  • Metamine Fast Acid Red N
  • Pink B
  • Azoeosin C.I. No. 14710 (Technical Grade)
  • C.I.Acid Red 4:C.I.14710
  • ACID RED 4 (FAST ACID RED E C.I. 14710)
  • 5858-39-9
  • 5858-39-3
  • C17H13N2O5SNa
  • C17H13N2NaO5S
  • C17H14N2O5SNa
  • Organics