| Identification | Back Directory | [Name]
ACID RED 4 | [CAS]
5858-39-9 | [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
C.I.Acid Red 4:C.I.14710
Azoeosin C.I. No. 14710 (Technical Grade)
sodium 4-hydroxy-3-(2-methoxyphenylazo)naphthalenesulphonate
3-(2-Methoxyphenylazo)-4-hydroxynaphthalene-1-sulfonic acid sodium salt
4-hydroxy-3-[(2-methoxyphenyl)azo]-1-naphthalenesulfonicacimonosodiumsal
4-Hydroxy-3-[(2-methoxyphenyl)azo]-1-naphthalenesulfonic acid sodium salt
1-Naphthalenesulfonicacid,4-hydroxy-3-[(2-methoxyphenyl)azo]-,monosodiumsalt | [EINECS(EC#)]
227-490-0 | [Molecular Formula]
C17H13N2NaO5S | [MDL Number]
MFCD00003939 | [MOL File]
5858-39-9.mol | [Molecular Weight]
380.35 |
| Hazard Information | Back Directory | [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
|
|
|
|
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