| Identification | Back Directory | [Name]
ACID ORANGE 51 | [CAS]
8003-88-1 | [Synonyms]
CI 26550
Acid Orang 51
ACID ORANGE 51
Einecs 232-328-7
Acid Red Brown 5K
C.I. Acid Orange 51
Acid Orange 51 (C.I.)
acidorange51(c.i.26550)
Baygenal Red Brown LNZR
Nylomine Acid Brown C-R
Telon Fast Copper Red RL
C.I.Acid Orange 51:C.I.26550
ACID ORANGE 51 ISO 9001：2015 REACH
2-naphthalenesulfonicacid,5(or8)-[[3-methyl-4-[[(4-methylphenyl)sulfonyl]oxy
disodium 5(or 8)-(3-methyl-4-(4-methylphenylsulphonyloxy)phenylazo)-8(or 5)-4-(4-nitro-2
disodium 5(or 8)-(3-methyl-4-(4-methylphenylsulphonyloxy)phenylazo)-8(or 5)-4-(4-nitro-2-sulphophenylamino)phenylazo)naphthalene-2-sulphonate
Disodium 5(or 8)-(3-methyl-4-(4-methylphenylsulphonyloxy)phenylazo)-8(or 5)-(4-(4-nitro-2-sulphophenylamino)phenylazo)naphthalene-2-sulphonate
2-Naphthalenesulfonic acid, 5(or 8)-3-methyl-4-(4-methylphenyl)sulfonyloxyphenylazo-8(or 5)-4-(4-nitro-2-sulfophenyl)aminophenylazo-, disodium salt
Benzenesulfonic acid, 5(or 8)-(2-(3-methyl-4-(((4-methylphenyl)sulfonyl)oxy)phenyl)diazenyl)-8(or 5)-(2-(4-((4-nitro-2-sulfophenyl)amino)phenyl)diazenyl)-, sodium salt (1:2) | [EINECS(EC#)]
232-328-7 | [Molecular Formula]
C36H26N6Na2O11S3 | [MDL Number]
MFCD00078888 | [MOL File]
8003-88-1.mol | [Molecular Weight]
860.8 |
| Hazard Information | Back Directory | [Uses]
Acid orange 51 is an azo dye. | [Preparation]
2-(4-Aminophenylamino)-5-nitrobenzenesulfonic acid diazotization and 5-Aminonaphthalene-2-sulfonic acid and 8-Aminonaphthalene-2-sulfonic acid coupling, and its product and diazotization, coupling with o-Cresol, 4-Methylbenzene-1-sulfonyl chloride?and then esterified | [Properties and Applications]
red light orange. Dark red light orange powder. Soluble in water, ethanol, glycol ether. The strong sulfuric acid dyes for deep blue light green, dilute precipitation after brown; In nitric acid solution for olive, then into amber color. Its water solution for brown, add after strong hydrochloric acid for blu-ray black, with precipitation; Add thick sodium hydroxide solution colour and lustre is unchanged. This product used for wool, silk, polyamide fiber dyeing, also used in wool blended fabric or viscose fabric printing directly. Can also be used in leather, soap color. Dyed hair and scattered over the tops of often used alone.
|
Standard
|
Light Fastness
|
Soaping
|
Persperation Fastness
|
Oxygen bleaching
|
Fastness to seawater
|
|
Fading
|
Stain
|
Fading
|
Stain
|
Fading
|
Stain
|
|
ISO
|
6
|
4-5
|
4-5
|
5
|
4
|
4-5
|
4-5
|
5
|
|
AATCC
|
4
|
3
|
3
|
4
|
4
|
4
|
4-5
|
4-5
|
| [References]
[1] Ghariani B, et al. Removal of Acid Orange 51 by micro zero-valent iron under different operational conditions and evaluation of toxicity[J]. Environmental Science and Pollution Research, 2019, 26: 18392-18402. |
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