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disodium 5-(acetylamino)-4-hydroxy-3-[(o-tolyl)azo]naphthalene-2,7-disulphonate

Product Name
disodium 5-(acetylamino)-4-hydroxy-3-[(o-tolyl)azo]naphthalene-2,7-disulphonate
CAS No.
6441-93-6
Chemical Name
disodium 5-(acetylamino)-4-hydroxy-3-[(o-tolyl)azo]naphthalene-2,7-disulphonate
Synonyms
Acid Red 35;Acid pink 3B;C.I. Acid red 35;Acid Fast Red W-3B;Diacid Supra Red 3B;C.1.Acid Red 35(18065);ACID RED35 (C.I. 18065);C.I.Acid Red 35:C.I.18065;disodium 5-(acetylamino)-4-hydroxy-3-[(o-tolyl)azo]naphthalene-2,7-disulphonate;2-(2-Methylphenylazo)-8-acetylamino-1-hydroxynaphthalene-3,6-di(sulfonic acid sodium) salt
CBNumber
CB6922144
Molecular Formula
C19H15N3Na2O8S2
Formula Weight
523.44724
MOL File
6441-93-6.mol
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disodium 5-(acetylamino)-4-hydroxy-3-[(o-tolyl)azo]naphthalene-2,7-disulphonate Property

Melting point:
N/A (too dark)
solubility 
Aqeous Base (Slightly), DMSO (Slightly), Methanol (Slightly)
form 
Solid
color 
Very Dark Red
EPA Substance Registry System
2,7-Naphthalenedisulfonic acid, 5-(acetylamino)-4-hydroxy-3-[(2-methylphenyl)azo]-, disodium salt (6441-93-6)
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Hazard and Precautionary Statements (GHS)

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
S469602
Product name
ACID RED 35 (C.I. 18065)
Purity
AldrichCPR
Packaging
250MG
Price
$110
Updated
2024/03/01
TRC
Product number
A795288
Product name
AcidRed35
Packaging
25mg
Price
$160
Updated
2021/12/16
TRC
Product number
A795288
Product name
AcidRed35
Packaging
5mg
Price
$55
Updated
2021/12/16
AK Scientific
Product number
T155
Product name
AcidRed35,tech
Packaging
250mg
Price
$196
Updated
2021/12/16
Biosynth Carbosynth
Product number
FA41275
Product name
C.I.Acid Red 35
Packaging
100mg
Price
$200
Updated
2021/12/16
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disodium 5-(acetylamino)-4-hydroxy-3-[(o-tolyl)azo]naphthalene-2,7-disulphonate Chemical Properties,Usage,Production

Uses

Acid Red 35 is an organic azo dye used in edible food packaging, hair dye, and inkjet inks.

Preparation

O-Methylaniline diazo, and 4-Aminonaphthalene-1-sulfonic acid coupling.

Properties and Applications

colourful red blue light. Dark red powder. Soluble in water, soluble in ethanol in a certain extent a product red, slightly soluble in acetone. A product of sulfuric acid in red, pink is diluted. Its water solution and strong hydrochloric acid, a product red, add sodium hydroxide solution is orange brown. In dyeing copper and iron ion colour and lustre is a little blue. Mainly used for wool fabric dyeing and printing, with chromium after mordant dyeing color unchanged. But in the silk, wool products direct printing, and can also be used for the paper, leather color, also used in the manufacture of sediment and ink color.

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

disodium 5-(acetylamino)-4-hydroxy-3-[(o-tolyl)azo]naphthalene-2,7-disulphonate Preparation Products And Raw materials

Raw materials

Preparation Products

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disodium 5-(acetylamino)-4-hydroxy-3-[(o-tolyl)azo]naphthalene-2,7-disulphonate Suppliers

China 22 Germany 1 India 3 United Kingdom 1 United States 4 Global 31
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6441-93-6, disodium 5-(acetylamino)-4-hydroxy-3-[(o-tolyl)azo]naphthalene-2,7-disulphonateRelated Search:

Cupric acetylacetonate 1,1,3,3-TETRAMETHYLBUTYL ISOCYANIDE 2,4-PENTANEDIONE, SILVER DERIVATIVE DICHLORO(ETHYLENEDIAMINE)PLATINUM(II) PHENYLSELENOL METHYL ISOCYANOACETATE TRIS(2,2,6,6-TETRAMETHYL-3,5-HEPTANEDIONATO)EUROPIUM(III) TRIS(2,2,6,6-TETRAMETHYL-3,5-HEPTANEDIONATO)DYSPROSIUM(III) SALCOMINE Tosylmethyl isocyanide Ferric acetylacetonate Ethyl isocyanoacetate COBALT(II) ACETYLACETONATE Tris(2,4-pentanedionato)chroMiuM(III) N-BUTYLISOCYANIDE TERT-BUTYL ISOCYANIDE Benzyl isocyanide Aluminum acetylacetonate

  • disodium 5-(acetylamino)-4-hydroxy-3-[(o-tolyl)azo]naphthalene-2,7-disulphonate
  • 7-naphthalenedisulfonic acid,5-(acetylamino)-4-hydroxy-3-[(2-methylphenyl)azo]-disodium salt
  • Acid pink 3B
  • C.1.Acid Red 35(18065)
  • C.I. Acid red 35
  • Diacid Supra Red 3B
  • 2,7-Naphthalenedisulfonic acid, 5-(acetylamino)-4-hydroxy- 3-[(2-methylphenyl)azo]-, disodium salt
  • 2-(2-Methylphenylazo)-8-acetylamino-1-hydroxynaphthalene-3,6-di(sulfonic acid sodium) salt
  • 5-(Acetylamino)-4-hydroxy-3-[(2-methylphenyl)azo]-2,7-naphthalenedisulfonic acid disodium salt
  • Acid Fast Red W-3B
  • ACID RED35 (C.I. 18065)
  • Acid Red 35
  • disodium,(3E)-5-acetamido-3-[(2-methylphenyl)hydrazinylidene]-4-oxonaphthalene-2,7-disulfonate
  • C.I.Acid Red 35:C.I.18065
  • 6441-93-6
  • C19H15N3Na2O8S2
  • C19H15N3O8S22Na
  • Organics