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

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disodium 5-(acetylamino)-4-hydroxy-3-[(o-tolyl)azo]naphthalene-2,7-disulphonate Suppliers list
Company Name: Hubei Jusheng Technology Co.,Ltd.
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Products Intro: Product Name:disodium,(3E)-5-acetamido-3-[(2-methylphenyl)hydrazinylidene]-4-oxonaphthalene-2,7-disulfonate
CAS:6441-93-6
Purity:99% Package:5KG;1KG
Company Name: CONIER CHEM AND PHARMA LIMITED
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Products Intro: Product Name:acid red 35
CAS:6441-93-6
Purity:99% Package:1kg
Company Name: Hefei TNJ Chemical Industry Co.,Ltd.
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Products Intro: Product Name:Acid Red 35
CAS:6441-93-6
Company Name: Dayang Chem (Hangzhou) Co.,Ltd.
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Products Intro: Product Name:Acid red35
CAS:6441-93-6
Purity:0.95&0.99 Package:0.1KG;1KG;1000KG Remarks:Top Quality
Company Name: Alfa Chemistry
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Products Intro: Product Name:Acid red 35
CAS:6441-93-6
disodium 5-(acetylamino)-4-hydroxy-3-[(o-tolyl)azo]naphthalene-2,7-disulphonate Basic information
Product Name:disodium 5-(acetylamino)-4-hydroxy-3-[(o-tolyl)azo]naphthalene-2,7-disulphonate
Synonyms: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
CAS:6441-93-6
MF:C19H15N3Na2O8S2
MW:523.44724
EINECS:229-231-7
Product Categories:Organics
Mol File:6441-93-6.mol
disodium 5-(acetylamino)-4-hydroxy-3-[(o-tolyl)azo]naphthalene-2,7-disulphonate Structure
disodium 5-(acetylamino)-4-hydroxy-3-[(o-tolyl)azo]naphthalene-2,7-disulphonate Chemical Properties
Melting point N/A (too dark)
solubility Aqeous Base (Slightly), DMSO (Slightly), Methanol (Slightly)
form Solid
color Very Dark Red
EPA Substance Registry System2,7-Naphthalenedisulfonic acid, 5-(acetylamino)-4-hydroxy-3-[(2-methylphenyl)azo]-, disodium salt (6441-93-6)
Safety Information
MSDS Information
disodium 5-(acetylamino)-4-hydroxy-3-[(o-tolyl)azo]naphthalene-2,7-disulphonate Usage And Synthesis
UsesAcid Red 35 is an organic azo dye used in edible food packaging, hair dye, and inkjet inks.
PreparationO-Methylaniline diazo, and 4-Aminonaphthalene-1-sulfonic acid coupling.
Properties and Applicationscolourful 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 materialsNaphthionic acid-->o-Toluidine
Tag:disodium 5-(acetylamino)-4-hydroxy-3-[(o-tolyl)azo]naphthalene-2,7-disulphonate(6441-93-6) Related Product Information
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