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

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

  • CAS NO.:6441-93-6
  • Empirical Formula: C19H15N3Na2O8S2
  • Molecular Weight: 523.44724
  • MDL number: MFCD03939208
  • EINECS: 229-231-7
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2023-04-23 13:52:06
disodium 5-(acetylamino)-4-hydroxy-3-[(o-tolyl)azo]naphthalene-2,7-disulphonate Structural

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

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

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

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

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)

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

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

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