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HomeProduct name listAcid Yellow 42

Acid Yellow 42

  • CAS NO.:6375-55-9
  • Empirical Formula: C32H27N8NaO8S2
  • Molecular Weight: 738.73
  • MDL number: MFCD00003139
  • EINECS: 228-940-9
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2023-05-04 15:14:30
Acid Yellow 42 Structural

What is Acid Yellow 42?

Preparation

2,2′-Disulfo-4,4,diaminobibenzene double nitriding, and 3-Methyl-1-phenyl-1H-pyrazol-5(4H)-one? (2 Moore) coupled.

Flammability and Explosibility

Not classified

Properties and Applications

yellow to red light yellow. Bright yellow powder. A lemon yellow soluble in water, soluble in ethanol is lemon yellow, slightly soluble in acetone. Meet strong sulfuric acid is lemon yellow, dilute still is shown after lemon yellow. Its water solution meet strong hydrochloric acid is lemon yellow; Sodium hydroxide solution meet strong a lemon yellow. In dyeing of copper (a little red dark, encounter chromium ion unchanged, encounter iron ion turn green dark. Mainly used for wool dyeing and can be used for wool, silk and glue directly printing, has the good discharge sex, can be used for the polyamide fiber dyeing and leather shading.

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

Properties of Acid Yellow 42

Density  1.617[at 20℃]
Water Solubility  17.27g/L at 20℃
EPA Substance Registry System C.I. Acid Yellow 42, disodium salt (6375-55-9)

Safety information for Acid Yellow 42

Computed Descriptors for Acid Yellow 42

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