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HomeProduct name listAcid Orange 56

Acid Orange 56

  • CAS NO.:6470-20-8
  • Empirical Formula: C32H22N6Na2O8S2
  • Molecular Weight: 728.66202
  • MDL number: MFCD00137510
  • EINECS: 229-294-0
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-12-18 14:08:57
Acid Orange  56 Structural

What is Acid Orange 56?

Preparation

2,2′-Disulfo-4,4,diaminobibenzene double nitriding, respectively, and 3-Methyl-1-phenyl-1H-pyrazol-5(4H)-one and Naphthalen-2-ol coupling.

Properties and Applications

red light orange. Soluble in water for palm orange, soluble in ethanol for gold orange: the strong sulfuric acid for blood-red, diluted for orange brown. The dye solution to join strong hydrochloric acid have orange brown precipitation; Add thick sodium hydroxide solution for orange brown. Used for wool, silk and fiber dyeing and printing directly, also used for paper coating and leather shading.

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

Properties of Acid Orange 56

EPA Substance Registry System [1,1'-Biphenyl]-2,2'-disulfonic acid, 4-[2-(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)diazenyl]-4'-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-, sodium salt (1:2) (6470-20-8)

Safety information for Acid Orange 56

Computed Descriptors for Acid Orange 56

Acid Orange 56 manufacturer

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