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HomeProduct name listACID RED 151

ACID RED 151

  • CAS NO.:6406-56-0
  • Empirical Formula: C22H15N4NaO4S
  • Molecular Weight: 454.43
  • MDL number: MFCD00003903
  • EINECS: 229-029-9
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2023-05-04 15:15:36
ACID RED 151 Structural

What is ACID RED 151?

Preparation

4-((4-Aminophenyl)diazenyl)benzenesulfonic acid diazo, and Naphthalen-2-ol coupling.

Flammability and Explosibility

Not classified

Properties and Applications

red. Dark red powder. Soluble in water is cloudy brown light orange, soluble in ethanol (orange) and soluble fiber element, insoluble in other organic solvents. Meet strong sulfuric acid as blue light green, a weak light brown after diluted orange. Its water solution and strong hydrochloric acid for orange brown; Add thick sodium hydroxide solution for dark purple. Apply to polyamide, silk, wool and wool fabric dyeing of, also can used for the polyamide plastic shading. Can also be used in leather dyeing.

Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 4 4 3-4 4 4 3-4 4 3-4
AATCC 6 3 3 2-3 3 3

Properties of ACID RED 151

Boiling point: 855.43℃[at 101 325 Pa]
Density  1.41[at 20℃]
vapor pressure  0Pa at 25℃
form  Powder
color  Brown
Water Solubility  10mg/L at 25℃
EPA Substance Registry System C.I. Acid Red 151, monosodium salt (6406-56-0)

Safety information for ACID RED 151

Computed Descriptors for ACID RED 151

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