2,4-dihydro-4-[(2-hydroxy-4-nitrophenyl)azo]-5-methyl-2-phenyl-3H-pyrazol-3-one

  • CAS：15866-36-1
  • purity：99%
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  • Molecular Formula: C16H13 N5 O4
  • Molecular Weight: 339.30552
  • Vapor Pressure: 0mmHg at 25°C 
  • Boiling Point: 543.2°Cat760mmHg 
  • Flash Point: 282.3°C 
  • PSA： 123.44000 
  • Density: 1.48g/cm3 
  • LogP: 3.19920 

2,4-dihydro-4-[(2-hydroxy-4-nitrophenyl)azo]-5-methyl-2-phenyl-3H-pyrazol-3-one(Cas 15866-36-1) Usage

General Description

The chemical 2,4-dihydro-4-[(2-hydroxy-4-nitrophenyl)azo]-5-methyl-2-phenyl-3H-pyrazol-3-one, also known as Sudan I, is a synthetic azo dye compound with a bright orange-red color commonly used as a colorant in various products such as industrial dyes, fuels, and polishes. It is also used in the food industry to color oils, waxes, and petrol-based products, but has been banned for use in food and drink in many countries due to its potential health risks. Sudan I has been classified as a possible human carcinogen by the International Agency for Research on Cancer (IARC), and exposure to this chemical has been associated with increased risk of cancer and other adverse health effects. As a result, its use has been restricted in many countries to protect public health and safety.

InChI:InChI=1/C16H13N5O4/c1-10-15(16(23)20(19-10)11-5-3-2-4-6-11)18-17-13-8-7-12(21(24)25)9-14(13)22/h2-9,15,18H,1H3/b17-13+

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