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ACID ORANGE 74

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ACID ORANGE 74 Basic information

Product Name:
ACID ORANGE 74
Synonyms:
  • Chromate(1-), 3-4,5-dihydro-3-methyl-5-(oxo-.kappa.O)-1-phenyl-1H-pyrazol-4-ylazo-.kappa.N1-2-(hydroxy-.kappa.O)-5-nitrobenzenesulfonato(3-)hydroxy-, sodium, (T-4)-
  • Acid Orange 74 (18745)
  • acid orange 74 (C.I. 18745)
  • sodium [3-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-2-hydroxy-5-nitrobenzenesulphonato(3-)]hydroxychromate(1-)
  • Chromate, [3-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-2-hydroxy-5-nitrobenzenesulfonato]hydroxy-, sodium
  • Chromate(1-),[3-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-2-hydroxy-5-nitrobenzenesulfonato(3-)]hydroxy-,sodium
  • sodium,chromium(3+),3-[(3-methyl-5-oxido-1-phenylpyrazol-4-yl)diazenyl]-5-nitro-2-oxidobenzenesulfonate,hydroxide
  • Acid Orange 74, Dye content 85%
CAS:
10127-27-2
MF:
C16H10CrN5NaO8S
MW:
507.33
EINECS:
233-357-8
Product Categories:
  • A
  • Stains and Dyes
  • Dyes and Pigments
  • Organometallics
  • Stains&Dyes, A to
Mol File:
10127-27-2.mol
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ACID ORANGE 74 Chemical Properties

Density 
1.69g/cm3 at 19.96℃
vapor pressure 
0.001Pa at 20℃
form 
Powder
LogP
-1.56 at 23℃ and pH8.9
CAS DataBase Reference
10127-27-2
EPA Substance Registry System
Chromate(1-), [3-[[4,5-dihydro-3-methyl-5-(oxo-.kappa.O)-1-phenyl-1H-pyrazol-4-yl]azo-.kappa.N1]-2-(hydroxy-.kappa.O)-5-nitrobenzenesulfonato(3-)]hydroxy-, sodium, (T-4)- (10127-27-2)
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Safety Information

Safety Statements 
24/25

MSDS

  • Language:English Provider:ACROS
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ACID ORANGE 74 Usage And Synthesis

Chemical Properties

red-brown to brown powder

Uses

Acid Orange 74 is an azo dye used in the textile industry, and a ground water pollutant.

Preparation

3-Amino-2-hydroxy-5-nitrobenzenesulfonic acid diazo, and 3-Methyl-1-phenyl-1H-pyrazol-5(4H)-one matches, will result in aqueous solution with formic acid chromium heating, in 130 ℃ keep 3 hours, make it into a chrome complex.

Properties and Applications

orange. Dark brown powder. Soluble in water for orange, soluble in ethanol, slightly soluble in soluble fiber element. The strong sulfuric acid to dark yellow, diluted into orange; In 10% of sodium hydroxide solution for orange. Used for wool, polyamide fiber and silk dyeing and printing directly, also used in leather and electrochemical aluminum color. Especially for the influential product and the wool carpet dyeing.

Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 6-7 4 4 4 4 4
AATCC 5 3-4 3-4 5 4 4

ACID ORANGE 74Supplier

3B Pharmachem (Wuhan) International Co.,Ltd.
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821-50328103-801 18930552037
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3bsc@sina.com
Chengdu Ai Keda Chemical Technology Co., Ltd.
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4008-755-333 18080918076
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800078821@qq.com
9ding chemical ( Shanghai) Limited
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4009209199
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sales@9dingchem.com
The future of Shanghai Industrial Co., Ltd.
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021-61552785
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sales@shshiji.com
Shanghai JONLN Reagent Co., Ltd.
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400-0066400 13621662912
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422131432@qq.com