ChemicalBook > CAS DataBase List > disodium 4,5-dihydro-5-oxo-4-(phenylazo)-1-(4-sulphonatophenyl)-1H-pyrazole-3-carboxylate
disodium 4,5-dihydro-5-oxo-4-(phenylazo)-1-(4-sulphonatophenyl)-1H-pyrazole-3-carboxylate
- Product Name
- disodium 4,5-dihydro-5-oxo-4-(phenylazo)-1-(4-sulphonatophenyl)-1H-pyrazole-3-carboxylate
- CAS No.
- 1934-22-1
- Chemical Name
- disodium 4,5-dihydro-5-oxo-4-(phenylazo)-1-(4-sulphonatophenyl)-1H-pyrazole-3-carboxylate
- Synonyms
- C.I.19130;C.I.Acid Yellow 27;Tartrazine Impurity 5;C.I.Acid Yellow 27:C.I.19130;disodium 4,5-dihydro-5-oxo-4-(phenylazo)-1-(4-sulphonatophenyl)-1H-pyrazole-3-carboxylate;4,5-Dihydro-5-oxo-4-(phenylazo)-1-(4-sulfophenyl)-1H-pyrazole-3-carboxylic acid disodium salt
- CBNumber
- CB4881531
- Molecular Formula
- C16H10N4Na2O6S
- Formula Weight
- 432.31834
- MOL File
- 1934-22-1.mol
More
Less
disodium 4,5-dihydro-5-oxo-4-(phenylazo)-1-(4-sulphonatophenyl)-1H-pyrazole-3-carboxylate Chemical Properties,Usage,Production
Preparation
aniline diazo, and 5-Oxo-1-(4-sulfophenyl)-4,5-dihydro-1H-pyrazole-3-carboxylic acid coupling.
Properties and Applications
yellow. Soluble in water, ethanol, acetone yellow. The strong sulfuric acid to tan, diluted to become red, and then a tan hairy precipitation. Its water solution and strong hydrochloric acid have brown yellow light precipitation; Add sodium hydroxide have precipitation. Used for wool, silk, vinegar fine fiber dyeing and leather and paper color, also can be used as organic pigments.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 4 | 1 | 5 | 4 | 1 | 5 | 2-3 | |
disodium 4,5-dihydro-5-oxo-4-(phenylazo)-1-(4-sulphonatophenyl)-1H-pyrazole-3-carboxylate Preparation Products And Raw materials
Raw materials
Preparation Products
More
Less
disodium 4,5-dihydro-5-oxo-4-(phenylazo)-1-(4-sulphonatophenyl)-1H-pyrazole-3-carboxylate Suppliers
- Tel
- 15229059051
- 1027@dideu.com
- Country
- China
- ProdList
- 9992
- Advantage
- 58
- Tel
- 021-54580889 18321124657
- Fax
- 021-54580889
- 731997554@qq.com
- Country
- China
- ProdList
- 10608
- Advantage
- 58
- Tel
- 13393721940
- sales@vcommend.com
- Country
- China
- ProdList
- 9962
- Advantage
- 58
1934-22-1, disodium 4,5-dihydro-5-oxo-4-(phenylazo)-1-(4-sulphonatophenyl)-1H-pyrazole-3-carboxylate Related Search:
Acid Yellow 257
ACID YELLOW 29
Acid Yellow 262
C.I. Acid Yellow 26
Quinoline Yellow
Acid Yellow 250
disodium [2-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]benzoato(2-)][2-[[4,5-dihydro-3-methyl-5-oxo-1-(4-sulphophenyl)-1H-pyrazol-4-yl]azo]benzoato(3-)]chromate(2-)
Acid Yellow 261
Acid Yellow 260