ChemicalBook > CAS DataBase List > disodium 3-ethyl 4,5-dihydro-5-oxo-4-[(4-sulphonato-1-naphthyl)azo]-1-(4-sulphonatophenyl)-1H-pyrazole-3-carboxylate
disodium 3-ethyl 4,5-dihydro-5-oxo-4-[(4-sulphonato-1-naphthyl)azo]-1-(4-sulphonatophenyl)-1H-pyrazole-3-carboxylate
- Product Name
- disodium 3-ethyl 4,5-dihydro-5-oxo-4-[(4-sulphonato-1-naphthyl)azo]-1-(4-sulphonatophenyl)-1H-pyrazole-3-carboxylate
- CAS No.
- 15139-76-1
- Chemical Name
- disodium 3-ethyl 4,5-dihydro-5-oxo-4-[(4-sulphonato-1-naphthyl)azo]-1-(4-sulphonatophenyl)-1H-pyrazole-3-carboxylate
- Synonyms
- orange B;C.I.19235;Orange 137;C.I.Acid Orange 137;C.I.Acid Orange 137:C.I.19235;disodium 3-ethyl 4,5-dihydro-5-oxo-4-[(4-sulphonato-1-naphthyl)azo]-1-(4-sulphonatophenyl)-1H-pyrazole-3-carboxylate;disodium 3-ethyl 4,5-dihydro-5-oxo-4-[(4-sulphonato-1-naphthyl)azo]-1-(4-sulphonatophenyl)-1H-pyrazole-3-carboxylate;Sodium (E)-4-[[3-(Ethoxycarbonyl)-5-oxo-1-(4-sulfonatophenyl)-4,5-dihydro-4-pyrazolyl]diazenyl]naphthalene-1-sulfonate;4,5-Dihydro-5-oxo-4-[[4-(sodiooxysulfonyl)-1-naphthyl]azo]-1-[4-(sodiooxysulfonyl)phenyl]-1H-pyrazole-3-carboxylic acid ethyl;4,5-Dihydro-5-oxo-4-[[4-(sodiooxysulfonyl)-1-naphtyl]azo]-1-[4-(sodiooxysulfonyl)phenyl]-1H-pyrazole-3-carboxylic acid ethyl ester
- CBNumber
- CB7910609
- Molecular Formula
- C22H19N4NaO9S2
- Formula Weight
- 570.52
- MOL File
- 15139-76-1.mol
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disodium 3-ethyl 4,5-dihydro-5-oxo-4-[(4-sulphonato-1-naphthyl)azo]-1-(4-sulphonatophenyl)-1H-pyrazole-3-carboxylate Property
- color
- Dull orange crystals
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Safety
- Hazardous Substances Data
- 15139-76-1(Hazardous Substances Data)
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disodium 3-ethyl 4,5-dihydro-5-oxo-4-[(4-sulphonato-1-naphthyl)azo]-1-(4-sulphonatophenyl)-1H-pyrazole-3-carboxylate Chemical Properties,Usage,Production
Uses
In coloring sausage and frankfurter casings.
Preparation
Phenylhydrazine-4-sulfonic acid?and 2-Hydroxymaleic acid?ethyl ester derivatives of the sodium reaction, and partly hydrolysis, lost a ethyl, finally and diazo of 4-Aminonaphthalene-1-sulfonic acid matches.
Safety Profile
: When heated to decomposition emits toxic fumes of SOx.
Properties and Applications
dark orange. The strong sulfuric acid for purple, diluted into red; In strong hydrochloric acid for red; In 10% of sodium hydroxide solution for yellow orange, yellow light is palm diluted.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
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disodium 3-ethyl 4,5-dihydro-5-oxo-4-[(4-sulphonato-1-naphthyl)azo]-1-(4-sulphonatophenyl)-1H-pyrazole-3-carboxylate Preparation Products And Raw materials
Raw materials
Preparation Products
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disodium 3-ethyl 4,5-dihydro-5-oxo-4-[(4-sulphonato-1-naphthyl)azo]-1-(4-sulphonatophenyl)-1H-pyrazole-3-carboxylate Suppliers
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15139-76-1, disodium 3-ethyl 4,5-dihydro-5-oxo-4-[(4-sulphonato-1-naphthyl)azo]-1-(4-sulphonatophenyl)-1H-pyrazole-3-carboxylateRelated Search:
Acid Orange 154
Chromate(3-), [3-[[4,5-dihydro-3-methyl-5-(oxo-κO)-1-phenyl-1H-pyrazol-4-yl]azo-κN1]-2-(hydroxy-κO)-5-nitrobenzenesulfonato(3-)][2-(hydroxy-κO)-3-[[[2-(hydroxy-κO)phenyl]methylene]amino-κN]-5-nitrobenzenesulfonato(3-)]-, disodium hydrogen
disodium 3-hydroxy-4-(phenylazo)naphthalene-2,7-disulphonate
Benzo[a]phenazinium,5-hydroxy-7-phenylsulfo-, inner salt, sodium salt (9CI)
Acid Orange 144
C.I. Acid Orange 142
3-[[2-[(N-Ethyl-N-phenylamino)sulfonyl]phenyl]azo]-4-hydroxy-1-naphthalenesulfonic acid sodium salt
ACID ORANGE 156
Acid orange 16 (C.I. 16011)