Dye|Dye intermediates|Fluorescent Brightener|pigment dye

5-Oxo-1-(4-sulfophenyl)-4,5-dihydro-1H-pyrazole-3-carboxylic acid

Name: 5-Oxo-1-(4-sulfophenyl)-4,5-dihydro-1H-pyrazole-3-carboxylic acid

CA Name: 1H-pyrazole-3-carboxylic acid,4,5-dihydro-5-oxo-1-(4-sulfophenyl)-

Molecular Structure:

5-Oxo-1-(4-sulfophenyl)-4,5-dihydro-1H-pyrazole-3-carboxylic acid,1H-pyrazole-3-carboxylic acid,4,5-dihydro-5-oxo-1-(4-sulfophenyl)-,CAS 118-47-8,284.25,C10H8N2O6S

Molecular Formula:C₁₀H₈N₂O₆S

Molecular Weight: 284.25

CAS Registry Number: 118-47-8

List of synthetic dyes :

C.I.Reactive Orange 14

C.I.Reactive Yellow 133

C.I.Solvent Red 229

C.I.Food Yellow 4:1

C.I.Acid Yellow 23:1

C.I.Direct Orange 1

C.I.Reactive Black 31

C.I.Reactive Yellow 179

C.I.Solvent Yellow 57

C.I.Food Yellow 4:2

C.I.Acid Yellow 27

C.I.Direct Orange 17

C.I.Reactive Yellow 133

C.I.Reactive Yellow 23

C.I.Food Yellow 4

C.I.Acid Yellow 23

C.I.Pigment Yellow 100

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This entry was posted on Friday, May 24th, 2013 at 2:16 AM and is filed under Dye intermediates. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.

7 Responses to “5-Oxo-1-(4-sulfophenyl)-4,5-dihydro-1H-pyrazole-3-carboxylic acid”

1. Food Yellow 4 on August 8th, 2013 at 8:15 AM

   […] Methods : (a) Sulfanilic acid diazo, and 5-Oxo-1-(4-sulfophenyl)-4,5-dihydro-1H-pyrazole-3-carboxylic acid coupled; (b), 4-Hydrazinobenzenesulfonic acid (2 Moore) and Oxalacetic […]

2. Food Yellow 4:1 on August 8th, 2013 at 8:17 AM

   […] Methods :  Sulfanilic acid diazo, and 5-Oxo-1-(4-sulfophenyl)-4,5-dihydro-1H-pyrazole-3-carboxylic acid coupled into aluminum salt deposit into […]

3. Food Yellow 4:2 on August 9th, 2013 at 5:38 AM

   […] Methods : Sulfanilic acid diazo, and 5-Oxo-1-(4-sulfophenyl)-4,5-dihydro-1H-pyrazole-3-carboxylic acid  coupling, and then into zirconium salt deposit […]

4. Reactive Yellow 23 on August 28th, 2013 at 7:27 AM

   […] Manufacturing Methods : Amino (2-4 – dimethylamino ethyl sulfate sulfone) benzoyl aniline diazo, and 5-Oxo-1-(4-sulfophenyl)-4,5-dihydro-1H-pyrazole-3-carboxylic acid coupling. […]

5. Acid Yellow 23:1 on September 5th, 2013 at 2:20 AM

   […] Methods : (a) 4-Aminobenzenesulfonic acid diazo, and 5-Oxo-1-(4-sulfophenyl)-4,5-dihydro-1H-pyrazole-3-carboxylic acid coupling, and then translate into aluminum salt; (b) 2 Moore 4-Aminobenzenesulfonic acid and […]

6. Acid Yellow 27 on November 13th, 2013 at 5:30 AM

   […] Methods : aniline diazo, and 5-Oxo-1-(4-sulfophenyl)-4,5-dihydro-1H-pyrazole-3-carboxylic acid […]

7. Pigment Yellow 100 on November 26th, 2013 at 4:44 AM

   […] Methods :(a) 4-Aminobenzenesulfonic acid diazotization, with 5-Oxo-1-(4-sulfophenyl)-4,5-dihydro-1H-pyrazole-3-carboxylic acid coupling, and then convert it to aluminum salt; (b) 2 Moore 4-Hydrazinobenzenesulfonic acid and […]

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