Dye|Dye intermediates|Fluorescent Brightener|pigment dye

5-Methyl-3H-pyrazol-3-one

Name: 5-Methyl-3H-pyrazol-3-one

CA Name: 3H-Pyrazole-3-one,2,4-dihydro-5-methyl-

Molecular Structure:

5-Methyl-3H-pyrazol-3-one,3H-Pyrazole-3-one,2,4-dihydro-5-methyl-,CAS 108-26-9,96.09,C4H4N2O

Molecular Formula:C₄H₄N₂O

Molecular Weight: 96.09

CAS Registry Number: 108-26-9

List of synthetic dyes :

C.I.Disperse Yellow 8

C.I.Acid Orange 98

C.I.Acid Orange 99

C.I.Acid Yellow 106

C.I.Direct Yellow 127

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This entry was posted on Wednesday, December 26th, 2012 at 8:07 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.

2 Responses to “5-Methyl-3H-pyrazol-3-one”

1. Disperse Yellow 8 on July 8th, 2013 at 7:41 AM

   […] Manufacturing Methods : 4-Methyl-2-nitrobenzenamine diazo, and 5-Methyl-3H-pyrazol-3-one coupling […]

2. Acid Yellow 106 on September 9th, 2013 at 3:01 AM

   […] benzene acylation sulfonylurea amino)-5-sulfonic acid and 2-Hydroxybenzoic acid diazo, and 5-Methyl-3H-pyrazol-3-one coupling, and then in water solution and formic acid chromium heating (85 ℃), make it into […]

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