Difference between revisions of "Pyrazolone"
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Pigment Orange 13; CI 21110; disazopyrazolone; pyrazolone orange | Pigment Orange 13; CI 21110; disazopyrazolone; pyrazolone orange | ||
| − | [[[SliderGallery rightalign|PO013 Sun Pyrazolone or diarilide orange.PNG~FTIR | + | [[[SliderGallery rightalign|PO013 Sun Pyrazolone or diarilide orange.PNG~FTIR (MFA)]]] |
== Other Properties == | == Other Properties == | ||
Latest revision as of 10:37, 28 January 2020
Description
A bright orange azo colorant. Pyrazolone is extensively used in rubbers, but has had limited use in polyolefins and is not used in plasticized plastics because of its tendency to migrate and bleed. It is colorfast to water and detergents. Pyrazolone has been used in some air-drying paints and printing inks.
Synonyms and Related Terms
Pigment Orange 13; CI 21110; disazopyrazolone; pyrazolone orange
Other Properties
Recommended for products processed below 200 C.
Lightfast = 4-6 (Blue scale)
| CAS | 3520-72-7 |
|---|
Hazards and Safety
May migrate, bleed, nad bloom.
Additional Information
º W. Herbst, K. Hunger, Industrial Organic Pigments, Wiley-VCH Verlag GmbH & Co., Weinheim, p. 266.
Sources Checked for Data in Record
- B. Berrie, S.Q. Lomax, 'Azo Pigments: Their History, Synthesis, Properties and Use in Artists' Materials', Studies in the History of Art , National Gallery of Art, Washington DC, No. 57, 1997