Hansa orange
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Description
Originally a Hoechst AG trademark for a line of bright, transparent orange synthetic organic pigments. Hansa orange dyes are composed of dinitro- or ortho- aniline. This class of dye was first discovered in 1907 by R. Lauch.
See also Hansa.
Synonyms and Related Terms
Pigment Orange 1, 2 and 5; CI Nos. 11725, 12060 and 12075
Comparisons
| Pigment number | Manufacture | Pigment name | Manufacture CI number | Comments |
|---|---|---|---|---|
| PO005 | Kremer | studio pigment orange | 55200 | sample contains calcite |
| PO005 | Sun | DNA orange | 276-5483 | |
| PO005 | unknown | monolite red 2g (beta-napthol) | unknown | from Tate Collection |
Risks
CI Pigment Orange 5 is a suspected carcinogen, mutagen and may contain toxic impurities.
Resources and Citations
- Monona Rossol, The Artist's Complete Health and Safety Guide, Allworth Press, New York, 1994
- Colour Index International online at www.colour-index.org