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Titanium yellow
View on Wikipedia| Titanium yellow | |
|---|---|
 Commercial pigment | |
 Color coordinates | |
| Hex triplet | #EEE600 |
| sRGBB (r, g, b) | (238, 230, 0) |
| HSV (h, s, v) | (58°, 100%, 93%) |
| CIELChuv (L, C, h) | (89, 98, 83°) |
| Source | [Unsourced] |
| B: Normalized to [0–255] (byte) | |
| Names | |
|---|---|
IUPAC name
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| Identifiers | |
3D model (JSmol)
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| ECHA InfoCard | 100.029.410 |
| EC Number |
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CompTox Dashboard (EPA)
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| Properties | |
| NiO·Sb2O3·20TiO2 | |
| Appearance | Yellow pigment |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Titanium yellow is a yellow pigment with the chemical composition NiO·Sb2O3·20TiO2. It is considered a complex inorganic color pigment (CICP)[1][2], formerly known as a mixed phase metal oxide[2]. The pigment has a rutile crystal lattice[1], with 2–5% of titanium ions replaced with nickel(II) and 9–12% of them replaced with antimony(III).[citation needed]
Properties
[edit]Titanium yellow has a melting point above 1000 °C and extremely low solubility in water.[citation needed]
As other CICPs, it has excellent heat stability and good chemical stability.[2]
Production
[edit]CICPs such as titanium yellow are manufactured by calcining fine powders of metal oxides, hydroxides, or carbonates in solid state at temperatures between 650 and 1300 °C.[1]
Use
[edit]Titanium yellow is used primarily as a pigment for plastics[3] and ceramic glazes[2], and in art painting.
It also finds use in high-end applications such as automotive and coil coatings.[2]
Safety
[edit]While titanium yellow contains antimony and nickel, it is considered relatively inert and can be regarded as "physiologically and environmentally harmless."[2]
See also
[edit]References
[edit]- ^ a b c Faulkner, Edwin B.; Schwartz, Russell J., eds. (2009-01-14). High Performance Pigments. Wiley. pp. 44–45. doi:10.1002/9783527626915. ISBN 978-3-527-31405-8.
- ^ a b c d e f Lambourne, R.; Strivens, T. A. (1999-08-23). Paint and Surface Coatings: Theory and Practice. Elsevier. pp. 137–138. ISBN 978-1-85573-700-6.
- ^ Sarvis, Harrey E. (1993). "The coloring of PVC". Journal of Vinyl Technology. 15 (3): 150. doi:10.1002/vnl.730150307. ISSN 1548-0585.
External links
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