Chromium antimony titanate: Difference between revisions
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== Description == | == Description == | ||
A lightfast, opaque | A lightfast, opaque, synthetic organic pigment made about 1946. Chrome titanate is a mixed metal pigment that has a rutile structure. It was created to provide a stable, non-toxic alternative to traditional lead- or chromate-based brown and yellow pigments. Analysis shows the approximate proportions are 2-5% chromic oxide, 10-20 % antimony pentoxide, with the remainder titanium dioxide. The additions of electropositive elements will both intensify and darken the yellow color. Its hue ranges from warm yellow-brown to olive-brown, depending on the precise formulation and particle size. Chrome titanate was originally developed as a vinyl siding pigment that retain its color under prolonged sunlight exposure. Its use transitioned into paints, ceramics, plastics and other finishes. In artist paints, chrome titanate is considered as a safe alternative to [[Naples yellow|Naples yellow]] due to its excellent lightfastness, heat stability and chemical resistance. | ||
==Synonyms and Related Terms== | ==Synonyms and Related Terms== | ||
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==Physical and Chemical Properties== | ==Physical and Chemical Properties== | ||
* Color = earthy, dark yellow to yellow-brown shade | * Color = earthy, dark yellow to yellow-brown shade | ||
* Resistant to light, hear, and chemicals | |||
* Composition = (Ti, Cr, Sb) O2 | * Composition = (Ti, Cr, Sb) O2 | ||
* CAS = 68186-90-3 | * CAS = 68186-90-3 | ||
Revision as of 16:05, 2 March 2026
Description
A lightfast, opaque, synthetic organic pigment made about 1946. Chrome titanate is a mixed metal pigment that has a rutile structure. It was created to provide a stable, non-toxic alternative to traditional lead- or chromate-based brown and yellow pigments. Analysis shows the approximate proportions are 2-5% chromic oxide, 10-20 % antimony pentoxide, with the remainder titanium dioxide. The additions of electropositive elements will both intensify and darken the yellow color. Its hue ranges from warm yellow-brown to olive-brown, depending on the precise formulation and particle size. Chrome titanate was originally developed as a vinyl siding pigment that retain its color under prolonged sunlight exposure. Its use transitioned into paints, ceramics, plastics and other finishes. In artist paints, chrome titanate is considered as a safe alternative to Naples yellow due to its excellent lightfastness, heat stability and chemical resistance.
Synonyms and Related Terms
Chrome titanate; Pigment Brown 24; chrome titanate yellow; titanium orange
Risks
- Non-toxic
- Avoid dust and spray
Physical and Chemical Properties
- Color = earthy, dark yellow to yellow-brown shade
- Resistant to light, hear, and chemicals
- Composition = (Ti, Cr, Sb) O2
- CAS = 68186-90-3
- Inert, stable to 1300 C.
Resources and Citations
- C. J. Harbeck, 'Ceramic Pigments' Industrial and Engineering Chemistry, 30(7), 1938.
- Art is Creation: Pbr24
- Handprint.com: PBr24
- CHSOS: Spectra (Reflectance, XRF, Raman, FTIR) for Chrome titanate