List of inorganic pigments
The following list includes commercially or artistically important inorganic pigments of natural and synthetic origin.[1]
Purple pigments[]
Aluminum pigments
- Ultramarine violet: (PV15) - a synthetic or naturally occurring sulfur containing silicate mineral.
Copper pigments
- Han purple: BaCuSi2O6.
Cobalt pigments
- Cobalt violet: (PV14) Co3(PO4)2.
Manganese pigments
- Manganese violet: NH4MnP2O7 (PV16) manganic ammonium pyrophosphate.[2]
Gold pigments
- Purple of Cassius: Gold nanoparticles suspended in tin dioxide - Aux • SnO2.
Blue pigments[]
Aluminum pigments
- Ultramarine (PB29): a synthetic or naturally occurring sulfur containing silicate mineral - Na8-10Al6Si6O24S2-4 Na
8–10Al
6Si
6O
24S
2–4 (generalized formula) - Persian blue: made by grinding up the mineral Lapis lazuli. The most important mineral component of lapis lazuli is lazurite (25% to 40%), a feldspathoid silicate mineral with the formula (Na,Ca)
8(AlSiO
4)
6(S,SO
4,Cl)
1–2.
Cobalt pigments
- Cobalt blue (PB28): cobalt(II) aluminate.
- Cerulean blue (PB35): cobalt(II) stannate.
Copper pigments
- Egyptian blue: a synthetic pigment of calcium copper silicate (CaCuSi4O10). Thought to be the first synthetically produced pigment.
- Han blue: BaCuSi4O10.
- Azurite: cupric carbonate hydroxide (Cu3(CO3)2(OH)2).
- Basic copper carbonate: Cu2(OH)2CO3.
Iron pigments
- Prussian blue (PB27): a synthetic inert pigment made of iron and cyanide: C18Fe7N18.
Manganese pigments
- YInMn Blue: a synthetic pigment discovered in 2009 (YIn1−xMnxO3).[3]
- Manganese blue: barium manganate(VI) sulfate.
Green pigments[]
Cadmium pigments
- Cadmium green: a light green pigment consisting of a mixture of cadmium yellow (CdS) and chrome green (Cr2O3).
Chromium pigments
- Chrome green (PG17): anhydrous chromium(III) oxide (Cr2O3).
- Viridian (PG18): hydrated chromium(III) oxide Cr2O3 • xH2O.
Cobalt pigments
- Cobalt green: also known as Rinman's green or zinc green (CoZnO2).
Copper pigments
- Malachite: cupric carbonate hydroxide (Cu2CO3(OH)2).
- Scheele's Green (also called Schloss green): cupric arsenite (CuHAsO3).
Other pigments
- Green earth: also known as terre verte and Verona green (K[(Al,Fe3+),(Fe2+,Mg](AlSi3,Si4)O10(OH)2).
Yellow pigments[]
Arsenic pigments
- Orpiment: natural monoclinic arsenic sulfide (As2S3).
Bismuth pigments
Cadmium pigments
- Cadmium yellow (PY37): cadmium sulfide (CdS), which also occurs as the mineral greenockite.
Chromium pigments
- Chrome yellow or crocoite (PY34): lead chromate (PbCrO4).
Cobalt pigments
- Aureolin or cobalt yellow (PY40): potassium cobaltinitrite (K3Co(NO2)6).
Iron Pigments
- Yellow ochre (PY43): a naturally occurring clay of monohydrated ferric oxide (Fe2O3 • H2O).
Lead pigments
- Naples yellow (PY41).
- Lead-tin-yellow: PbSnO4 or Pb(Sn,Si)O3.
Titanium pigments
- Titanium yellow (PY53): NiO·Sb2O3·20TiO2.
Tin Pigments
- Mosaic gold: stannic sulfide (SnS2).
Zinc Pigments
- Zinc yellow (PY36): zinc chromate (ZnCrO4), a highly toxic substance with anti-corrosive properties which was historically most often used to paint over metals.
Orange pigments[]
Bismuth pigments
- (PO83) non-toxic pigment similar to vermilion.
Cadmium pigments
- Cadmium orange (PO20): an intermediate between cadmium red and cadmium yellow: cadmium sulfoselenide.
Chromium pigments
- Chrome orange: a now obscure pigment composed of a mixture of lead chromate and lead(II) oxide (PbCrO4•PbO).
Red pigments[]
Arsenic pigments
- Realgar: As4S4 - a highly toxic natural pigment.
Cadmium pigments
- Cadmium red (PR108): cadmium sulfo-selenide (Cd2SSe).
Cerium pigments
- Cerium sulfide red (PR265).
Iron oxide pigments
- Sanguine, Caput mortuum, Indian red, Venetian red, oxide red (PR102).
- Red ochre (PR102): anhydrous Fe2O3.
- Burnt sienna (PBr7): a pigment produced by heating raw sienna.
Lead pigments
- Minium (pigment): also known as red lead, lead tetroxide, Pb3O4.
Mercury pigments
Brown pigments[]
Clay earth pigments (naturally formed iron oxides)
- Raw umber (PBr7): a natural clay pigment consisting of iron oxide, manganese oxide and aluminum oxide: Fe2O3 + MnO2 + nH2O + Si + Al2O3. When calcined (heated) it is referred to as burnt umber and has more intense colors.
- Raw sienna (PBr7): a naturally occurring yellow-brown pigment from limonite clay. Used in art since prehistoric times.
Black pigments[]
Carbonaceous pigments
- Carbon black (PBk7).
- Ivory black (PBk9).
- (PBk8).
- Lamp black (PBk6).
Iron pigments
- or Iron black (PBk11) (C.I. No.77499) Synthetic magnetite Fe3O4.
Manganese pigments
- Manganese dioxide: blackish or brown in color, used since prehistoric times (MnO2).
Titanium pigments
- Titanium black: Titanium(III) oxide (Ti2O3).
White pigments[]
Antimony pigment
- Antimony white: antimony(III) oxide (Sb2O3).
Barium pigments
- Barium sulfate (PW5 or baryte): barium sulfate (BaSO4).
- Lithopone: BaSO4•ZnS.
Lead pigment
- Cremnitz white (PW1): basic lead(II) carbonate ((PbCO3)2·Pb(OH)2).
Titanium pigment
- Titanium white (PW6): titanium(IV) oxide (TiO2).
Zinc pigments
- Zinc white (PW4): zinc oxide (ZnO).
- Sachtolith: zinc sulfide (ZnS).
Fluorescent pigments[]
- Uranium salts.
Safety[]
A number of pigments, especially traditional ones, contain heavy metals such as lead, mercury, and cadmium that are highly toxic. The use of these pigments is now highly restricted in many countries.[1]
See also[]
References[]
- ^ a b Völz, Hans G.; et al. "Pigments, Inorganic". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a20_243.pub2..
- ^ Müller, Hugo; Müller, Wolfgang; Wehner, Manfred; Liewald, Heike. "Artists' Colors". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a03_143.pub2.
- ^ Smith, Andrew E.; Mizoguchi, Hiroshi; Delaney, Kris; Spaldin, Nicola A.; Sleight, Arthur W.; Subramanian, M. A. (2009). "Mn3+ in Trigonal Bipyramidal Coordination: A New Blue Chromophore". J. Am. Chem. Soc. 131: 17084–17086. doi:10.1021/ja9080666. PMID 19899792.
External links[]
- . New International Encyclopedia. 1905.
Categories:
- Inorganic pigments
- Pigments