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Ochre pigment, ocher pigment, Anchred standard, Anhydrous iron oxide, Anhydrous oxide of iron, Ferric oxide (colloidal), Haematite, Ferric oxide, Ferric sesquioxide, Ferrous-ferric oxide, Ferrugo, Hematite mineral, HSDB 452, Indian red, Iron oxide, Iron oxide (Fe2O3), Iron oxide dust, Iron oxide dust and Fume (Fe2O3), Iron oxide fume, Iron oxide pigments, Iron Oxide Red, Iron oxides, Iron Red, Iron sesquioxide, Iron trioxide, Iron(III) oxide, Armenian bole, Bauxite residue, Black oxide of iron, Blended red oxides of iron, Burnt sienna, Burnt umber, Jeweler's rouge, Jewelers rouge, Levanox Red 130A, Light Red, Manufactured iron oxides, Mars Brown, Mars Red, Natural hematite, Natural iron oxides, Natural Red Oxide, Ochre, Pigment black 11, Pigment brown 6, Pigment brown 7, Pigment Red 101, Prussian Brown, Quick rouge, Raddle, Red Iron Oxide, Red ochre, Red oxide, Red oxide D3452, Red oxide D6984, Red oxide of iron, Rouge, Rubigo, Sienna, Sienna brown, Specular iron, Stone Red, Supra, Synthetic iron oxide, Venetian Red, Vitriol Red, Vogel's Iron Red, Yellow ferric oxide, Yellow oxide of iron, 110736-41-9, 11554 Red, 12000-93-0, 12002-17-4, 12227-87-1, 12259-21-1, 1309-37-1, 1343-09-5, 135507-53-8, 147229-90-1, 160186-10-7, 177715-24-1, 188357-78-0, 60880-86-6, 8011-97-0, 8049-50-1, 90452-21-4, Burntisland Red, C.I. 77491, C.I. Pigment Red 101, C.I. Pigment Red 101 and 102, C.I. Pigment Red 102, Calcotone Red, Caput mortuum, CCRIS 7330, CI 77491, Colcothar, Colloidal ferric oxide, Crocus martis adstringens, Deanox, Deanox DNX Pigments, Diiron trioxide, EINECS 215-168-2, Eisenoxyd, English Red,
Chemical Name: Iron(III) oxide
Chemical Formula: Fe2O3-SiO2-nH2O
Ochre is a mineral earth oxide that occurs naturally. These natural oxides vary in color, but are often red or yellow. Ochre can be produced to meet deftinite color, compositional and physical specifications.
Commercial grade purities
Various powder granulations
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Molar Mass (g/mol.)
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159.69
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Apparent Density (g/cm3)
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5.242
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RTECS Number
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NO7400000
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Melting Point (°C)
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1566
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Boiling Point (°C)
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Phases Available
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alpha, beta, gamma, epsilon
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Solubility In Water
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insoluble
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Mohs Hardness @20°C
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Specific Gravity (g/cc)
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Crystal Structure
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rhombohedral
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Odor
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odorless
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Appearance
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red-brown solid
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Ochre is most often used in pigments.
Jars, pails, drums, multiply paper bags, bulk bags and fiberboard containers. For further information on packaging options contact READE
Listed. For further information please call the E.P.A. at +1.202.554.1404
CAS# 1309-37-1
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