Chromium(III) oxide
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- $11.65 - $6578.53
- Product name: Chromium(III) oxide
- CAS: 1308-38-9
- MF: Cr2O3
- MW: 151.99
- EINECS:215-160-9
- MDL Number:MFCD00010949
- Synonyms:cipigmentgreen17 ;cosmetichydrophobicgreen9409 ;cosmeticmicroblendchromeoxide9229 ;dichromiumtrioxide ;greenchromeoxide ;greenchromicoxide ;greenchromiumoxide ;greenoxideofchromium
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Brand
- AK Scientific
- Alfa Aesar
- American Custom Chemicals Corporation
- Biosynth Carbosynth
- Chem-Impex
- GFS CHEMICALS
- ProChem
- Sigma-Aldrich
- Strem Chemicals
- TRC
Package
- 5g
- 10g
- 25g
- 50g
- 100g
- 250gm
- 250G
- 1each
- 500g
- 1kg
- 2kg
- 2.5KG
- 5kg
- 10Kg
- 25kg
- ManufacturerAK Scientific
- Product numberS206
- Product descriptionChromium(III) oxide
- Packaging100g
- Price$39.8
- Updated2021-12-16
- Buy
- ManufacturerAlfa Aesar
- Product number012286
- Product descriptionChromium(III) oxide, 98+%
- Packaging500g
- Price$44.8
- Updated2024-03-01
- Buy
- ManufacturerAlfa Aesar
- Product number010688
- Product descriptionChromium(III) oxide, Puratronic?, 99.97% (metals basis)
- Packaging5g
- Price$53.5
- Updated2023-06-20
- Buy
- ManufacturerAlfa Aesar
- Product number036258
- Product descriptionChromium(III) oxide, 99.6% (metals basis)
- Packaging25g
- Price$55.7
- Updated2024-03-01
- Buy
- ManufacturerAlfa Aesar
- Product number012285
- Product descriptionChromium(III) oxide, 99% (metals basis)
- Packaging100g
- Price$57.8
- Updated2024-03-01
- Buy
- ManufacturerAlfa Aesar
- Product number012286
- Product descriptionChromium(III) oxide, 98+%
- Packaging2kg
- Price$118
- Updated2023-06-20
- Buy
- ManufacturerAlfa Aesar
- Product number010688
- Product descriptionChromium(III) oxide, Puratronic?, 99.97% (metals basis)
- Packaging25g
- Price$169
- Updated2023-06-20
- Buy
- ManufacturerAlfa Aesar
- Product number010688
- Product descriptionChromium(III) oxide, Puratronic?, 99.97% (metals basis)
- Packaging500g
- Price$1775
- Updated2023-06-20
- Buy
- ManufacturerAlfa Aesar
- Product number012285
- Product descriptionChromium(III) oxide, 99% (metals basis)
- Packaging500g
- Price$172
- Updated2023-06-20
- Buy
- ManufacturerAlfa Aesar
- Product number036258
- Product descriptionChromium(III) oxide, 99.6% (metals basis)
- Packaging100g
- Price$207
- Updated2024-03-01
- Buy
- ManufacturerAlfa Aesar
- Product number010688
- Product descriptionChromium(III) oxide, Puratronic?, 99.97% (metals basis)
- Packaging100g
- Price$502
- Updated2024-03-01
- Buy
- ManufacturerAlfa Aesar
- Product number041058
- Product descriptionChromium(III) oxide sputtering target, 76.2mm (3.0in) dia x 3.18mm (0.125in) thick, 99.8% (metals basis)
- Packaging1each
- Price$542
- Updated2021-12-16
- Buy
- ManufacturerAlfa Aesar
- Product number041059
- Product descriptionChromium(III) oxide sputtering target, 76.2mm (3.0in) dia x 6.35mm (0.250in) thick, 99.8% (metals basis)
- Packaging1each
- Price$586
- Updated2021-12-16
- Buy
- ManufacturerAlfa Aesar
- Product number041056
- Product descriptionChromium(III) oxide sputtering target, 50.8mm (2.0in) dia x 3.18mm (0.125in) thick, 99.8% (metals basis)
- Packaging1each
- Price$889
- Updated2023-06-20
- Buy
- ManufacturerAmerican Custom Chemicals Corporation
- Product numberING0003958
- Product descriptionCHROMIUM OXIDE 95.00%
- Packaging2.5KG
- Price$6578.53
- Updated2021-12-16
- Buy
- ManufacturerBiosynth Carbosynth
- Product numberFC54942
- Product descriptionChromium(III) oxide
- Packaging1kg
- Price$125
- Updated2021-12-16
- Buy
| Manufacturer | Product number | Product description | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|
| AK Scientific | S206 | Chromium(III) oxide | 100g | $39.8 | 2021-12-16 | Buy |
| Alfa Aesar | 012286 | Chromium(III) oxide, 98+% | 500g | $44.8 | 2024-03-01 | Buy |
| Alfa Aesar | 010688 | Chromium(III) oxide, Puratronic?, 99.97% (metals basis) | 5g | $53.5 | 2023-06-20 | Buy |
| Alfa Aesar | 036258 | Chromium(III) oxide, 99.6% (metals basis) | 25g | $55.7 | 2024-03-01 | Buy |
| Alfa Aesar | 012285 | Chromium(III) oxide, 99% (metals basis) | 100g | $57.8 | 2024-03-01 | Buy |
| Alfa Aesar | 012286 | Chromium(III) oxide, 98+% | 2kg | $118 | 2023-06-20 | Buy |
| Alfa Aesar | 010688 | Chromium(III) oxide, Puratronic?, 99.97% (metals basis) | 25g | $169 | 2023-06-20 | Buy |
| Alfa Aesar | 010688 | Chromium(III) oxide, Puratronic?, 99.97% (metals basis) | 500g | $1775 | 2023-06-20 | Buy |
| Alfa Aesar | 012285 | Chromium(III) oxide, 99% (metals basis) | 500g | $172 | 2023-06-20 | Buy |
| Alfa Aesar | 036258 | Chromium(III) oxide, 99.6% (metals basis) | 100g | $207 | 2024-03-01 | Buy |
| Alfa Aesar | 010688 | Chromium(III) oxide, Puratronic?, 99.97% (metals basis) | 100g | $502 | 2024-03-01 | Buy |
| Alfa Aesar | 041058 | Chromium(III) oxide sputtering target, 76.2mm (3.0in) dia x 3.18mm (0.125in) thick, 99.8% (metals basis) | 1each | $542 | 2021-12-16 | Buy |
| Alfa Aesar | 041059 | Chromium(III) oxide sputtering target, 76.2mm (3.0in) dia x 6.35mm (0.250in) thick, 99.8% (metals basis) | 1each | $586 | 2021-12-16 | Buy |
| Alfa Aesar | 041056 | Chromium(III) oxide sputtering target, 50.8mm (2.0in) dia x 3.18mm (0.125in) thick, 99.8% (metals basis) | 1each | $889 | 2023-06-20 | Buy |
| American Custom Chemicals Corporation | ING0003958 | CHROMIUM OXIDE 95.00% | 2.5KG | $6578.53 | 2021-12-16 | Buy |
| Biosynth Carbosynth | FC54942 | Chromium(III) oxide | 1kg | $125 | 2021-12-16 | Buy |
Properties
Melting point :2435 °C
Boiling point :4000 °C
Density :5.21
refractive index :2.551
Flash point :3000°C
storage temp. :Room Temperature
solubility :Insoluble in all solvents
form :powder
color :Pale to dark green
Specific Gravity :5.22
Odor :at 100.00?%. odorless
Water Solubility :Insoluble
Crystal Structure :Trigonal
crystal system :Three sides
Merck :14,2234
Space group :R3c
Lattice constant :
Exposure limits :NIOSH: IDLH 25 mg/m3; TWA 0.5 mg/m3
Stability :Stable.
CAS DataBase Reference :1308-38-9(CAS DataBase Reference)
NIST Chemistry Reference :Chromium(iii) oxide(1308-38-9)
EPA Substance Registry System :Chromium(III) oxide (1308-38-9)
Boiling point :4000 °C
Density :5.21
refractive index :2.551
Flash point :3000°C
storage temp. :Room Temperature
solubility :Insoluble in all solvents
form :powder
color :Pale to dark green
Specific Gravity :5.22
Odor :at 100.00?%. odorless
Water Solubility :Insoluble
Crystal Structure :Trigonal
crystal system :Three sides
Merck :14,2234
Space group :R3c
Lattice constant :
| a/nm | b/nm | c/nm | α/o | β/o | γ/o | V/nm3 |
| 0.496 | 0.496 | 1.359 | 90 | 90 | 120 | 0.2895 |
Exposure limits :NIOSH: IDLH 25 mg/m3; TWA 0.5 mg/m3
Stability :Stable.
CAS DataBase Reference :1308-38-9(CAS DataBase Reference)
NIST Chemistry Reference :Chromium(iii) oxide(1308-38-9)
EPA Substance Registry System :Chromium(III) oxide (1308-38-9)
Safety Information
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Description
Chromium oxide green, also known as chromium sesquioxide or chromia, is one of four oxides of chromium, chemical formula Cr2O3. It is commonly called ‘chrome green’ when used as a pigment; however it was referred to as ‘viridian’ when it was first discovered.Chrome oxide is a very refractory ceramic colorant (even a 50% mix with a high borax frit will not even begin to melt it in a crucible). Chrome oxide is the only stable oxide of the metal chromium. It is a bright to dark green crystalline powder insoluble in alkalis and acids. It is manufactured from the mineral Chromite mined in southern Africa, Asia, Turkey and Cuba. As with other powerful coloring agents, chrome must be milled fine enough to eliminate specking in glass or glaze.
Chromium is a 'fast' colorant, meaning can produce strong green colors under all furnace conditions, slow or fast, reducing or oxidizing. It is also a flat colorant (due to its refractory nature), it usually produces an army helmet opaque green. It is powerful, typically only 2% will produce a dark color. It cannot be used to make a metallic glaze.
Chrome oxide is usually employed in raw glazes whereas potassium dichromate is used in fritted glazes.
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