Chromium(III) oxide
CAS 1308-38-9Cr2O3151.99 g/mol
Dichromium trioxide is a chromium oxide.
IUPAC: oxo(oxochromiooxy)chromium
PubChem
Physical & Chemical Properties
| Melting Point | 2435 °C |
| Boiling Point | 4000 °C |
| Density | 5.22 at 25 °C |
| Solubility | In water, 3.13 ug/L at 20 °C, pH 6; 2.96 ug/L at 20 °C, pH 8 |
| pH | Trivalent chromium compounds are amphoteric |
| Appearance | Pellets or Large Crystals, Other Solid; Pellets or Large Crystals; Dry Powder, Pellets or Large Crystals; Dry Powder; Other Solid; Dry Powder, Other Solid |
Data: PubChem · Last updated: 4/20/2026
GHS Classification
No GHS classification data available.
Classification data is sourced from ECHA.
Regulatory Compliance
TSCA
Listed
note: Status based on EPA TSCA Active Inventory · inventory name: TSCA Chemical Substance Inventory
View sourceGlobal Trade Intelligence
No trade flow data available for this chemical.
HS Code(s): 2819
Data: UN Comtrade
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