Triọ́ksídì krómíọ̀mù
(Àtúnjúwe láti Krómíọ̀mù ọlọ́ksíjìnmẹ́ta)
Triọ́ksídì krómíọ̀mù tabi Krómíọ̀mù ọlọ́ksíjìnmẹ́ta (Chromium trioxide) je adapo ainiorgani to ni fomula CrO3.
| Triọ́ksídì krómíọ̀mù | |
|---|---|
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Chromium trioxide | |
| Àwọn orúkọ mìíràn | Chromic anhydride, chromium(VI) oxide, chromic acid, anhydride, chromic acid (misnomer) |
| Identifiers | |
| CAS number | 1333-82-0 |
| PubChem | 14915 |
| nọ́mbà UN | 1463 |
| ChEBI | CHEBI:48240 |
| nọ́mbà RTECS | GB6650000 |
| SMILES | O=[Cr](=O)=O
|
| InChI | 1/Cr.3O/rCrO3/c2-1(3)4
|
| InChI key | WGLPBDUCMAPZCE-YFSAMUSXAF |
| ChemSpider ID | 14212 |
| Properties | |
| Fọ́múlà mólékùlù | CrO3 |
| Ìkójọ mọ́lù | 99.99 g mol−1 |
| Exact mass | 99.9925256 |
| Appearance | dark red granular solid deliquescent |
| Òórùn | odorless |
| Density | 2.70 g/cm3 (20 °C) |
| Ojúàmì ìyọ́ |
197 °C, 470 K, 387 °F |
| Ojúàmì ìhó |
251 °C, 524 K, 484 °F (decomposes) |
| Solubility in water | 61.7 g/100 mL (0 °C) 63 g/100 mL (25 °C) 67.45 g/100 mL (100 °C) |
| Solubility | soluble in sulfuric acid, nitric acid, ethyl alcohol, ethyl ether, acetic acid, acetone |
| Hazards | |
| MSDS | ICSC 1194 |
| EU Index | 024-001-00-0 |
| EU classification | Oxidizer (O) Carc. Cat. 1 Muta. Cat. 2 Repr. Cat. 3 Very toxic (T+) Dangerous for the environment (N) |
| R-phrases | Àdàkọ:R45, Àdàkọ:R46, Àdàkọ:R9, Àdàkọ:R24/25, Àdàkọ:R26, Àdàkọ:R35, Àdàkọ:R42/43, Àdàkọ:R48/23, Àdàkọ:R62, Àdàkọ:R50/53 |
| S-phrases | Àdàkọ:S53, S45, Àdàkọ:S60, Àdàkọ:S61 |
| NFPA 704 |
 1
3
1
OX
|
| LD50 | 80 mg/kg |
| Thermochemistry | |
| Std enthalpy of formation ΔfH |
−579 kJ·mol−1 |
| Standard molar entropy S |
72 J·mol−1·K−1 |
 (what is this?) (verify)Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) | |
| Infobox references | |
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