Triọ́ksídì krómíọ̀mù

Triọ́ksídì krómíọ̀mù
Orúkọ IUPAC Chromium trioxide Chromium(VI) oxide
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 ΔfHo298	−579 kJ·mol−1
Standard molar entropy So298	72 J·mol−1·K−1
Y (what is this?)  (verify) Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

Triọ́ksídì krómíọ̀mù tabi Krómíọ̀mù ọlọ́ksíjìnmẹ́ta (Chromium trioxide) je adapo ainiorgani to ni fomula CrO₃.