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Chromium trioxide

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Chromium trioxide

Molecular formula: CrO3 CAS# 1333-82-0
Categories: Oxide
Names
English:
CHROMIC TRIOXIDE
Chromic anhydride
Chromium anhydride
Chromium oxide, (CrO3)(CAS)
Chromium trioxide(IUPAC)
Chromium(6+) oxide
Chromium(VI) oxide(IUPAC)
Chromsaeureanhydrid
Chromtrioxid
Monochromium trioxide
chromic acid (misnomer)
trioxochromium(IUPAC)
Русский:
Оксид хрома(VI)
триоксид хрома
трёхокись хрома
хромовый ангидрид
German:
Chrom(VI)-oxid
Chromsäureanhydrid
Chromtrioxid
العربية:
أكسيد الكروم السداسي
Español:
Trióxido de cromo(IUPAC)
anhídrido crómico (obsoleto)
Óxido de cromo (VI)
ácido crómico (erróneo)
French:
Trioxyde de chrome(IUPAC)
anhydride chromique
oxyde de chrome(VI)
Italiano:
Triossido di cromo(IUPAC)
acido cromico (improprio)
anidride cromica (vecchio)
ossido di cromo(VI)
日本語:
三酸化クロム
酸化クロム(VI)
中文:
三氧化铬
氧化鉻(VI)(IUPAC)
鉻酸酐

Variants of the formula:

CrO3
O//Cr`|O|\\O
Elemental composition
Can't show the diagram.
Symbol Element Atomic weight Number of atoms Mass percent

Reactions in which Chromium trioxide is involved

  • CrO3 + H2O <=> H2CrO4
  • K2Cr2O7 + 2H2SO4 → 2CrO3 + 2KHSO4 + H2O
  • CrO3 + 2HCl <=> CrO2Cl2 + H2O