삼산화크로뮴

CrO₃

IUPAC: Chromium(VI) oxide

CAS: 1333-82-0

개요

Chromium trioxide is a powerful oxidizer and the source of hexavalent chromium in chrome plating baths. It is the most important industrial chromium(VI) compound.

구성

원소 기호 원자 원자 질량
산소 O 3 15.9990
크로뮴 Cr 1 51.9960

원소 구성

O
산소 ×3
48.0%
Cr
크로뮴 ×1
52.0%

용도

  • • Chrome plating
  • • Wood preservation (CCA)
  • • Metal finishing
  • • Chemical oxidation

흥미로운 사실

  • ✦ Hard chrome plating using CrO₃ gives automotive bumpers and hydraulic cylinders their mirror finish

안전

  • ⚠ Carcinogen
  • ⚠ Powerful oxidizer
  • ⚠ Corrosive
  • ⚠ Environmental hazard

구조

SMILES

O=[Cr](=O)=O

성질

유형
oxide
상태
solid
몰 질량
99.99 g/mol
밀도
2.7000 g/cm³
녹는점
196.0 °C
용해도
625 g/L at 25°C

분자 기술자

정확 질량
99.9252
TPSA
51.2 Ų
수소결합 주개
0
수소결합 받개
3
회전 가능 결합
0
중원자
4
복잡도
61.0

관련 화합물

물

H₂O

산화바륨

BaO

산화아연

ZnO

산화칼슘

CaO

삼산화황

SO₃

오산화인

P₄O₁₀

이산화황

SO₂

산화란타넘

La₂O₃

산화베릴륨

BeO

산화이트륨

Y₂O₃

Frequently Asked Questions

What is 삼산화크로뮴?
삼산화크로뮴 (CrO₃) is a oxide compound with the IUPAC name Chromium(VI) oxide.
What is the molecular weight of 삼산화크로뮴?
삼산화크로뮴 has a molar mass of 99.99 g/mol.
What state is 삼산화크로뮴 at room temperature?
삼산화크로뮴 is a solid at room temperature.
Is 삼산화크로뮴 organic or inorganic?
삼산화크로뮴 is classified as an inorganic compound.
What elements make up 삼산화크로뮴?
삼산화크로뮴 (CrO₃) is composed of 산소 (O), 크로뮴 (Cr).