다이크로뮴산칼륨
K₂Cr₂O₇Cite "다이크로뮴산칼륨"
다이크로뮴산칼륨. (n.d.). In Compound. Retrieved from /ko/compound/potassium-dichromate/
"다이크로뮴산칼륨." Compound, /ko/compound/potassium-dichromate/.
@misc{, title={다이크로뮴산칼륨}, url={/ko/compound/potassium-dichromate/}}
IUPAC: Potassium dichromate
CAS: 7778-50-9
개요
Potassium dichromate is a bright orange crystalline oxidizing agent used in analytical chemistry and industrial processes.
구성
용도
- • Chrome plating
- • Leather tanning
- • Analytical chemistry (COD test)
- • Photography
흥미로운 사실
- ✦ K₂Cr₂O₇ was once used in breathalyzer tests — it changes from orange to green in the presence of alcohol
안전
- ⚠ Carcinogen (Cr⁶⁺)
- ⚠ Highly toxic
- ⚠ Strong oxidizer
- ⚠ Environmental pollutant
구조
SMILES
[O-][Cr](=O)(=O)O[Cr](=O)(=O)[O-].[K+].[K+]
성질
- 유형
- industrial
- 상태
- solid
- 몰 질량
- 294.19 g/mol
- 밀도
- 2.6800 g/cm³
- 녹는점
- 398.0 °C
- 끓는점
- 500.0 °C
- 용해도
- 125 g/L at 20°C
분자 기술자
- 정확 질량
- 293.7728
- TPSA
- 124.0 Ų
- 수소결합 주개
- 0
- 수소결합 받개
- 7
- 회전 가능 결합
- 0
- 중원자
- 11
- 복잡도
- 194.0
Frequently Asked Questions
What is 다이크로뮴산칼륨?
다이크로뮴산칼륨 (K₂Cr₂O₇) is a industrial compound with the IUPAC name Potassium dichromate.
What is the molecular weight of 다이크로뮴산칼륨?
다이크로뮴산칼륨 has a molar mass of 294.19 g/mol.
What state is 다이크로뮴산칼륨 at room temperature?
다이크로뮴산칼륨 is a solid at room temperature.
Is 다이크로뮴산칼륨 organic or inorganic?
다이크로뮴산칼륨 is classified as an inorganic compound.
What elements make up 다이크로뮴산칼륨?
다이크로뮴산칼륨 (K₂Cr₂O₇) is composed of 산소 (O), 칼륨 (K), 크로뮴 (Cr).