Potassium Dichromate
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Cite "Potassium Dichromate"
Potassium Dichromate. (n.d.). In Compound. Retrieved from /th/compound/potassium-dichromate/
"Potassium Dichromate." Compound, /th/compound/potassium-dichromate/.
@misc{potassium-dichromate, title={Potassium Dichromate}, url={/th/compound/potassium-dichromate/}}
IUPAC: Potassium dichromate
CAS: 7778-50-9
ภาพรวม
Potassium dichromate is a bright orange crystalline oxidizing agent used in analytical chemistry and industrial processes.
องค์ประกอบ
การใช้งาน
- • Chrome plating
- • Leather tanning
- • Analytical chemistry (COD test)
- • Photography
ข้อเท็จจริงที่น่าสนใจ
- ✦ K₂Cr₂O₇ was once used in breathalyzer tests — it changes from orange to green in the presence of alcohol
ความปลอดภัย
- ⚠ Carcinogen (Cr⁶⁺)
- ⚠ Highly toxic
- ⚠ Strong oxidizer
- ⚠ Environmental pollutant
Structure
SMILES
[O-][Cr](=O)(=O)O[Cr](=O)(=O)[O-].[K+].[K+]
คุณสมบัติ
- ประเภท
- industrial
- สถานะ
- solid
- มวลโมลาร์
- 294.19 g/mol
- ความหนาแน่น
- 2.6800 g/cm³
- จุดหลอมเหลว
- 398.0 °C
- จุดเดือด
- 500.0 °C
- การละลาย
- 125 g/L at 20°C
Molecular Descriptors
- Exact Mass
- 293.7728
- TPSA
- 124.0 Ų
- H-Bond Donors
- 0
- H-Bond Acceptors
- 7
- Rotatable Bonds
- 0
- Heavy Atoms
- 11
- Complexity
- 194.0
Frequently Asked Questions
What is Potassium Dichromate?
Potassium Dichromate (K₂Cr₂O₇) is a industrial compound with the IUPAC name Potassium dichromate.
What is the molecular weight of Potassium Dichromate?
Potassium Dichromate has a molar mass of 294.19 g/mol.
What state is Potassium Dichromate at room temperature?
Potassium Dichromate is a solid at room temperature.
Is Potassium Dichromate organic or inorganic?
Potassium Dichromate is classified as an inorganic compound.
What elements make up Potassium Dichromate?
Potassium Dichromate (K₂Cr₂O₇) is composed of Oxygen (O), Potassium (K), Chromium (Cr).