Potassium dichromate

Name: Potassium dichromate

Grade: Laboratory Analytical Reagent

Application: Synthesis, Redox

Synonyms: potassium bichromate, dipotassium dichromate

CAS Number: 7778-50-9 EC Number: 024-002-00-6 Molar Mass: 294.19 g/mol Chemical Formula: K₂Cr₂O₇

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سنتز و واکنشهای شیمیایی – اکسایش و کاهش – اکسنده ها و کاهنده ها – نمک ها

General information

Chemical formula: K₂Cr₂O₇	Molar Mass: 294.19 g/mol
Appearance: Orange solid	Density: 2.69 g/cm³ (20 °C)
Solub. in water: 130 g/l (20 °C)	Melting point: 398°C
Boiling point: ˃ 500 °C	Flash point: N/A
Storage temp.: Below +30 °C	Cautions: Carcinogenic, very toxic, irritant
R: 49-46-E21-E25-E26-37/38-41-43-50/53	S: 53-45-60-61
HS-No.: 2841 50 00	EC-Index-No.: 024-002-00-6

Specification

Assay	≥	99.5	%
Solubility		Conforms
Identification (potassium )		Conforms
Melting point	~	398	⁰C
Sulfate	≤	0.005	%
Chloride	≤	0.001	%
Clarity & color of solution		Conforms
Loss on drying	≤	0.05	%
Elemental Impurities & Heavy Metals		See COA
Residual solvents		See COA

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General information