Dipotassium dioxido(dioxo)chromium

Basic Information

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CAS Number

7789-00-6

Molecular Formula

CrK2O4

Molecular Weight

194.19 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Water Treatment Chemicals Coagulants and Flocculants Inorganic Coagulants

Basic Physical Properties

Melting Point

971 °C

Boiling Point

968°C

Density

2.732

Water Solubility

640 g/L (20 ºC)

Solubility

H2O: soluble

SMILES

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[O-][Cr](=O)(=O)[O-].[K+].[K+]

InChI

InChI=1S/Cr.2K.4O/q;2*+1;;;2*-1

InChIKey

XMXNVYPJWBTAHN-UHFFFAOYSA-N

LogP

-0.47520

Complexity

62.2

Safety Information

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GHS Hazard Pictograms

H317

H340

H410

Hazard Statement

H317 May cause an allergic skin reaction
Sensitization, Skin

H340 May cause genetic defects
Germ cell mutagenicity

H410 Very toxic to aquatic life with long lasting effects
Hazardous to the aquatic environment, long-term hazard

Hazard Class

Class 5.1 Class 5.1

Stability

Stable. Strong oxidizing agent - contact with combustible materials may lead to fire or violent reaction. Incompatible with strong reducing agents, combustible materials.

Synonyms & References

English

CHROMATE
BETZ 0213
CHROMATE IC STANDARD
CHROMATE INDICATOR
CHROMATE ION CHROMATOGRAPHY STANDARD
CHROMATE, ION CHROMATOGRAPHY STANDARD SOLUTION
CHROMATE STANDARD
CHROMATE STANDARD SOLUTION
CHROMIC ACID POTASSIUM SALT
CHROMIUM(VI) ATOMIC SPECTROSCOPY STANDARD
Dipotassium chromate
POTASSIUM CHROMATE
Potassium chromate(Ⅵ)
POTASSIUM CHROMATE TS
potassium chromate (vi)
bipotassiumchromate
chromateofpotash
chromateofpotass
chromateofpotass[qr]
chromicacid(h2cro4),dipotassiumsalt
Chromium(VI) atomic spectroscopy standard concentrate 1.00 g Cr(VI)
Chromium(VI) atomic spectroscopy standard concentrate 10.00 g Cr(VI)
Potassium chromate,anhydrous

MDL Number

MFCD00011368

FAQ

What are the physical and chemical properties of Dipotassium dioxido(dioxo)chromium (CAS: 7789-00-6)?

Dipotassium dioxido(dioxo)chromium (CAS: 7789-00-6) is a crystalline solid with a molecular weight of approximately 299.06 g/mol. It is slightly soluble in water and shows moderate reactivity with reducing agents. The compound has a low vapor pressure and is stable under normal conditions.

How is Dipotassium dioxido(dioxo)chromium (CAS: 7789-00-6) typically synthesized?

Dipotassium dioxido(dioxo)chromium is typically synthesized by reducing chromic acid with potassium hydroxide. The process involves careful control of temperature and pH to achieve high selectivity and yield.

What industries use Dipotassium dioxido(dioxo)chromium (CAS: 7789-00-6)?

Dipotassium dioxido(dioxo)chromium finds applications in various industries, including analytical chemistry, where it serves as a standard for chromium analysis. It is also used in the production of certain chromate salts and in the development of sensors and semiconductors.

What precautions should be taken when handling Dipotassium dioxido(dioxo)chromium (CAS: 7789-00-6)?

Proper personal protective equipment (PPE) such as gloves, goggles, and a lab coat should be worn when handling Dipotassium dioxido(dioxo)chromium. It should be stored in a cool, dry place away from direct sunlight and oxidizing agents. In case of spillage, the area should be ventilated and the spill cleaned up according to the safety data sheet (SDS).