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7789-00-6 - Potassium chromate, ACS, 99.0% min - Potassium chromium(VI) oxide - 12610 - Alfa Aesar

12610 Potassium chromate, ACS, 99.0% min

CAS-Nummer
7789-00-6
Synonyme
Potassium chromium(VI) oxide

Größe Preis ($) Menge Verfügbarkeit
100g 33,10
500g 111,00
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Potassium chromate, ACS, 99.0% min

MDL
MFCD00011368
EINECS
232-140-5

Chemische Eigenschaften

Formel
K2CrO4
Molmasse
194.19
Form
Crystalline
Schmelzpunkt
975°
Dichte
2.73
Löslichkeit
Soluble in water. Insoluble in alcohol.

Anwendungen

In finishing of leather, rust proofing of metals, textile mordant, as an analytical lab reagent. Potassium chromate enjoys a broad assortment of industrial purposes. In the fabric industry, manufacturers use potassium chromate to tan leather and dye clothing items and materials. In science, potassium chromate is often used as an indicator, meaning it can identify the presence, location and quantity of certain elements such as iron. Beyond these applications, potassium chromate also functions as an oxidizing agent in manufacturing and scientific experiments. Some nuclear power plants currently use substances other than potassium chromate to inhibit corrosion in closed cooling-water systems. Potassium chromate is applied as a chemical indicator of chlorine ions.

Bemerkungen

Potassium chromate can be destroyed by reaction with reducing agents.

Literaturverweise

Hu, G. R.; Wang, J. L.; Peng, Z. D.; Du, K.; Wang, W. G.; Jiang, Q. L. Preparation of potassium chromate by roasting of carbon ferrochrome. Trans. Nonferrous Met. Soc. China 2015, 25, 966-972.

Guo-rong, H.; Jia-liang, W.; Zhong-dong, Peng.; Ke, D. A novel method to produce potassium chromate from carbon ferrochrome. J. Cent. South Univ. 2015, 22 (4), 1264-1268.

GHS Gefahren- und Sicherheitshinweise

Gefahrenhinweise (EU): H315-H319-H317-H340-H350-H335

Causes skin irritation. Causes serious eye irritation. May cause an allergic skin reaction. May cause genetic defects. May cause cancer. May cause respiratory irritation.

Sicherheitshinweise: P201-P261-P280-P305+P351+P338-P405-P501a

Obtain special instructions before use. Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Weitere Referenzen

Merck
14,7622
Gefahrenklasse
5.1
Verpackungsgruppe
III
Harmonized Tariff Code
2841.50
TSCA
Yes
RTECS
GB2940000

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