Potassium oxide
[CAS# 12136-45-7]

Identification

• Classification: Inorganic chemical industry >> Inorganic salt >> Oxides and peroxides >> Metal oxide
• Name: Potassium oxide
• Synonyms: Dipotassium monoxide; Dipotassium oxide; Potash; Potassium oxide
• Molecular Formula: K₂O
• Molecular Weight: 94.20
• CAS Registry Number: 12136-45-7
• EC Number: 235-227-6

Properties

• Density: 2.3 g/cm^3*
• Melting point: 350 ºC^**
• Refractive index: 2 (1550 nm)^***

^* "International Chemical Safety Cards" data were obtained from the National Institute for Occupational Safety and Health (US)

^** Duan, Yuhua; Journal of Solid State Chemistry 2011, V184(2), P304-311.

^*** Sakamoto, Akihiko; Japanese Journal of Applied Physics, Part 1: Regular Papers, Brief Communications & Review Papers 2006, V45(9A), P6969-6973.

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Serious eye damage	Eye Dam.	1	H318
Skin corrosion	Skin Corr.	1B	H314
Skin corrosion	Skin Corr.	1A	H314
Substances or mixtures corrosive to metals	Met. Corr.	1	H290
Skin corrosion	Skin Corr.	1	H314
Specific target organ toxicity - single exposure	STOT SE	3	H335
Acute toxicity	Acute Tox.	4	H302
Skin irritation	Skin Irrit.	2	H315
Eye irritation	Eye Irrit.	2	H319

• Hazardous Chemical?: Yes