Potassium dithionite or potassium hydrosulfite is a potassium salt of
dithionous acid.
The compound has
UN number
A UN number (United Nations number) is a four-digit number that identifies hazardous materials, and articles (such as explosives, flammable liquids, oxidizers, toxic liquids, etc.) in the framework of international trade and transport. Some ha ...
UN 1929. As a dithionite, it is closely related to
sodium dithionite
Sodium dithionite (also known as sodium hydrosulfite) is a white crystalline powder with a sulfurous odor. Although it is stable in dry air, it decomposes in hot water and in acid solutions.
Structure
The structure has been examined by Raman ...
, which is a commonly used
reducing agent
In chemistry, a reducing agent (also known as a reductant, reducer, or electron donor) is a chemical species that "donates" an electron to an (called the , , , or ).
Examples of substances that are commonly reducing agents include the Earth m ...
and
bleaching agent.
See also
*
List of UN numbers 1901 to 2000
References
Dithionites
Potassium compounds
{{inorganic-compound-stub