Potassium carbonate sesquihydrate

碳酸钾倍半水合物

Also known as: Potassium carbonate, sesquihydrate, Carbonic acid, dipotassium salt, sesquihydrate, Dipotassium carbonate sesquihydrate, EINECS 209-529-3, Potassium carbonate hydrate (4:2:3), tetrapotassium,dicarbonate,trihydrate

Potassium carbonate sesquihydrate (CAS 6381-79-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C2H6K4O9 and a molecular weight of 330.457 g/mol. It is also known as Potassium carbonate, sesquihydrate, Carbonic acid, dipotassium salt, sesquihydrate and Dipotassium carbonate sesquihydrate. Key properties include a melting point of 891ºC, a boiling point of 333.6ºC at 760 mmHg, a density of 2.043 and a flash point of 169.8ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

6381-79-9

Jingsj CID

J-20543-4

Molecular Formula

C₂H₆K₄O₉

Chinese Name

碳酸钾倍半水合物

Molecular Weight

330.457 g/mol

Category

Organic Acids

Last updated

8/21/2026