Name | Potassium carbonate sesquihydrate |
Synonyms | POTASSIUM CARBONATE HYDRATE Potassium carbonate crystal POTASSIUM CARBONATE HEMIHYDRATE Potassium carbonate sesquihydrate POTASSIUM CARBONATE, SESQUIHYDRATE POTASSIUM CARBONATE-1.5-HYDRATE 99.995 Potassium carbonate sesquihydrate, for analysis ACS |
CAS | 6381-79-9 |
EINECS | 678-913-4 |
InChI | InChI=1/2CH2O3.4K.3H2O/c2*2-1(3)4;;;;;;;/h2*(H2,2,3,4);;;;;3*1H2/q;;4*+1;;;/p-4 |
Molecular Formula | CH5KO4 |
Molar Mass | 120.15 |
Density | 2.043 |
Melting Point | 891 °C |
Boling Point | 333.6°C at 760 mmHg |
Flash Point | 169.8°C |
Water Solubility | Soluble in water. Practically insoluble in alcohol |
Solubility | Easily soluble in water, almost insoluble in ethanol. |
Vapor Presure | 2.58E-05mmHg at 25°C |
Appearance | Solid |
Color | White |
Merck | 14,7670 |
Storage Condition | Store at +15°C to +25°C. |
Sensitive | Hygroscopic |
MDL | MFCD00149925 |
Use | Used as an analytical reagent. Potassium salt preparation. |
Risk Codes | R22 - Harmful if swallowed R36/38 - Irritating to eyes and skin. R36/37/38 - Irritating to eyes, respiratory system and skin. |
Safety Description | 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
WGK Germany | 1 |
FLUKA BRAND F CODES | 3 |
TSCA | Yes |
HS Code | 28364000 |
Toxicity | LD50 orally in Rabbit: > 2000 mg/kg |
EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
Application | potassium carbonate hemihydrate is used to make potassium soap, cosmetics and glass, enamel, printing and dyeing industry and pharmaceutical raw materials, inorganic salt raw materials, dyes, welding electrodes, explosives, electric transit, ceramic building materials, electron tubes, picture tubes, daily chemical industry, etc. |
Use | is used as an analytical reagent. Potassium salt preparation. |
production method | 1. Potassium chloride and ammonium carbonate by ion exchange reaction, into the carbon dioxide, and then by crystallization, dehydration, drying and prepared. Or from the Tung alkali and wood ash by impregnation. |