China (Mainland)
Potassium carbonate CAS NO.584-08-7
- Min.Order: 1 Kilogram
- Payment Terms: L/C,T/T,
- Product Details
Keywords
- Potassium carbonate
- 584-08-7
- SALT OF TARTAR
Quick Details
- ProName: Potassium carbonate
- CasNo: 584-08-7
- Molecular Formula: CK2O3
- Appearance: white powder or granular crystal
- Application: white powder or granules
- DeliveryTime: 12days
- PackAge: in bags or customized
- Port: Tianjin xingang
- ProductionCapacity: 10 Metric Ton/Day
- Purity: 99%
- Transportation: by sea or by air
- LimitNum: 1 Kilogram
- Heavy metal: less than 0.4%
- Grade: Industrial Grade
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Details
| Potassium carbonate Chemical Properties |
| mp | 891 °C(lit.) |
| density | 2.43 g/mL at 25 °C |
| storage temp. | Store at RT. |
| solubility | H2O: 1 M at 20 °C, clear, colorless |
| form | powder |
| Water Solubility | 1120 g/L (20 ºC) |
| Sensitive | Hygroscopic |
| Merck | 14,7619 |
| BRN | 4267587 |
| Stability: | Stable. Incompatible with moisture, acids, magnesium bromine trifluoride and magnesium bromine trichloride. |
| CAS DataBase Reference | 584-08-7(CAS DataBase Reference) |
| NIST Chemistry Reference | Dipotassium carbonate(584-08-7) |
| EPA Substance Registry System | Carbonic acid, dipotassium salt(584-08-7) |
| Safety Information |
| Hazard Codes | Xn |
| Risk Statements | 22-36/37/38-20/21/22 |
| Safety Statements | 26-36-37/39 |
| RIDADR | 3262 |
| WGK Germany | 1 |
| RTECS | TS7750000 |
| F | 3 |
| PackingGroup | III |
| HS Code | 28364000 |
| Hazardous Substances Data | 584-08-7(Hazardous Substances Data) |
| MSDS Information |
| Provider | Language |
|---|---|
| Potassium carbonate | English |
| SigmaAldrich | English |
| ACROS | English |
| ALFA | English |
| Potassium carbonate Usage And Synthesis |
| Outline |
Potassium carbonate (chemical formula: K2CO3), also known as potash; its appearance is colorless crystal or white granules and is easily soluble in water with its solution being strongly alkaline. Cool its saturated solution with generating glassy monoclinic crystalline hydrate 2K2CO3 • 3H2O separated. It has a density of 2.043. It will lose its crystal water at 100 ℃. It is insoluble in ethanol, acetone and ether. It has a strong hygroscopic effect and can absorb carbon dioxide and water upon exposure to air to be converted into potassium bicarbonate. It can be generated through the reaction between potassium hydroxide with carbon dioxide to give. You can also obtain it through the heating reaction between potassium chloride and magnesium carbonate, water and carbon dioxide under pressure or obtain it through the impregnation of tung seed ash and plant ash. It is mainly used as the raw material for synthesis of decarbonization gas, electronic tubes, glass, enamel, printing, welding, film developing, inorganic salts and kinescope glass shell. The impure potassium carbonate base is usually called base, Tong base or pearl grey and is one kind of early species of potash. The above information is edited by the Chemicalbook of Dai Xiongfeng. |
| Reference quality standards |
Item Premium grade First grade Qualified II type Potassium carbonate (K2CO3) content ≥ 99.0% 98.5% 96.0% 99.0% Chloride (KCl) content ≤ 0.01% 0.10% 0.20% 0.03% Sulfur compounds (in K2SO4) content ≤0.01% 0.10% 0.15% 0.04% Iron (Fe) content of ≤ 0.001% 0.003% 0.010% 0.001% Water-insoluble content ≤ 0.02% 0.05% 0.10% 0.04% Burning loss ≤ 0.60% 1.00% 1.00% 0.80% |
| Content Analysis | To a pre-weighed weighing bottle with a plug, accurately weigh 1 g of dried sample measured according to the "loss on drying" assay and dissolve it in 50ml water. After adding of 2 drops of methyl red test solution (TS-149), stir continuously and titrate with 1mol/L hydrochloric acid titration until the solution turns into light pink. Heating the solution to boiling and further cool it down, continue to titrate to boiling until a pale pink color doesn’t disappears any more. Each Ml of 1mol / L hydrochloric acid is equivalent of 69.1 mg of potassium carbonate (K2CO3) |
| Solubility of potassium carbonate in water |
The maximum solubility per 100 g of water at different temperatures (℃): 107g / 0 ℃; 109g / 10 ℃; 111g / 20 ℃; 114g / 30 ℃; 117g / 40 ℃; 126g / 60 ℃; 139g / 80 ℃; 156g / 100 ℃. |
| Toxicity |
ADI does not make special provision (FAO / WHO, 2001). LD50: 18.70mg / kg (rat, oral). GRAS (FDA, §184.1619, 2000); |
| Limited use |
GB 2760-2001: pasta, beverages, processing aids; take the GMP as limit. FAO / WHO (1984): Low times concentrated milk, sweetened condensed milk, dilute cream (2g/kg when being used alone; apply 3g/kg when being used together with other stabilizers, calculated based on anhydrous matter); milk powder, cream powder 5g/kg ( calculated based on anhydride); jams and jellies, orange peel jelly (to maintain the Ph value being at 2.8 to 3.5); infant formula (according to GMP); chocolate 50g/kg (calculated based on the incorporated part from cocoa beans, cocoa nibs, cocoa liquor, cocoa cakes, etc.); cocoa powder, sugar-containing cocoa powder, cocoa nibs, cocoa liquor and cocoa cake 5 g/kg (calculated from non-fat cocoa and K2CO3 meter; can be used for the manufacture of cocoa and chocolate products). |
| The maximum allowed amount as food additives and permitted maximum allowable residue limits |
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| Chemical Properties | It belongs to monoclinic, and is white powder or granular crystal. It is easily soluble in water but insoluble in alcohol and ether. |