99.5% Potassium Carbonate (CAS 584-08-7)
Product Overview
Potassium carbonate (K₂CO₃) is an inorganic compound appearing as white crystalline powder with a density of 2.428g/cm³. It has a melting point of 891°C, decomposes at boiling point, and a molecular weight of 138.21. Highly soluble in water (forming alkaline solutions), it is insoluble in ethanol, acetone, and ether. This hygroscopic material absorbs carbon dioxide and moisture from air, converting to potassium bicarbonate, requiring sealed packaging. Available in monohydrate, dihydrate, and trihydrate forms. Pricing varies by industry application and quantity required.
Technical Specifications
| Parameter |
Value |
| Molecular Formula |
K₂CO₃ |
| CAS No. |
584-08-7 |
| HS Code |
283640 |
| EINECS |
209-529-3 |
| Molecular Weight |
138.21 |
| Appearance |
White powder or granules |
| Packing |
25/50KG bags |
Quality Standards
| Item |
Fine Grade |
First Grade |
Regular Grade |
| K₂CO₃ |
≥ 99.0% |
≥ 99% |
≥ 98.5% |
| KCl |
≤0.015% |
≤0.01% |
≤0.10% |
| K₂SO₄ |
≤0.01% |
≤0.01% |
≤0.1% |
| Fe |
≤0.0010% |
≤0.001% |
≤0.003% |
| Water Insoluble |
≤0.02% |
≤0.02% |
≤0.05% |
| Heavy Metal |
≤10ppm |
- |
- |
| As (mg/kg) |
≤2 |
- |
- |
| Burnt Loss |
≤0.60% |
≤0.6% |
≤1.0% |
Industrial Applications
Food Industry
Food grade potassium carbonate serves as an alkaline agent and dough improver, inhibiting noodle souring. Used in flour products according to production requirements.
Inorganic Industry
Used in manufacturing potassium sodium tartrate, potassium aluminum fluoride, potassium thiocyanate, and titanium dioxide.
Glass & Enamel Industry
Enhances enamel powder leveling properties, acts as a glass melting aid, and improves glass transparency and refractive index.
Rubber Industry
Essential for producing 4010 antioxidant compounds.
Printing & Dyeing Industry
Used in vat dyeing and ice dyeing processes.
Analytical Reagents
Used for high purity analysis, emission spectrum analysis, as silicate flux, organic liquid absorbent, and in electroplating, fertilizer, and photographic industries.
Global Projects
South Korean Customer Project
South African Customer Project
Canadian Customer Project
Manufacturer Profile
Shanghai Yixin Chemical Co., Ltd. has been a reliable chemical supplier since 1998, specializing in inorganic raw materials and fine chemicals. With ¥10 billion investment and 800+ square meter offices, we serve 800+ global clients across glass, ceramic, smelting, textile, and agricultural industries.
Our product range includes: barium carbonate, borax, boric acid, sodium carbonate, aluminum oxide, zinc oxide, and various fluoride compounds.
Frequently Asked Questions
Q1: Do you supply samples?
A1: Yes, we provide free samples for testing.
Q2: Do you accept sample orders?
A2: Yes, we accommodate trial orders from 100kg to 1000kg.
Q3: Can I customize labels?
A3: Yes, we implement custom designs from provided artwork.
Q4: Are you a manufacturer?
A4: Yes, we operate our own factories with 20+ years of chemical industry expertise.
Q5: What are your main products?
A5: We specialize in glass/ceramic chemicals, fluorides, detergents, surfactants, textile/paper chemicals, and oilfield compounds.
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