Citric Acid Ceramic Dispersant
CAS Number: 77-92-9
Citric acid is a low-molecular-weight organic dispersant and pH modifier used in ceramic slips, glazes, and colloidal suspensions. It chelates multi-valent cations (Ca2+, Mg2+, Al3+) at particle surfaces, reducing agglomeration and viscosity. Particularly effective for stabilizing alumina and zirconia slips at acidic pH, and as a burnout-free dispersant in electronic ceramics.
Technical Specifications
| appearance | White crystalline powder |
| purity (%) | ≥99.5 |
| moisture (%) | ≤0.5 |
| pH (1% solution) | 2.0–2.5 |
| heavy metals (ppm) | ≤5 |
Applications
- Dispersant for alumina slips at acidic pH conditions
- Sequestrant to remove calcium and magnesium from ceramic process water
- Dispersant in zirconia dental ceramic slurries
- pH modifier in colloidal silica coating formulations
- Cleaning agent for ceramic equipment and molds
Key Features
- Effective cation chelation prevents flocculation in oxide ceramic slips
- Clean volatilization during sintering leaves no ionic contamination
- Food-grade and biodegradable—safe for handling and disposal
- Cost-effective and globally available for high-volume use
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CAS Number
77-92-9
Category
Ceramic / Glass AdditivesAvailability
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