Calcium Pyrophosphate (CAS 35405-51-7): Technical Overview and Applications
Table of Contents
1. Basic Information and Specifications
| Parameter | Value |
|---|---|
| CAS Number | 35405-51-7 |
| IUPAC Name | Calcium dihydrogen diphosphate |
| Molecular Formula | CaH2P2O7 |
| Molecular Weight | 216.04 g/mol |
| Appearance | White crystalline powder |
2. Key Physical and Chemical Properties
- Density: 3.09 g/cm³ at 25°C
- Melting Point: Decomposes at 1230°C
- Solubility: Insoluble in water; soluble in dilute hydrochloric/nitric acid
- pH (5% solution): Acidic
- Thermal Stability: Hydrolyzes to phosphoric acid in acidic solutions upon heating
3. Industrial and Commercial Applications
Food Industry
- Leavening Agent: Used in baked goods (bread, cakes) to regulate dough expansion
- Acidity Regulator: Maintains pH stability in processed foods
- Calcium Fortification: Nutritional supplement in dairy products and cereals
Industrial Uses
- Component in ceramic glazes and dental cements
- Precursor in pharmaceutical formulations
4. Safety and Handling Guidelines
| Hazard Code | Risk Statements | Precautionary Measures |
|---|---|---|
| Xi | R36/37/38: Irritating to eyes/respiratory system/skin |
|
Environmental Note: Classified WGK 3 (moderate water hazard). Prevent runoff into drains.
5. Verified Supplier Information
| Supplier | Location | Purity Grade |
|---|---|---|
| Reagent Biological Technology Co., Ltd. | Shenzhen, China | Food/Pharma Grade (99%) |
| XinKang Pharmaceutical | Hubei, China | Industrial Grade (99%) |
6. Technical Inquiry
For product specifications, bulk pricing, or regulatory documentation:
- Email: info@vivalr.com
- Tel: (86) 15866781826 (Technical Support)
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