Sodium Acrylate (CAS 7446-81-3) Technical Overview
1. Key Specifications
| Parameter | Value |
|---|---|
| Molecular Formula | C3H3NaO2 |
| Molecular Weight | 94.04 g/mol |
| Appearance | White to light yellow crystalline solid |
| Melting Point | >300°C |
| Boiling Point | 141°C at 760 mmHg |
| Water Solubility | 479 g/L at 20°C |
| Density | 1.528 g/cm³ at 20°C |
2. Material Characteristics
- Polymerization tendency: Spontaneously polymerizes under certain conditions
- pH characteristics: Forms alkaline solutions in water (pH 8-10)
- Thermal stability: Decomposes at temperatures exceeding 300°C
- Hygroscopicity: Moderate moisture absorption capacity
3. Industrial Applications
- Water Treatment: Primary scale inhibitor in cooling towers and boilers
- Polymer Production: Key monomer for superabsorbent polymers (SAPs)
- Textile Processing: Dyeing auxiliary and thickener in printing pastes
- Personal Care: Viscosity modifier in cosmetic formulations
4. Handling Requirements
| Safety Parameter | Specification |
|---|---|
| GHS Classification | Xi (Irritant) |
| Risk Phrases | R36/37/38 |
| Storage Conditions | 2-8°C under nitrogen atmosphere |
| Protective Equipment | Nitrile gloves, chemical goggles, respirator |
5. Procurement Guidance
- Available in technical (95%) and purified (99%) grades
- Standard packaging: 25 kg moisture-resistant bags
- Lead time: Typically 2-4 weeks for bulk orders
- Certification: ISO 9001 compliant manufacturers preferred
6. Technical Support
For formulation assistance or custom specifications:
Email: info@vivalr.com
Phone: (86) 15866781826
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