Product Category: Industrial Chemicals / Borates
Chemical Name: Orthoboric Acid
Alternative Names: Boric Acid / Orthoboric Acid
CAS Number: 10043-35-3
Chemical Formula: H₃BO₃
Molecular Weight: 61.83 g/mol
Appearance: White, free-flowing crystalline granules
Product Overview
Boric Acid Granules are a high-purity boron-containing raw material used across glass, ceramics, metallurgy, chemical manufacturing and numerous industrial formulations.
The granular form offers convenient handling, good flow characteristics and reduced dust compared with fine powder grades.
Typical Technical Specification
| Property | Typical Reference |
| SKU | MCS-B3 |
| Appearance | White crystalline granules |
| H₃BO₃ | Approx. 99.9% minimum for high-quality technical grades |
| B₂O₃ | Approx. 56.25–56.80% |
| Molecular Weight | 61.83 g/mol |
| Specific Gravity | Approx. 1.50 |
| Solubility | Soluble in water |
| CAS Number | 10043-35-3 |
A current U.S. Borax technical granular specification lists equivalent H₃BO₃ at 99.9–100.9% and B₂O₃ at 56.25–56.80%.
Applications
- Glass and fibreglass manufacturing
- Ceramics and enamels
- Metallurgical processing
- Welding and brazing fluxes
- Chemical manufacturing
- Industrial formulations
- Flame-retardant formulations
- Specialty cleaning products
Key Benefits
- High boric acid content
- Controlled granular form
- Reduced dust compared with powder
- Excellent boron source
- Broad industrial versatility
Packaging
Available in moisture-resistant industrial bags or bulk configurations depending on customer requirements.
Storage
Store tightly sealed in a cool, dry location. Avoid prolonged exposure to moisture and significant temperature variations.
