Boric anhydride
SIAL/11615 - granulated, ≥98.0% (T)
Synonym: Boron trioxide
CAS Number: 1303-86-2
Empirical Formula (Hill Notation): B2O3
Molecular Weight: 69.62
EC Number: 215-125-8
MDL Number: MFCD00011315
Linear Formula: B2O3
Product Type: Chemical
| assay | ≥98.0% (T) |
| 98.0-102.0% (titration) | |
| cation traces | Fe: ≤300 mg/kg |
| density | 2.46 g/mL at 25 °C (lit.) |
| form | solid |
| InChI | 1S/B2O3/c3-1-5-2-4 |
| InChI key | JKWMSGQKBLHBQQ-UHFFFAOYSA |
| loss | ≤3% loss on ignition, 800 °C |
| mp | 450 °C (lit.) |
| quality | granulated |
| Quality Level | 100  |
| SMILES string | O=BOB=O |
| vapor density | >1 (vs air) |
| Application: | Boric anhydride also referred to as boron trioxide or boron oxide (B2O3) has been used for preparing specimens of Bi4B2O9 ceramics. It has also been used for WO3/B2O3/Al system for investigating the impact of Ar gas pressure on the SHS reaction products. |
| Biochem/physiol Actions: | Boric anhydride is an oxide of boron that shows antimicrobial property along with lower aminoalcohols. |
| Symbol |  GHS08 |
| Signal word | Danger |
| Hazard statements | H360D |
| Precautionary statements | P201 - P308 + P313 |
| Hazard Codes | T |
| Risk Statements | 60-61 |
| Safety Statements | 53-45 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 1 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | ≥98.0% (T); 98.0-102.0% (titration) |
| mp | 450 °C (lit.) |
| Density | 2.46 g/mL at 25 °C (lit.) |
| UNSPSC | 12352306 |