11615
Boric anhydride
granulated, ≥98.0% (T)
Synonym(s):
Boron trioxide
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About This Item
Empirical Formula (Hill Notation):
B2O3
CAS Number:
Molecular Weight:
69.62
PubChem Substance ID:
eCl@ss:
38120103
UNSPSC Code:
12352306
NACRES:
NA.21
EC Number:
215-125-8
MDL number:
Assay:
≥98.0% (T), 98.0-102.0% (titration)
Form:
solid
vapor density
>1 (vs air)
Quality Segment
assay
≥98.0% (T), 98.0-102.0% (titration)
form
solid
quality
granulated
loss
≤3% loss on ignition, 800 °C
mp
450 °C (lit.)
density
2.46 g/mL at 25 °C (lit.)
cation traces
Fe: ≤300 mg/kg
SMILES string
O=BOB=O
InChI
1S/B2O3/c3-1-5-2-4
InChI key
JKWMSGQKBLHBQQ-UHFFFAOYSA-N
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.
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signalword
Danger
hcodes
Hazard Classifications
Repr. 1B
Storage Class
6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
Regulatory Information
低风险生物材料
动植物源性产品
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Antimicrobial properties of the products from the reaction of various aminoalcohols and boric anhydride.
S Watanabe
Materials Chemistry and Physics, 19, 191-195 (1988)
Influence of Ar Pressure on Product Characteristics of Self-Propagating High-Temperature Synthesis from WO3/B2O3/Al Reactant System.
Tawat Chanadee et al.
Advanced Materials Research, 748, 32-35 (2013)
Effect of Bi4B2O9 addition on the sintering temperature and microwave dielectric properties of BaO-Nd2O3-4TiO2 ceramics.
Xingyu Chen
Journal of Materials Science: Materials in Electronics, 24, 224-229 (2013)
Global Trade Item Number
| SKU | GTIN |
|---|---|
| H3281-10G | 04061833620762 |
| H3281-1G | 04061833793022 |
| H3281-250MG | 04061833793039 |
| H3281-5G | 04061833793046 |
| 11615-1G-F | 04061838704115 |
| 11615-25KG-R | 04061833439890 |
| 11615-5G-F | 04061833626825 |
| 11615-1KG-R | 04061835540952 |