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About This Item
Empirical Formula (Hill Notation):
B2O3
CAS Number:
Molecular Weight:
69.62
EC Number:
MDL number:
UNSPSC Code:
12352300
eCl@ss:
38120103
PubChem Substance ID:
NACRES:
NA.23
vapor density
>1 (vs air)
Quality Level
Assay
99.999% trace metals basis
form
crystals or chunks
reaction suitability
reagent type: catalyst
core: boron
mp
450 °C (lit.)
solubility
ethanol: soluble at 20 °C
density
2.46 g/mL at 25 °C (lit.)
SMILES string
O=BOB=O
InChI
1S/B2O3/c3-1-5-2-4
InChI key
JKWMSGQKBLHBQQ-UHFFFAOYSA-N
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General description
Anhydride can be obtained by heating boric acid at temperatures higher than 160oC.1
Application
Reducing boron anhydride in the presence of sodium yields amorphous boron. Whereas reducing in the presence of aluminum at high temperatures affords crystalline boron. 1
Packaging
Packaged in poly bottles
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Repr. 1B
Storage Class Code
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
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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