Boron Trioxide

B₂O₃

IUPAC: Diboron trioxide

CAS: 1303-86-2

개요

Boron trioxide is a glassy solid that is one of the most important boron compounds. It is a key component of borosilicate glass (Pyrex), which has low thermal expansion and high resistance to thermal shock. It is also used as a flux in metallurgy.

구성

원소 기호 원자 원자 질량
Boron B 2 10.8100
Oxygen O 3 15.9990

원소 구성

B
31.1%
O
68.9%

용도

  • Borosilicate glass (Pyrex) production
  • Metallurgical flux
  • Fiberglass production
  • Flame retardant

흥미로운 사실

  • Pyrex glass gets its thermal shock resistance from the addition of boron trioxide

안전

  • ⚠ Mild skin and eye irritant

Structure

SMILES

B12OB(O1)O2

성질

유형
oxide
상태
solid
몰 질량
69.62 g/mol
밀도
2.4600 g/cm³
녹는점
450.0 °C
끓는점
1860.0 °C
용해도
22 g/L at 25°C

Molecular Descriptors

Exact Mass
70.0034
TPSA
27.7 Ų
H-Bond Donors
0
H-Bond Acceptors
3
Rotatable Bonds
0
Heavy Atoms
5
Complexity
33.0

다른 이름

Boron oxide Boric oxide

Frequently Asked Questions

What is Boron Trioxide?
Boron Trioxide (B₂O₃) is a oxide compound with the IUPAC name Diboron trioxide.
What is the molecular weight of Boron Trioxide?
Boron Trioxide has a molar mass of 69.62 g/mol.
What state is Boron Trioxide at room temperature?
Boron Trioxide is a solid at room temperature.
Is Boron Trioxide organic or inorganic?
Boron Trioxide is classified as an inorganic compound.
What elements make up Boron Trioxide?
Boron Trioxide (B₂O₃) is composed of Boron (B), Oxygen (O).