삼산화붕소

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
붕소 B 2 10.8100
산소 O 3 15.9990

원소 구성

B
붕소 ×2
31.1%
O
산소 ×3
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

구조

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

분자 기술자

정확 질량
70.0034
TPSA
27.7 Ų
수소결합 주개
0
수소결합 받개
3
회전 가능 결합
0
중원자
5
복잡도
33.0

다른 이름

Boron oxide Boric oxide

관련 화합물

물

H₂O

산화바륨

BaO

산화아연

ZnO

산화칼슘

CaO

삼산화황

SO₃

오산화인

P₄O₁₀

이산화황

SO₂

산화란타넘

La₂O₃

산화베릴륨

BeO

산화이트륨

Y₂O₃

Frequently Asked Questions

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