Silicon Dioxide

SiO₂

IUPAC: Silicon dioxide

CAS: 7631-86-9

概述

Silicon dioxide (silica) is the most abundant mineral in Earth's crust. Quartz, sand, and glass are all forms of SiO₂.

组成

元素 符号 原子 原子质量
Oxygen O 2 15.9990
Silicon Si 1 28.0850

元素组成

O
Oxygen ×2
53.3%
Si
Silicon ×1
46.7%

用途

  • • Glass manufacturing
  • • Semiconductor industry
  • • Concrete
  • • Optical fibers

趣味知识

  • ✦ SiO₂ makes up about 59% of Earth's crust by mass

安全性

  • ⚠ Crystalline silica dust is a respiratory hazard

Structure

SMILES

O=[Si]=O

属性

类型
oxide
状态
solid
摩尔质量
60.08 g/mol
密度
2.6500 g/cm³
熔点
1713.0 °C
沸点
2950.0 °C
溶解度
Insoluble

Molecular Descriptors

Exact Mass
59.9668
TPSA
34.1 Ų
H-Bond Donors
0
H-Bond Acceptors
2
Rotatable Bonds
0
Heavy Atoms
3
Complexity
18.0

相关化合物

Copper(I) Oxide

Cu₂O

Aluminum Oxide

Al₂O₃

Beryllium Oxide

BeO

Calcium Oxide

CaO

Boron Trioxide

B₂O₃

Copper(II) Oxide

CuO

Molybdenum Trioxide

MoO₃

Magnesium Oxide

MgO

Manganese Dioxide

MnO₂

Cadmium Oxide

CdO

Frequently Asked Questions

What is Silicon Dioxide?
Silicon Dioxide (SiO₂) is a oxide compound with the IUPAC name Silicon dioxide.
What is the molecular weight of Silicon Dioxide?
Silicon Dioxide has a molar mass of 60.08 g/mol.
What state is Silicon Dioxide at room temperature?
Silicon Dioxide is a solid at room temperature.
Is Silicon Dioxide organic or inorganic?
Silicon Dioxide is classified as an inorganic compound.
What elements make up Silicon Dioxide?
Silicon Dioxide (SiO₂) is composed of Oxygen (O), Silicon (Si).