활석

Mg₃Si₄O₁₀(OH)₂

IUPAC: Hydrated magnesium silicate

CAS: 14807-96-6

개요

Talc is the softest known mineral (Mohs hardness 1) and the primary ingredient in talcum powder. It is used in cosmetics, paper, and plastics.

구성

원소 기호 원자 원자 질량
수소 H 2 1.0080
산소 O 12 15.9990
마그네슘 Mg 3 24.3050
규소 Si 4 28.0850

원소 구성

용도

  • Talcum powder
  • Paper filler
  • Cosmetics
  • Ceramic glaze

흥미로운 사실

  • The softest mineral on the Mohs hardness scale, with a rating of 1

안전

  • ⚠ Controversy over possible asbestos contamination in some deposits

구조

SMILES

[OH-].[OH-].[O-][Si]12O[Si]3(O[Si](O1)(O[Si](O2)(O3)[O-])[O-])[O-].[Mg+2].[Mg+2].[Mg+2]

성질

유형
mineral
상태
solid
몰 질량
379.27 g/mol
밀도
2.7500 g/cm³
용해도
insoluble

분자 기술자

정확 질량
377.8175
TPSA
150.0 Ų
수소결합 주개
2
수소결합 받개
12
회전 가능 결합
0
중원자
19
복잡도
188.0

Frequently Asked Questions

What is 활석?
활석 (Mg₃Si₄O₁₀(OH)₂) is a mineral compound with the IUPAC name Hydrated magnesium silicate.
What is the molecular weight of 활석?
활석 has a molar mass of 379.27 g/mol.
What state is 활석 at room temperature?
활석 is a solid at room temperature.
Is 활석 organic or inorganic?
활석 is classified as an inorganic compound.
What elements make up 활석?
활석 (Mg₃Si₄O₁₀(OH)₂) is composed of 수소 (H), 산소 (O), 마그네슘 (Mg), 규소 (Si).