황산칼슘

CaSO₄

IUPAC: Calcium sulfate

CAS: 7778-18-9

개요

Calcium sulfate occurs naturally as gypsum (CaSO₄·2H₂O) and anhydrite. Plaster of Paris is its hemihydrate form.

구성

원소 기호 원자 원자 질량
산소 O 4 15.9990
S 1 32.0600
칼슘 Ca 1 40.0780

원소 구성

O
47.0%
S
×1
23.5%
Ca
29.4%

용도

  • Drywall/plasterboard
  • Plaster of Paris
  • Tofu coagulant
  • Cement additive

흥미로운 사실

  • The Great Pyramid of Giza used gypsum mortar — still holding after 4,500 years

구조

SMILES

[O-]S(=O)(=O)[O-].[Ca+2]

성질

유형
salt
상태
solid
몰 질량
136.14 g/mol
밀도
2.9600 g/cm³
녹는점
1460.0 °C
용해도
2.4 g/L at 20°C

분자 기술자

정확 질량
135.9143
TPSA
88.6 Ų
수소결합 주개
0
수소결합 받개
4
회전 가능 결합
0
중원자
6
복잡도
62.0

Frequently Asked Questions

What is 황산칼슘?
황산칼슘 (CaSO₄) is a salt compound with the IUPAC name Calcium sulfate.
What is the molecular weight of 황산칼슘?
황산칼슘 has a molar mass of 136.14 g/mol.
What state is 황산칼슘 at room temperature?
황산칼슘 is a solid at room temperature.
Is 황산칼슘 organic or inorganic?
황산칼슘 is classified as an inorganic compound.
What elements make up 황산칼슘?
황산칼슘 (CaSO₄) is composed of 산소 (O), 황 (S), 칼슘 (Ca).