황산 알루미늄 칼륨

KAl(SO₄)₂

IUPAC: Potassium aluminium sulfate

CAS: 7784-24-9

개요

Potash alum is a double salt used in water purification, pickling, and as an astringent. It has been used since antiquity.

구성

원소 기호 원자 원자 질량
산소 O 8 15.9990
알루미늄 Al 1 26.9820
황 S 2 32.0600
칼륨 K 1 39.0980

원소 구성

O
산소 ×8
49.6%
Al
알루미늄 ×1
10.4%
S
황 ×2
24.8%
K
칼륨 ×1
15.1%

용도

  • • Water purification
  • • Pickling agent
  • • Aftershave astringent
  • • Baking powder

흥미로운 사실

  • ✦ Ancient Romans used alum to purify drinking water over 2,000 years ago

구조

SMILES

O.O.O.O.O.O.O.O.O.O.O.O.[O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-].[Al+3].[K+]

성질

유형
salt
상태
solid
몰 질량
258.21 g/mol
밀도
1.7250 g/cm³
녹는점
92.0 °C
용해도
140 g/L at 20°C

분자 기술자

정확 질량
473.9755
TPSA
189.0 Ų
수소결합 주개
12
수소결합 받개
20
회전 가능 결합
0
중원자
24
복잡도
62.0

관련 화합물

염화은

AgCl

질산은

AgNO₃

염화바륨

BaCl₂

염화칼륨

KCl

인산칼슘

Ca₃(PO₄)₂

질산칼륨

KNO₃

탄산리튬

Li₂CO₃

탄산바륨

BaCO₃

탄산칼륨

K₂CO₃

탄산칼슘

CaCO₃

Frequently Asked Questions

What is 황산 알루미늄 칼륨?
황산 알루미늄 칼륨 (KAl(SO₄)₂) is a salt compound with the IUPAC name Potassium aluminium sulfate.
What is the molecular weight of 황산 알루미늄 칼륨?
황산 알루미늄 칼륨 has a molar mass of 258.21 g/mol.
What state is 황산 알루미늄 칼륨 at room temperature?
황산 알루미늄 칼륨 is a solid at room temperature.
Is 황산 알루미늄 칼륨 organic or inorganic?
황산 알루미늄 칼륨 is classified as an inorganic compound.
What elements make up 황산 알루미늄 칼륨?
황산 알루미늄 칼륨 (KAl(SO₄)₂) is composed of 산소 (O), 알루미늄 (Al), 황 (S), 칼륨 (K).