과황산칼륨

K₂S₂O₈

IUPAC: Potassium peroxodisulfate

CAS: 7727-21-1

개요

Potassium persulfate is a powerful oxidizer used to initiate free radical polymerization and as a PCB etchant. It decomposes to release sulfate radicals.

구성

원소 기호 원자 원자 질량
산소 O 8 15.9990
황 S 2 32.0600
칼륨 K 2 39.0980

원소 구성

O
산소 ×8
47.3%
S
황 ×2
23.7%
K
칼륨 ×2
28.9%

용도

  • • Polymerization initiator
  • • PCB etching
  • • Hair bleaching
  • • Soil remediation

흥미로운 사실

  • ✦ Used in virtually every hair bleaching product as the oxidizing agent

안전

  • ⚠ Oxidizer
  • ⚠ Skin sensitizer
  • ⚠ Irritant

구조

SMILES

[O-]S(=O)(=O)OOS(=O)(=O)[O-].[K+].[K+]

성질

유형
inorganic
상태
solid
몰 질량
270.32 g/mol
밀도
2.4770 g/cm³
용해도
52 g/L at 20°C

분자 기술자

정확 질량
269.8309
TPSA
150.0 Ų
수소결합 주개
0
수소결합 받개
8
회전 가능 결합
1
중원자
12
복잡도
206.0

관련 화합물

아르신

AsH₃

포스겐

COCl₂

삼염화인

PCl₃

질화붕소

BN

탄화규소

SiC

탄화칼슘

CaC₂

다이보레인

B₂H₆

사염화규소

SiCl₄

삼염화붕소

BCl₃

수소화칼슘

CaH₂

Frequently Asked Questions

What is 과황산칼륨?
과황산칼륨 (K₂S₂O₈) is a inorganic compound with the IUPAC name Potassium peroxodisulfate.
What is the molecular weight of 과황산칼륨?
과황산칼륨 has a molar mass of 270.32 g/mol.
What state is 과황산칼륨 at room temperature?
과황산칼륨 is a solid at room temperature.
Is 과황산칼륨 organic or inorganic?
과황산칼륨 is classified as an inorganic compound.
What elements make up 과황산칼륨?
과황산칼륨 (K₂S₂O₈) is composed of 산소 (O), 황 (S), 칼륨 (K).