사이안화칼륨

KCN

IUPAC: Potassium cyanide

CAS: 151-50-8

개요

Potassium cyanide is an extremely toxic salt that has been used in gold mining, electroplating, and organic synthesis. It is lethal in milligram doses.

구성

원소 기호 원자 원자 질량
탄소 C 1 12.0110
질소 N 1 14.0070
칼륨 K 1 39.0980

원소 구성

C
18.4%
N
21.5%
K
60.0%

용도

  • Gold extraction
  • Electroplating
  • Organic synthesis
  • Photography

흥미로운 사실

  • Has been used in gold mining since the 1880s, extracting gold from low-grade ores

안전

  • ⚠ Extremely toxic
  • ⚠ Lethal dose ~200 mg
  • ⚠ Releases HCN with acid

구조

SMILES

[C-]#N.[K+]

성질

유형
inorganic
상태
solid
몰 질량
65.12 g/mol
밀도
1.5200 g/cm³
녹는점
634.0 °C
끓는점
1625.0 °C
용해도
716 g/L at 25°C

분자 기술자

정확 질량
64.9668
TPSA
23.8 Ų
수소결합 주개
0
수소결합 받개
2
회전 가능 결합
0
중원자
3
복잡도
12.0

Frequently Asked Questions

What is 사이안화칼륨?
사이안화칼륨 (KCN) is a inorganic compound with the IUPAC name Potassium cyanide.
What is the molecular weight of 사이안화칼륨?
사이안화칼륨 has a molar mass of 65.12 g/mol.
What state is 사이안화칼륨 at room temperature?
사이안화칼륨 is a solid at room temperature.
Is 사이안화칼륨 organic or inorganic?
사이안화칼륨 is classified as an inorganic compound.
What elements make up 사이안화칼륨?
사이안화칼륨 (KCN) is composed of 탄소 (C), 질소 (N), 칼륨 (K).