질산칼륨

KNO₃

IUPAC: Potassium nitrate

CAS: 7757-79-1

개요

Potassium nitrate (saltpeter) is a key component of gunpowder and an important fertilizer. It provides both potassium and nitrogen to plants.

구성

원소 기호 원자 원자 질량
질소 N 1 14.0070
산소 O 3 15.9990
칼륨 K 1 39.0980

원소 구성

N
질소 ×1
13.9%
O
산소 ×3
47.5%
K
칼륨 ×1
38.7%

용도

  • • Gunpowder
  • • Fertilizer
  • • Food preservation
  • • Fireworks oxidizer

흥미로운 사실

  • ✦ Gunpowder is roughly 75% KNO₃, 15% charcoal, and 10% sulfur

안전

  • ⚠ Oxidizer
  • ⚠ Can intensify fires

구조

SMILES

[N+](=O)([O-])[O-].[K+]

성질

유형
salt
상태
solid
몰 질량
101.10 g/mol
밀도
2.1100 g/cm³
녹는점
334.0 °C
끓는점
400.0 °C
용해도
316 g/L at 20°C

분자 기술자

정확 질량
100.9515
TPSA
62.9 Ų
수소결합 주개
0
수소결합 받개
3
회전 가능 결합
0
중원자
5
복잡도
18.0

관련 화합물

염화은

AgCl

질산은

AgNO₃

염화바륨

BaCl₂

염화칼륨

KCl

인산칼슘

Ca₃(PO₄)₂

탄산리튬

Li₂CO₃

탄산바륨

BaCO₃

탄산칼륨

K₂CO₃

탄산칼슘

CaCO₃

황산바륨

BaSO₄

Frequently Asked Questions

What is 질산칼륨?
질산칼륨 (KNO₃) is a salt compound with the IUPAC name Potassium nitrate.
What is the molecular weight of 질산칼륨?
질산칼륨 has a molar mass of 101.1 g/mol.
What state is 질산칼륨 at room temperature?
질산칼륨 is a solid at room temperature.
Is 질산칼륨 organic or inorganic?
질산칼륨 is classified as an inorganic compound.
What elements make up 질산칼륨?
질산칼륨 (KNO₃) is composed of 질소 (N), 산소 (O), 칼륨 (K).