이산화탄소

CO₂

IUPAC: Carbon dioxide

CAS: 124-38-9

개요

Carbon dioxide is a colorless gas vital to life on Earth. It is produced by combustion, respiration, and volcanic activity, and is used by plants in photosynthesis.

구성

원소 기호 원자 원자 질량
탄소 C 1 12.0110
산소 O 2 15.9990

원소 구성

C
27.3%
O
72.7%

용도

  • Carbonated beverages
  • Fire extinguishers
  • Dry ice
  • Photosynthesis

흥미로운 사실

  • CO₂ makes up only 0.04% of Earth's atmosphere but is critical for the greenhouse effect
  • Solid CO₂ (dry ice) sublimates directly to gas

안전

  • ⚠ Asphyxiant at high concentrations

구조

SMILES

C(=O)=O

성질

유형
oxide
상태
gas
몰 질량
44.01 g/mol
밀도
0.0020 g/cm³
녹는점
-78.5 °C
끓는점
-56.6 °C
용해도
1.45 g/L at 25°C

분자 기술자

정확 질량
43.9898
XLogP
0.9
TPSA
34.1 Ų
수소결합 주개
0
수소결합 받개
2
회전 가능 결합
0
중원자
3
복잡도
18.0

Frequently Asked Questions

What is 이산화탄소?
이산화탄소 (CO₂) is a oxide compound with the IUPAC name Carbon dioxide.
What is the molecular weight of 이산화탄소?
이산화탄소 has a molar mass of 44.01 g/mol.
What state is 이산화탄소 at room temperature?
이산화탄소 is a gas at room temperature.
Is 이산화탄소 organic or inorganic?
이산화탄소 is classified as an inorganic compound.
What elements make up 이산화탄소?
이산화탄소 (CO₂) is composed of 탄소 (C), 산소 (O).