메타중아황산 나트륨

Na₂S₂O₅

IUPAC: Disodium disulfite

CAS: 7681-57-4

개요

Sodium metabisulfite is a powerful reducing agent and preservative used in wine making, food preservation, and water treatment.

구성

원소 기호 원자 원자 질량
산소 O 5 15.9990
나트륨 Na 2 22.9900
S 2 32.0600

원소 구성

O
42.1%
S
×2
33.7%

용도

  • Wine preservation
  • Food antioxidant
  • Water treatment
  • Photography fixative

흥미로운 사실

  • Used by winemakers worldwide to prevent oxidation and bacterial spoilage

안전

  • ⚠ Irritant
  • ⚠ Can trigger asthmatic reactions

구조

SMILES

[O-]S(=O)S(=O)(=O)[O-].[Na+].[Na+]

성질

유형
salt
상태
solid
몰 질량
190.11 g/mol
밀도
1.4800 g/cm³
녹는점
150.0 °C
용해도
540 g/L at 20°C

분자 기술자

정확 질량
189.8983
TPSA
125.0 Ų
수소결합 주개
0
수소결합 받개
6
회전 가능 결합
0
중원자
9
복잡도
136.0

Frequently Asked Questions

What is 메타중아황산 나트륨?
메타중아황산 나트륨 (Na₂S₂O₅) is a salt compound with the IUPAC name Disodium disulfite.
What is the molecular weight of 메타중아황산 나트륨?
메타중아황산 나트륨 has a molar mass of 190.11 g/mol.
What state is 메타중아황산 나트륨 at room temperature?
메타중아황산 나트륨 is a solid at room temperature.
Is 메타중아황산 나트륨 organic or inorganic?
메타중아황산 나트륨 is classified as an inorganic compound.
What elements make up 메타중아황산 나트륨?
메타중아황산 나트륨 (Na₂S₂O₅) is composed of 산소 (O), 나트륨 (Na), 황 (S).