酸式亚硫酸盐

Bisulfite

HCID 104748CAS 15181-46-1

基本信息

标准SMILES: O=S([O-])O
InChIKey: LSNNMFCWUKXFEE-UHFFFAOYSA-M
分子式: HO3S-
平均分子量: 81.07 g/mol
单同位素质量: 80.96518847

概述

Bisulphites, aqueous solutions are light colored liquids. They can cause severe burns to skin, eyes and mucous membranes. The material is noncombustible. If available, obtain the technical name of the material from the shipping papers and contact CHEMTREC, 800-424-9300 for specific response information.

名称与标识

首选名称: Bisulfite
IUPAC: hydrogen sulfite
中文名: 酸式亚硫酸盐
英文名: sulfurous acid
分子式: H2O3S
分子量: 81.07

名称与别名

Hydrogen sulfiteBisulfitehydrogensulfiteBisulphiteHydrosulfite anion15181-46-1HSO3-Hydrogen sulfite(1-)OJ9787WBLUCHEBI:17137RefChem:147076Sulfite, hydrogen

展开更多名称

酸式亚硫酸盐HYDROGENSULPHITE

sulfonic acidbisulfite ionSULFUROUS ACID, ION(1-)Sulfite LYESulfite (HSO3)-Sulfite (HSO3 1-)Sulfonsaeuresulphonic acid

数据库标识

CAS: 15181-46-1
PubChem CID: 104748
DTXSID: DTXSID5075311
ChEMBL: CHEMBL1794637
ChEBI: CHEBI:17137
UNII: OJ9787WBLU
Nikkaji: J338.736D

性质

结构计算性质

XLogP: -1
极性表面积: 79.6 Å²
氢键供体: 1
氢键受体: 4
可旋转键: 0
重原子: 4
形式电荷: -1
复杂度: 24.8

实验与物化性质

Food Contact SubstancesFCS -> FDA Inventory of Food Contact Substances Listed in 21 CFR

Physical Description · 1 条

物理化学性质

CAS 数据库: 15181 · 15181-46-1
EPA化学物质信息: Sulfite, hydrogen (15181-46-1)

安全与法规

危害信息

DOT LabelCorrosive

Fire HazardsExcerpt from ERG Guide 154 [Substances - Toxic and/or Corrosive (Non-Combustible)]:

Health HazardsExcerpt from ERG Guide 154 [Substances - Toxic and/or Corrosive (Non-Combustible)]:

Reactive GroupSulfite and Thiosulfate Salts

Reactivity AlertsStrong Reducing Agent

Reactivity ProfileWhen heated to decomposition or on contact with mineral acids it emits highly toxic fumes of sulfur dioxide gas [Sax, 9th ed., 1996, p. 2949].