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Merck
CN

744255

Sigma-Aldrich

二氧化硫

≥99.98%

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About This Item

线性分子式:
SO2
CAS号:
分子量:
64.06
Beilstein:
3535237
EC 号:
MDL编号:
UNSPSC代码:
12142100
PubChem化学物质编号:
NACRES:
NA.22

蒸汽密度

2.26 (21 °C, vs air)

质量水平

蒸汽压

1779 mmHg ( 21 °C)

检测方案

≥99.98%

形式

gas

bp

−10 °C (lit.)

mp

−73 °C (lit.)

密度

1.25 g/mL at 25 °C (lit.)

SMILES字符串

O=S=O

InChI

1S/O2S/c1-3-2

InChI key

RAHZWNYVWXNFOC-UHFFFAOYSA-N

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应用

二氧化硫(SO2)可用于:
  • 钯催化的氨基磺酰化反应。
  • 制备1,4-二氮杂双环[2.2.2]辛烷[DABCO。(SO22] 或 DABSO,可用作试剂,在钯催化的情况下,通过氨基磺酰化过程,合成 N氨基磺酰胺。
  • 合成聚磺基甜菜碱(PSB / SO2)共聚物。

包装

500 ml高压铝制气瓶,配有符合DIN 477-1标准的不锈钢阀门。

其他说明

744255-450G-EU包装:500 mL 配备黄铜阀的铝筒。

推荐产品

对于744255-450G-EU:出口接头:DIN 477-1 no.1、Z742162或Z742164是推荐的调节器。

警示用语:

Danger

危险声明

危险分类

Acute Tox. 3 Inhalation - Eye Dam. 1 - Press. Gas Liquefied gas - Skin Corr. 1B

WGK

WGK 1

闪点(°F)

Not applicable

闪点(°C)

Not applicable

法规信息

监管及禁止进口产品

分析证书(COA)

输入产品批号来搜索 分析证书(COA) 。批号可以在产品标签上"批“ (Lot或Batch)字后找到。

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Palladium-catalysed aminosulfonylation of aryl-, alkenyl-and heteroaryl halides: scope of the three-component synthesis of N-aminosulfonamides
Emmett EJ, et al.
Organic & Biomolecular Chemistry, 10(20), 4007-4014 (2012)
Synthesis and cyclopolymerization of diallylammoniomethanesulfonate
Ali, Shaikh A and Al-Hamouz OCS
Polym. Eng. Sci., 53(11), 2378-2388 (2013)
DABCO-bis (sulfur dioxide), DABSO, as a convenient source of sulfur dioxide for organic synthesis: utility in sulfonamide and sulfamide preparation.
Woolven H, et al.
Organic Letters, 13(18), 4876-4878 (2011)
Shan-Shan Chen et al.
Chinese medical journal, 124(12), 1901-1905 (2011-07-12)
Sulfur dioxide was considered to be toxic and detrimental to human health. However, this review highlights recent advances that suggest sulfur dioxide might be a novel endogenous gaseous signaling molecule involved in the regulation of cardiovascular functions. The data used
Xin-Bao Wang et al.
Life sciences, 98(2), 63-67 (2014-01-15)
Sulfur dioxide (SO2) is a common air pollutant and is detrimental to many organs. Its toxic effects including oxidative damage, deoxyribonucleic acid (DNA) damage and inflammation have been extensively studied. However, recent studies showed that SO2 can be generated endogenously

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