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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)

方案

≥99.98%

表单

gas

沸点

−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

储存分类代码

2A - Gases

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

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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Synthesis and cyclopolymerization of diallylammoniomethanesulfonate
Ali, Shaikh A and Al-Hamouz OCS
Polym. Eng. Sci., 53(11), 2378-2388 (2013)
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)
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)
Philippe Bisseret et al.
Organic & biomolecular chemistry, 11(33), 5393-5398 (2013-07-16)
Although sulfur dioxide (SO2) has been used as a reagent for organic chemistry for more than one hundred years, being endowed with quite a distinct and varied reactivity profile, which allows the synthesis of a large range of compounds, its
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

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