295698
二氧化硫
≥99.9%
别名:
Sulfurous anhydride, Sulfurous oxide, Sulphur dioxide
蒸汽密度
2.26 (21 °C, vs air)
蒸汽压
1779 mmHg ( 21 °C)
方案
≥99.9%
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
二氧化硫主要用作原料生产硫酸（接触法）。常用于合成各种含硫有机物，包括烷基/芳基磺酰氯、亚磺酸、亚磺内酯和聚砜。
包装
储存于碳钢气阀瓶中，带CGA180M/CGA110F针阀。
适用：
适用：
- Aldrich®气阀瓶站系统
- Aldrich®气阀瓶气体调节器
其他说明
参见技术信息手册AL-151 气体调节器：选型、安装和操作
法律信息
Aldrich is a registered trademark of Sigma-Aldrich Co. LLC
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
个人防护装备
Faceshields, Gloves, Goggles, multi-purpose combination respirator cartridge (US)
法规信息
监管及禁止进口产品
此项目有
Sulfur dioxide.
Ullmann's Encyclopedia of Industrial Chemistry (2000)
Sulfur dioxide
Understanding Wine Chemistry, 4(7), 140-148 (2016)
The development and application of sulfur dioxide surrogates in synthetic organic chemistry.
Emmett EJ and Willis MC
Asian Journal of Organic Chemistry, 4(7), 602-611 (2015)
Yuan-Qiang Sun et al.
Chemical communications (Cambridge, England), 49(26), 2637-2639 (2013-02-26)
A coumarin-hemicyanine dye was reported for ratiometric fluorescent detection of SO2 derivatives HSO3(-) and SO3(2-) based on a novel addition-rearrangement cascade reaction.
Eliza Harris et al.
Science (New York, N.Y.), 340(6133), 727-730 (2013-05-11)
Global sulfate production plays a key role in aerosol radiative forcing; more than half of this production occurs in clouds. We found that sulfur dioxide oxidation catalyzed by natural transition metal ions is the dominant in-cloud oxidation pathway. The pathway
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