744255
二氧化硫
≥99.98%
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关于此项目
线性分子式:
SO2
化学文摘社编号:
分子量:
64.06
UNSPSC Code:
12142100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
231-195-2
Beilstein/REAXYS Number:
3535237
MDL number:
Assay:
≥99.98%
Form:
gas
vapor density
2.26 (21 °C, vs air)
Quality Level
vapor pressure
1779 mmHg ( 21 °C)
assay
≥99.98%
form
gas
bp
−10 °C (lit.)
mp
−73 °C (lit.)
density
1.25 g/mL at 25 °C (lit.)
SMILES string
O=S=O
InChI
1S/O2S/c1-3-2
InChI key
RAHZWNYVWXNFOC-UHFFFAOYSA-N
Application
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。（SO2）2] 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。
Packaging
500 ml高压铝制气瓶，配有符合DIN 477-1标准的不锈钢阀门。
Other Notes
744255-450G-EU包装：500 mL 配备黄铜阀的铝筒。
对于744255-450G-EU：出口接头：DIN 477-1 no.1、Z742162或Z742164是推荐的调节器。
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Danger
存储类别
2A - Gases
flash_point_f
Not applicable
flash_point_c
Not applicable
target_organs
Respiratory system
hcodes
Hazard Classifications
Acute Tox. 3 Inhalation - Eye Dam. 1 - Press. Gas Liquefied gas - Skin Corr. 1B - STOT SE 1 Inhalation
法规信息
监管及禁止进口产品
此项目有
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)
全球贸易项目编号
| 货号 | GTIN |
|---|---|
| 744255-450G | 04061833022085 |
| 744255-450G-EU | 04061833022108 |