推荐产品
蒸汽密度
2.1 (vs air)
蒸汽压
26.24 psi ( 55 °C)
7.79 psi ( 20 °C)
方案
≥99%
自燃温度
402 °F
expl. lim.
19.7 %
存货情况
available only in EU
折射率
n20/D 1.435 (lit.)
沸点
38 °C (lit.)
mp
−98 °C (lit.)
溶解性
water: soluble 7.28 g/L at 20 °C
密度
0.846 g/mL at 25 °C (lit.)
储存温度
2-8°C
SMILES字符串
CSC
InChI
1S/C2H6S/c1-3-2/h1-2H3
InChI key
QMMFVYPAHWMCMS-UHFFFAOYSA-N
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一般描述
Dimethyl sulfide (DMS) is a biogenic sulfur compound that is released from the ocean to the atmosphere. It forms the main component of the global sulfur cycle. The thermal decomposition behavior of dimethyl sulfide in gas phase has been investigated in a static system at 681-723K. The mechanism of its photochemical oxidation in atmosphere has been described. The rate constants of the gas phase reaction between OH radicals and DMS have been determined by relative rate method and flash photolysis. The differential Raman cross section, σDMS at different excitation wavelengths has been measured. The adsorption of DMS on activated carbons (ACs) has been reported to take place by hydrogen bonding.
应用
Dimethyl sulfide may be used to prepare methanethiol by thiolation reaction with hydrogen sulfide (H2S) in the presence of tungsten-zirconia (WO3/ZrO2) catalyst.
法律信息
Arkema 产品
警示用语：
Danger
危险声明
危险分类
Flam. Liq. 2
储存分类代码
3 - Flammable liquids
WGK
WGK 1
闪点(°F)
-32.8 °F - closed cup
闪点(°C)
-36 °C - closed cup
个人防护装备
Eyeshields, Faceshields, Gloves
法规信息
危险化学品
Adsorption of dimethyl sulfide vapors by activated carbons.
Goyal M, et al.
Colloids and Surfaces. A, Physicochemical and Engineering Aspects, 322(1), 164-169 (2008)
The reaction of OH radicals with dimethyl sulfide.
Wallington TJ, et al.
International Journal of Chemical Kinetics, 18(8), 837-846 (1986)
Thiolation of dimethyl sulfide to methanethiol over WO3/ZrO2 catalysts.
Chen S, et al.
J. Mol. Catal. A: Chem., 365, 60-65 (2012)
The pyrolysis of dimethyl sulfide, kinetics and mechanism.
Shum LGS and Benson SW.
International Journal of Chemical Kinetics, 17(7), 749-761 (1985)
Differential Raman cross section of dimethyl sulfide.
Barletta RE and Roe CH.
Journal of Raman Spectroscopy, 42(1), 117-121 (2011)
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