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| CAS号 : | 110-81-6 |
精确质量 : | 122.02200 |
| 分子式 : | C4H10S2 |
logP : | 2.40760 |
| 分子量 : | 122.25200 |
PSA : | 50.60000 |
二乙基二硫醚 | |
Diethyl disulfide | |
110-81-6 | |
C4H10S2 | |
122.25200 | |
50.60000 | |
2.40760 | |
122.02200 |
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n20/D 1.506(lit.)
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5.9 (vs air)
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透明至黄色液体
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104 °F
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152 °C
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95-98.5 °C(lit.)
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0.993 g/mL at 25 °C(lit.)
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18.394mmHg at 25°C
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Stable under normal temperatures and pressures.
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-20ºC
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JO1925000
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3
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3
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S26-S39-S37/39-S16-S36
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III
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UN 1993 3/PG 3
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Xi
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R10; R36/37/38
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2930909090
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品名, 成分含量, 用途 |
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2930909090. 其他有机硫化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:30.0% |
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2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
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2930909090. Other Organo-sulphur compounds. General tariff:6.5% |
其制备方法是在反应釜内先放人硫化钠溶液，按硫化钠∶硫=1∶1(摩尔比)投料投入硫磺粉，夹套升温，在搅拌下，当温度达到80～95℃时保温1h即成二硫化二钠(Na2 | |
用作有机合成中间体。 |
