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| CAS号 : | 107-96-0 |
精确质量 : | 106.00900 |
| 分子式 : | C3H6O2S |
logP : | 0.39090 |
| 分子量 : | 106.14400 |
PSA : | 76.10000 |
3-巯基丙酸 | |
3-mercaptopropanoic acid | |
107-96-0 | |
C3H6O2S | |
106.14400 | |
76.10000 | |
0.39090 | |
106.00900 |
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n20/D 1.492(lit.)
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透明无色至淡黄色液体在熔点后
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201 °F
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110-111 °C15 mm Hg(lit.)
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17 °C
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soluble
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1.218 g/mL at 25 °C(lit.)
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0.0509mmHg at 25°C
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Has not been fully evaluated.
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Keep away from sources of ignition. Store in a cool, dry place. Store in a tightly closed container. Corrosives area.
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UF5270000
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8
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1
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S7-S26-S36/37/39-S45
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III
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UN 2922 8/PG 2
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2930909090
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T
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R23/24/25; R34
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2933990090
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2933990090. 其他仅含氮杂原子的杂环化合物. 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:20.0% | |
2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
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<p>以丙烯腈、硫脲为原料制得。先将硫脲与盐酸于40℃反应0.5h,滴加丙烯腈,在110-113℃反应3h,冷至40℃加入4%氢氧化钠溶液至pH值为11,脱氢4h后,于30℃用盐酸中和至pH值为1-2。然后加苯提取,回收苯后进行减压蒸馏,收集125-140℃馏分即得成品。此外,由硫化氢与丙酮酸或与β-丙内酯反应也可制得3-巯基丙酸。</p> | |
<p>是医药芬那露中间体（chlormezanone），其还可作抗氧剂，催化剂和生化试剂。</p> |
