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| CAS号 : | 93-18-5 |
精确质量 : | 172.08900 |
| 分子式 : | C12H12O |
logP : | 3.23850 |
| 分子量 : | 172.22300 |
PSA : | 9.23000 |
乙位萘乙醚 | |
2-Ethoxynaphthalene | |
93-18-5 | |
C12H12O | |
172.22300 | |
9.23000 | |
3.23850 | |
172.08900 |
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1.59012 (36ºC)
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白色晶体片
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134°C
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282°C
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35-37 °C(lit.)
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insoluble
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1.06
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Stable under normal temperatures and pressures.
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Store in a cool, dry place. Store in a tightly closed container.
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QJ6900000
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2
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S26-S36-S24/25
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Xi
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R38
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2909309090
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品名, 成分含量, 用途 |
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2909309090 其他芳香醚及其卤化衍生物、磺化、硝化衍生物（包括亚硝化衍生物）。监管条件:无。增值税率:17.0%。退税率:9.0%。最惠国关税:5.5%。普通关税:30.0% |
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2909309090 other aromatic ethers and their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0% |
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HS:2909309090.Other aromatic ethers and their halogenated, sulphonated, nitrated or nitrosated derivatives. General tariff:5.5% |
1.由2-萘酚在硫酸存在下与乙醇醚化而得。将2-萘酚溶于无水乙醇,滴加浓硫酸,加热回流10h。反应液倾入5%的氢氧化钠液中,析出灰白色结晶,过滤,用冷水洗至pH=7.5,干燥,得2-乙氧基萘。收率96%。粗品可用减压蒸馏精制,收集138-140℃(1.6kPa)馏分。也可由硫酸二乙酯或卤代乙烷与2-萘酚钠盐反应来制取。 | |
本品用于香皂盒化妆品香料,起增甜和增香剂的作用;也用于制造具有草莓、浆果、樱桃、咖啡、石榴、李子、草莓水果香味,以及红茶香味的香料。 |
