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| CAS号 : | 105-54-4 |
精确质量 : | 116.08400 |
| 分子式 : | C6H12O2 |
logP : | 1.34960 |
| 分子量 : | 116.15800 |
PSA : | 26.30000 |
丁酸乙酯 | |
Ethyl butyrate | |
105-54-4 | |
C6H12O2 | |
116.15800 | |
26.30000 | |
1.34960 | |
116.08400 |
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无色液体带有一种水果的气味
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n20/D 1.392(lit.)
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Stable. Flammable. Incompatible with strong oxidizing agents, acids, bases.
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67 °F
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13.9mmHg at 25°C
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库房通风低温干燥,与氧化剂、酸类分开存放
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-93.3 °C
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0.875 g/mL at 25 °C(lit.)
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practically insoluble
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120 °C(lit.)
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4 (vs air)
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III
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3
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2915600000
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UN 1180 3/PG 3
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1
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R10; R36/37/38
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S16-S26-S36
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ET1660000
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Xi
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2915600000. Butanoic acids, pentanoic acids, their salts and esters |
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品名, 成分含量, 用途 |
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HS:2915600000 丁酸、戊酸及其盐和酯 增值税率:17.0% 退税率:9.0% 监管条件:无 最惠国关税:5.5% 普通关税:30.0% |
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2915600000 butanoic acids and pentanoic acids and their salts and esters VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0% |
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HS: 2915600000 Butanoic acids, pentanoic acids, their salts and esters |
1.主要采用酯化法。以丁酸和乙醇为原料,在硫酸催化剂存在下进行酸化反应,然后经中和、洗涤、干燥、蒸馏而得。 精制方法:常含有丁酸、乙醇、水分和无机酸等杂质。精制时用碳酸氢钠溶液和水分别洗涤,无水硫酸钠或碳酸钾干燥后精馏。也可用无水硫酸铜干燥,然后在干燥氮气流中蒸馏精制。 | |
用于香料、香精萃取和作溶剂。丁酸乙酯可用于日化香精配方中,但用量很小。其广泛应用于食用香精配方中,如香蕉、菠萝等,可调配多种果香型香精和其它香型香精。 |