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| CAS号 : | 2224-00-2 |
精确质量 : | 216.07900 |
| 分子式 : | C13H12O3 |
logP : | 2.93670 |
| 分子量 : | 216.23300 |
PSA : | 46.53000 |
1-戊烯-3-炔 | |
2-ethoxynaphthalene-1-carboxylic acid | |
2224-00-2 | |
C13H12O3 | |
216.23300 | |
46.53000 | |
2.93670 | |
216.07900 |
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白色粉末
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156.2ºC
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4.49E-07mmHg at 25°C
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141-145 °C
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398.7ºC at 760 mmHg
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2918990090
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R36/37/38
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S24/25
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Xi
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HS: 2918990090 Other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives |
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品名, 成分含量, 用途 |
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2918990090. 其他含其他附加含氧基羧酸(包括酸酐、酰卤化物、过氧化物和过氧酸及该税号的衍生物). 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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2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
由2-乙氧基萘醛经氧化而得。2-乙氧基萘醛与高锰酸钾在碱性丙酮中经氧化反应后,蒸出丙酮,将反应物酸化至pH为4,得粗品,经乙醇精制后即得2-乙氧基萘甲酸成品。 | |
用于有机合成。该品与氧化亚砜在80℃以下反应2h,减压蒸出过量的氯化亚砜,即得2-乙氧基萘甲酰氯。这是抗菌素类药乙氧萘青霉素钠的中间体。 |