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| CAS号 : | 50583-51-2 |
精确质量 : | 418.09000 |
| 分子式 : | C20H18O10 |
logP : | 1.62400 |
| 分子量 : | 418.35100 |
PSA : | 145.66000 |
L-(-)-二对甲氧基苯甲酰酒石酸 | |
(-)-Bis(4-methoxybenzoyl)-L-tartaric Acid | |
50583-51-2 | |
C20H18O10 | |
418.35100 | |
145.66000 | |
1.62400 | |
418.09000 |
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-168 ° (C=1, EtOH)
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白色至淡黄色晶体粉末
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241.638ºC
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681.554ºC at 760 mmHg
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193-195°C
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1.408 g/cm3
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WT4800000
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3
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2.3
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S26; S36/37/39; S38
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UN 2418 2.3
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T+; C
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R14; R26; R34; R37
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2918990090
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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% |
