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| CAS号 : | 15165-67-0 |
精确质量 : | 233.98500 |
| 分子式 : | C9H8Cl2O3 |
logP : | 2.84530 |
| 分子量 : | 235.06400 |
PSA : | 46.53000 |
精2,4-滴丙酸 | |
(R)-dichlorprop | |
15165-67-0 | |
C9H8Cl2O3 | |
235.06400 | |
46.53000 | |
2.84530 | |
233.98500 |
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164.5ºC
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2-8ºC
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1.421g/cm3
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348.3ºC at 760mmHg
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2918990090
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UN1648 3/PG 2
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R22; R38; R41; R43
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Xn
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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% |
将L-2-氯丙酸甲酯上([α]20D-25.2 o)和甲醇、33%氢氧化钠水溶液于40℃以下混合,在90℃加入到2,4-二氯苯酚、氢氧化钠和水的混合液中,于90℃加热1h,得高2,4-滴丙酸钠盐。D-异构体>87%。 高2,4-滴丙酸可生成各种酯类。dichlorprop-p-isobutyl分子式为C13H16Cl2O3;dichlorprop-p-dimethylammonium分子式为C11H15C轼NO3,C.A.NO. [104786-87-0]。 | |
苯氧基丙酸类除草剂，属激素型内吸性除草剂。对大马蓼、春蓼有特效，对猪殃殃和繁缕有效，对萹蓄无效。用于禾谷类作物推荐用量为1.2～1.5kg有效成分/hm2。 |
