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| CAS号 : | 50-79-3 |
精确质量 : | 189.95900 |
| 分子式 : | C7H4Cl2O2 |
logP : | 2.69160 |
| 分子量 : | 191.01100 |
PSA : | 37.30000 |
2,5-二氯苯甲酸 | |
2,5-Dichlorobenzoic acid | |
50-79-3 | |
C7H4Cl2O2 | |
191.01100 | |
37.30000 | |
2.69160 | |
189.95900 |
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1.599
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白色结晶粉末
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300-302°C
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301 °C(lit.)
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151-154 °C(lit.)
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1.518 g/cm3
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Stable.
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DG6825000
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3
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S26-S36-S24/25
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2916399090
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Xi
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R36/37/38
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品名, 成分含量, 用途, 丙烯酸、丙烯酸盐或酯应报明包装 |
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2916399090 其他芳香一元羧酸. 增值税率:17.0% 退税率:9.0% 监管条件:无 最惠国关税:6.5% 普通关税:30.0% |
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2916399090 other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |
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2916399090. Other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives. General tariff: |
1.光气法 由对二氯苯与光气反应得2,5-二氯苯甲酰氯,再经水解而得。 | |
有机合成中间体。用于合成除草剂豆科威、地草平等，该农药药害少，不受雨天影响。 |
