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| CAS号 : | 86-55-5 |
精确质量 : | 172.05200 |
| 分子式 : | C11H8O2 |
logP : | 2.53800 |
| 分子量 : | 172.18000 |
PSA : | 37.30000 |
1-萘甲酸 | |
1-Naphthoic Acid | |
86-55-5 | |
C11H8O2 | |
172.18000 | |
37.30000 | |
2.53800 | |
172.05200 |
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白色至灰白色晶体
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1.46 (20ºC)
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Stable. Incompatible with strong bases, strong oxidizing agents.
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195°C
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Store in a cool, dry, well-ventilated area away from incompatible substances. Keep containers tightly closed.
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157-160 °C(lit.)
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1.398
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300 °C(lit.)
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2916399090
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2
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R36/37/38
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S26-S36-S24/25-S37
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QL0960000
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Xi
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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: |
先将1-溴萘与镁屑、绝对乙醚在少许碘存在下制成1-萘基溴化镁,用苯溶解后,通入二氧化碳,控制在-7--2℃反应。。然后慢慢加入25%硫酸,直至反应不再进行且过量镁溶解为止。分出苯层,用25%氢氧化钠溶液提取其中的1-萘甲酸,再用50%硫酸酸化析出粗品,用甲苯重结晶,得成品,收率约70%。 | |
用作摄影片基原料;在感光树脂方面用于印刷电路板、制版薄膜、光致抗蚀剂、感光增敏剂;特殊树脂的改性添加剂。 |
