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| CAS号 : | 88-14-2 |
精确质量 : | 112.01600 |
| 分子式 : | C5H4O3 |
logP : | 0.97780 |
| 分子量 : | 112.08300 |
PSA : | 50.44000 |
糠酸 | |
2-furoic acid | |
88-14-2 | |
C5H4O3 | |
112.08300 | |
50.44000 | |
0.97780 | |
112.01600 |
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n20/D 1.531(lit.)
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白色至淡黄色晶体粉末
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185 °F
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173-174 °C(lit.)
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−2 °C(lit.)
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36 g/L (20 ºC)
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1.324 g/mL at 25 °C(lit.)
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0.033mmHg at 25°C
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Stable under normal temperatures and pressures.
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Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
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GHS07 | |
警告 | |
H315; H319; H335 | |
P305 + P351 + P338 | |
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LV1763000
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29321900
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3
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S26-S36/37/39-S45-S36
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UN 3265 8/PG 2
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C
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R34; R36/37/38
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2933990090
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2933990090. 其他仅含氮杂原子的杂环化合物. 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:20.0% | |
2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
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<p>1.由糖醛经空气氧化而得。反应在45℃,强烈搅拌下进行。将反应物过滤回收催化剂氧化铜,滤液用50%硫酸酸化至pH为3-2.5,吸滤,水洗,烘干即得糠酸。将糠醛在中性或碱性介质中,用次氯酸钠或高锰酸钾氧化2h,再用盐酸酸化,也可制得糠酸,收率右达98%。 <br>2. 烟草:OR,44;FC,9;OR,26;BU,26。</p> | |
<p>1.糠酸用于合成甲基呋喃,糠酰胺及糠酸酯和盐。在塑料工业中可用于增塑剂,热固性树脂等。在食品工业中用作防腐剂、杀菌剂,也用作涂料添加剂,医药。香料等的中间体。 <br>2.用于合成呋脲青霉素和头孢噻唑等。</p> |
