Methyl 4-hydroxybenzoate
        
        Molecular Structure:
 
        MDL:
--MFCD00002352
        Molecular Formula:
C8H8O3;HOC6H4CO2CH3
        Molecular Weight:
152.15
        Alias:
尼泊金甲酯,4-羟基苯甲酸甲酯,对羟基安息香酸甲酯,泊金M,尼泊金
p-Hydroxybenzoic acid methyl ester
Methyl paraben
        Product order:
        
          
            | Name | Specifications | Packing | Price | Delivery | 
          
            | Methyl 4-hydroxybenzoate | AR | 100g | RMB 74.8 | 现货 | 
          
            | Methyl 4-hydroxybenzoate | 分析标准品,99.5% | 250mg | RMB 308 | Consulting service | 
          
            | Methyl 4-hydroxybenzoate | AR | 500g | RMB 198 | 现货 | 
        
         
        Character:
无色针状结晶或结晶性粉末。无气味或微有刺激性焦灼味。溶于醇、醚和丙酮,微溶于苯和四氯化碳,难溶于水(1g/400ml)。半数致死量(小鼠,腹腔)960mg/kg。有刺激性。
沸点:298.6℃
熔点:125-128℃
        Quality Standard:
 	 
  	项目Item                         分析纯     化学纯
                                            (AR)        (CP)
含量(C8H8O3)Assay,%                    ≥99.0        98.0
熔点范围Melting point,℃              125.0~128.0  124.0~127.0
灼烧残渣(以硫酸盐计)Ignition residue,%    ≤0.1          0.1
酸度Acidity                                 合格        合格
氯化物(Cl)Chloride,%                      ≤0.01        0.02
硫酸盐(SO4)Sulfate,%                      ≤0.01        0.02
        Storage:
密封保存。
用途 	在医药工业中用作药剂的防腐杀菌剂,也用于有机合成及食品;香料;胶片等的护腐添加剂。
		
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