4-Aminosalicylic acid
        
        Molecular Structure:
 
        MDL:
MFCD00007789 
        Molecular Formula:
C7H7NO3;H2NC6H3-2-(OH)CO2H
        Molecular Weight:
	153.14
        Alias:
	4-氨基水杨酸,4-氨基柳酸,4-氨基-2-羟基苯甲酸,4-氨基-2-羟基苯甲酸
4-Amino-2-hydroxybenzoic acid
PAS 
        Product order:
        
          
            | Name | Specifications | Packing | Price | Delivery | 
          
            | 4-Aminosalicylic acid | 98% | 100g | RMB 88 | Consulting service | 
          
            | 4-Aminosalicylic acid | 98% | 500g | RMB 429 | Consulting service | 
        
         
        Character:
	无气味或微有酸的气味。对光敏感。露于空气中易变棕色。溶解度: 2 g/L水 (20°C)、1g/21ml乙醇,溶于稀硝酸、稀氢氧化钠溶液,微溶于乙醚,几乎不溶于苯。
熔点:145℃
  	40℃以上时水溶液不稳定,分解并放出二氧化碳而成间氨基酚。(分解起泡)。最大吸收波长(0.1mol/L盐酸中)265.300mm。半数致死量(小鼠,经口)4g/kg。有刺激性。
        Quality Standard:
	外观Appearance                                  白色至浅黄色粉末
红外光谱鉴别Infrared spectrometry               和对照品匹配
纯度Purity                                      ≥98% (Titration with NaOH)
熔点范围Melting range,℃(分解)                  140-145
醇溶解试验Solubility in athanol                 合格
碳酸氢钠溶解试验Solubility in NaHCO3            合格
间氯基酚m-Aminoplenol,%                         ≤0.3
灼烧残渣(以硫酸盐计)Ignition residue,%        ≤0.1
        Storage:
	密封避光保存
		
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