1,5-Naphthalenedisulfonic acid tetrahydrate 
        
        Molecular Structure:
 
        MDL:
MFCD00149265
        Molecular Formula:
	C10H8O6S2; C10H6(SO3H)2·4H2O
        Molecular Weight:
	360.36
        Alias:
	2-萘胺-1,5-二磺酸,萘-1,5-二磺酸 , 磺化吐氏酸, L酸,天蓝酸
Armstrong's acid
        Product order:
        
          
            | Name | Specifications | Packing | Price | Delivery | 
          
            | 1,5-Naphthalenedisulfonic acid tetrahydrate | 97% | 100g | RMB 222.2 | 促销 | 
          
            | 1,5-Naphthalenedisulfonic acid tetrahydrate | 97% | 500g | RMB 851.4 | 促销 | 
        
         
        Character:
	溶于水和乙醇,不溶于醚。
熔点:240-245℃
        Quality Standard:
	外观Appearance                          白色至类白色粉末或结晶
红外光谱鉴别Infrared spectrometry       和对照品匹配
纯度Purity                              ≥97.0% (GC)  
水分Water                               18.0 ~ 23.0 % 
		
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