Gallic acid monohydrate
        
        Molecular Structure:
 
        MDL:
MFCD00002510 
        Molecular Formula:
C7H6O5.xH2O;(HO)3C6H2COOH.xH2O
        Molecular Weight:
	170.12
        Alias:
3,4,5-三羟基苯甲酸,五倍子酸,倍酸,棓酸
        Product order:
        
          
            | Name | Specifications | Packing | Price | Delivery | 
          
            | Gallic acid monohydrate | 分析标准品,>99%(HPLC) | 250mg | RMB 308 | Consulting service | 
          
            | Gallic acid monohydrate | 分析标准品,≥98% | 10mg | RMB 173.8 | Consulting service | 
          
            | Gallic acid monohydrate | AR | 500g | RMB 206.8 | Consulting service | 
        
         
        Character:
白色或灰白色结晶性粉末。无气味,微有酸味,遇光变成棕褐色。热至100-120℃失去结晶水。有收敛性。能溶于热水、醇甘油和丙酮,微溶于醚,不溶于苯、氯仿和石油醚。1g溶于87ml水、3ml沸水、6ml乙醇、100ml乙醚、10ml甘油、5ml丙酮。半数致死量(兔,经口)5g/kg。有刺激性。
        Quality Standard:
项目                                   分析纯  
                                        (AR)
干燥失重Drying loss                   ≤10.0%  
含量Assay(以干品计)                 ≥98.5%(中和滴定)  
硫酸盐Sulfate                         ≤0.01%  
乙醇溶解试验Solubility in alcohol       合格
灼烧残渣Ignition residue              ≤0.05%  
        Storage:
密封避光保存。贮于密闭的容器内。
用途 	试验游离矿酸、二羟基丙酮和生物碱等,电化分析中的去极剂,还原磷钼酸,检定锑、钡、铋、钙、铈和铜等。测定磷、亚硝酸盐、银、钍和钛等。
		
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