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    | product Name | Piperonylic acid |  
    | Synonyms | 3,4-Methylenedioxybenzoic acid; Piperonylic  acid,  (3,4-Methylenedioxybenzoic acid); 3,4-Methylendioxy-benzoic acid; 1-3-Benzodioxole-5-carboxylic acid~3,4-(Methylenedioxy)benzoic acid; 1,3-benzodioxole-5-carboxylic acid |  
    | Molecular Formula | C8H6O4 |  
    | Molecular Weight | 166.1308 |  
    | InChI | InChI=1/C8H6O4/c9-8(10)5-1-2-6-7(3-5)12-4-11-6/h1-3H,4H2,(H,9,10) |  
    | CAS Registry Number | 94-53-1 |  
    | EINECS | 202-342-8 |  
    | Molecular Structure |   |  
    | Density | 1.468g/cm3 |  
    | Melting point | 229-235℃ |  
    | Boiling point | 324.6°C at 760 mmHg |  
    | Refractive index | 1.612 |  
    | Flash point | 139.6°C |  
    | Water solubility | slightly soluble |  
    | Vapour Pressur | 9.95E-05mmHg at 25°C |  
    | Hazard Symbols |  Xn:Harmful; 
 |  
    | Risk Codes | R22:; R37/38:;
 R41:;
 
 |  
    | Safety Description | S26:; S36/37/39:;
 
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