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    | product Name | 1H-Pyrazole-3-carboxylicacid, 5-methyl- |  
    | Synonyms | 3-methyl-1H-pyrazole-5-carboxylic acid; 5-Methyl-1H-pyrazole-3-carboxylic acid; 5-methylpyrazole-3-carboxylic acid |  
    | Molecular Formula | C5H6N2O2 |  
    | Molecular Weight | 126.11 |  
    | InChI | InChI=1/C5H6N2O2/c1-3-2-4(5(8)9)7-6-3/h2H,1H3,(H,6,7)(H,8,9) |  
    | CAS Registry Number | 696-22-0;402-61-9 |  
    | EINECS | 206-953-0 |  
    | Molecular Structure |   |  
    | Density | 1.404 g/cm3 |  
    | Boiling point | 388.8 °C at 760 mmHg |  
    | Refractive index | 1.595 |  
    | Flash point | 188.9 °C |  
    | Vapour Pressur | 9.69E-07mmHg at 25°C |  
    | Hazard Symbols |  Xi:Irritant; 
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    | Risk Codes | R36/37/38:Irritating to eyes, respiratory system and skin.; 
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    | Safety Description | S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.; S37/39:Wear suitable gloves and eye/face protection.;
 
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