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Maleic acid

Chemical Name Maleic acid
Synonyms cis-2-Butenedioic acid;(2Z)-but-2-enedioic acid;methylidenepropanedioic acid;(2E)-but-2-enedioic acid;Cis-Butenedioic acid
Molecular Formula C4H4O4
Molecular Weight 116.0722
InChl InChI=1/C4H4O4/c5-3(6)1-2-4(7)8/h1-2H,(H,5,6)(H,7,8)/b2-1+
CAS Registry Number 110-16-7
EINECS 203-742-5
Molecular Structure 110-16-7  Maleic acid
Density 1.499g/cm3
Melting Point 134-138℃
Boiling Point 355.482°C at 760 mmHg
Refractive Index 1.526
Flash Point 182.981°C
Water Solubility 790 g/L (25℃)
Vapour Pressur 0mmHg at 25°C
Hazard Symbols  Xn##Harmful:;
Risk Codes R22||R36/37/38:;
Safety Description S26||S28A||S37:;
MSDS Material Safety Data Sheet