Maleic acid 110-16-7

Chemical Encyclopedia

March 3, 2026

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Chinese name: maleic acid
english name: Maleic acid
chinese alias: malic acid; Malic acid; Malic acid
english alias: cis-2-Butenedioic Acid; 2-Butenedioicacid (2Z)-; Maleic Acid; Maleic acid; cis-Butenedioic acid,Toxilic acid; 2-Butenedioic acid (Z) -;
CAS No:110-16-7
chemical formula: C4H4O4
molecular weight:116.072
density:1.59
melting point:134-138 ℃
boiling point:355.482°C at 760 mmHg
flash Point:127 ℃
vapor pressure: 0mmHgat25°C
Refractive index:1.526
stability: Stable.Combustible.Incompatiblewithstrongoxidizingagents,bases.
Symbol: GHS05,GHS07
signal word: danger
packing grade: III
Caring statements: P280;P301 P312 P330;P305 P351 P338 P310
hazard Statement: H302 H312;H315;H317;H318;H335
dangerous Goods Transport No: UN2215
hazard Category Code: r22: Harmful if swallowed. R36/37/38 Irritating to eyes, respiratory tract and skin.
Dangerous Goods Marking: xn: Hazardous substances
safety instructions: s26: In case of contact with eyes, immediately rinse with plenty of water and send to a doctor for treatment. S37: Use suitable protective gloves.
Storage conditions: StoreatRT.