Maleic Acid

Base Information

• Chemical Name: Maleic Acid
• CAS No.: 68307-91-5
• Deprecated CAS: 1975169-66-4
• Molecular Formula: C4H4O4
• Molecular Weight: 116.07
• European Community (EC) Number: 203-742-5,607-861-7
• ICSC Number: 1186
• NSC Number: 25940
• UN Number: 2215,3261
• UNII: 91XW058U2C
• DSSTox Substance ID: DTXSID8021517
• Nikkaji Number: J2.446E
• Wikipedia: Maleic_acid
• Wikidata: Q42038
• NCI Thesaurus Code: C25951
• RXCUI: 1426330
• Pharos Ligand ID: G85TY71W8BTL
• Metabolomics Workbench ID: 37118
• ChEMBL ID: CHEMBL539648

Synonyms:hydrogen maleate;maleate;maleic acid;maleic acid, ammonium salt;maleic acid, calcium salt;maleic acid, dipotassium salt;maleic acid, disodium salt;maleic acid, iron salt;maleic acid, monoammonium salt;maleic acid, monocopper (2+) salt;maleic acid, monosodium salt;maleic acid, neodymium salt;maleic acid, potassium salt;maleic acid, sodium salt;sodium maleate

Chemical Property of Maleic Acid

Chemical Property:

• Boiling Point: 355.5 °C at 760 mmHg
• Flash Point: 183 °C
• Density: 1.499 g/cm³
• XLogP3: -0.3
• Hydrogen Bond Donor Count: 2
• Hydrogen Bond Acceptor Count: 4
• Rotatable Bond Count: 2
• Exact Mass: 116.01095860
• Heavy Atom Count: 8
• Complexity: 119
• Transport DOT Label: Corrosive

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

• Chemical Classes: UVCB,Other Classes -> Organic Acids
• Canonical SMILES: C(=CC(=O)O)C(=O)O
• Isomeric SMILES: C(=C\C(=O)O)\C(=O)O
• Recent ClinicalTrials: Comparing Different Single and Combination Chelating Agents on Sealer Penetration and Dentin Erosion.
• Inhalation Risk: Evaporation at 20 °C is negligible; a harmful concentration of airborne particles can, however, be reached quickly when dispersed, especially if powdered.
• Effects of Short Term Exposure: The substance is severely irritating to the eyes. The substance is irritating to the skin and respiratory tract.
• Effects of Long Term Exposure: Repeated or prolonged contact with skin may cause dermatitis. Repeated or prolonged contact may cause skin sensitization.

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