Maleic anhydride
Properties
- Molecular formula
- C4H2O3
- Molar mass
- 98.06 g/mol
- Exact mass
- 98.0004 Da
- Density
- 1.48 g/mL
- Melting point
- 52.8 °C
- Boiling point
- 202 °C
- Flash point
- 102 °C (closed cup)
- Water solubility
- soluble
- logP
- -0.37Crippen estimate
- Polar surface area
- 43.4 Ų
- H-bond donors / acceptors
- 0 / 3
- Rotatable bonds
- 0
Hazards
Danger
- H302 Harmful if swallowedAcute toxicity, oral
- H314 Causes severe skin burns and eye damageSkin corrosion/irritation
- H317 May cause an allergic skin reactionSensitization, Skin
- H318 Causes serious eye damageSerious eye damage/eye irritation
- H334 May cause allergy or asthma symptoms or breathing difficulties if inhaledSensitization, respiratory
- H372 Causes damage to organs through prolonged or repeated exposureSpecific target organ toxicity, repeated exposure
Harmonised EU classification (CLP Annex VI), via PubChem.
Precautionary statements
P233, P260, P261, P264, P264+P265, P270, P271, P272, P280, P284, P301+P317, P301+P330+P331, P302+P352, P302+P361+P354, P304+P340, P305+P354+P338, P316, P317, P319, P321, P330, P333+P317, P342+P316, P362+P364, P363, P403, P405, P501
Identifiers
CAS number
108-31-6SMILES
O=C1C=CC(=O)O1InChIKey
FPYJFEHAWHCUMM-UHFFFAOYSA-NInChI
InChI=1S/C4H2O3/c5-3-1-2-4(6)7-3/h1-2HWeigh it out
Type any one amount. The others follow from the molar mass and density.
Names and synonyms
22 names · show all
- 2,5-Furandione
- cis-Butenedioic anhydride
- Maleic acid anhydride
- Toxilic anhydride
- Dihydro-2,5-dioxofuran
- BM 10
- Nourymix MA 901
- Crystal man
- Crystal man AB
- NSC 137651
- NSC 137652
- NSC 137653
- NSC 9568
- HG 3-993-76
- M 188
- 2,5-Dihydrofuran-2,5-dione
- SY-A
- WS 8201
- GR 216
- A 1018
- Baolilong A 1018
- HA 59
Reactions
Work with Maleic anhydride
Predict the NMR spectrum1H and 13C shifts with multiplicities
Make a solutionWhat to weigh for any molarity and volume
Check drug-likenessLipinski, Veber and lead-likeness
Boiling point under vacuumAt any pressure, from its normal boiling point
Isotope patternExact mass and the mass spectrum pattern
Similar compounds
Ethylene-maleic anhydride copolymer9006-26-280 % similar
Crotonic anhydride623-68-765 % similar
Maleic anhydride-methyl vinyl ether copolymer9011-16-955 % similar
Acrylic acid-maleic anhydride copolymer26677-99-652 % similar
Acrylic anhydride2051-76-550 % similar
Dimethyl maleate624-48-650 % similar
Dimethyl fumarate624-49-750 % similar
Diethyl maleate141-05-943 % similar
Tanimoto similarity of circular fingerprints over the whole catalogue. All similar compounds