maleic acid
C₄H₄O₄·116.070 g/mol·CID 444266
IUPAC: (Z)-but-2-enedioic acid
Also known as: 110-16-7, cis-butenedioic acid, Toxilic acid, Maleinic acid, Malenic acid (+14 more)
Molecular Structure
Molecular Propertiesmass · H-bonds · stereo
Molecular Weight
116.070g/mol
Exact Mass
116.010959Da
Monoisotopic Mass
116.010959Da
XLogP
-0.3
Polar Surface Area
74.6Ų
Complexity
119
Formal Charge
0
H-Bond Donors
2
H-Bond Acceptors
4
Rotatable Bonds
2
Heavy Atoms
8
Stereo Centers
0
Bond Stereo
1
Drug-Likeness (Lipinski's Rule of Five)
✓ 116.1 g/mol
MW ≤ 500
✓ -0.3
LogP ≤ 5
✓ 2
H-bond donors ≤ 5
✓ 4
H-bond acceptors ≤ 10
Passes all rules — good oral bioavailability predicted
GHS Hazard Classification
Danger
Hazards
H302Harmful if swallowedH315Causes skin irritationH317May cause an allergic skin reactionH319Causes serious eye irritationH335May cause respiratory irritationH312Harmful in contact with skinH318Causes serious eye damageH370Causes damage to organsH402Harmful to aquatic life
Source: PubChem GHS Classification. Always consult the SDS for handling.
Isomers8 compounds with formula C₄H₄O₄
(E)-but-2-enedioic acid
CID 444972 · 116.1 g/mol
butanedioate
CID 160419 · 116.1 g/mol
1,4-dioxane-2,5-dione
CID 65432 · 116.1 g/mol
but-2-enedioic acid
CID 723 · 116.1 g/mol
(E)-but-2-enedioate;hydron
CID 21883788 · 116.1 g/mol
(Z)-but-2-enedioate;hydron
CID 173000668 · 116.1 g/mol
hydron;(E)-4-hydroxy-4-oxobut-2-enoate
CID 173073039 · 116.1 g/mol
1,4-dioxane-2,6-dione
CID 78232 · 116.1 g/mol