C4H4O4
116.07 g/mol
Industrial ChemicalWarning
Maleic acid
CAS110-16-7EC203-742-5
Category
Industrial Chemical
Compound Class
Organic Acid
Primary Use
Intermediate for resins and coatings
Maleic acid is an organic compound serving as an intermediate in the production of resins and coatings. It is also used in textile processing and as a preservative for oils and fats.
Intermediate for alkyd and polyester resinsSurface coatingsDyeing and finishing of textiles (wool, cotton, silk)
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
ReferenceSame Category
N,N,N',N'-tetramethylethylenediamine
CAS110-18-9
Preparation of epoxy curing agents
ReferenceSame Category
Oleoyl sarcosine
CAS110-25-8
Corrosion inhibitor and lubricating agent
ReferenceSame Category
2-heptanone
CAS110-43-0
Industrial solvent for resins and lacquers
ReferenceSame Category
2-methoxyethyl acetate
CAS110-49-6
Industrial solvent for nitrocellulose and coatings
Referencestereoisomer of
Fumaric acid
CAS110-17-8
acidulant in food processing and preservation
Referencestereoisomer of
Iron(II) fumarate
CAS141-01-5
pharmaceutical raw material
Safety Reference
Warning
H302Harmful if swallowed
H315Causes skin irritation
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H335May cause respiratory irritation
H312Harmful in contact with skin
H318Causes serious eye damage
H370Causes damage to organs
H402Harmful to aquatic life
Customs Tariff Classification
The international HS code for Maleic acid (CAS 110-16-7) is 2917.19.
HS code (international, 6-digit)
2917.19
EU CN code (8-digit)
2917 19 80
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
(Z)-but-2-enedioic acid
InChIKey
VZCYOOQTPOCHFL-UPHRSURJSA-N
SMILES
C(=C\C(=O)O)\C(=O)O
Synonyms (57)
- MAE
- Maleic acid, European Pharmacopoeia (EP)
- Maleic acid, United States Pharmacopeia (USP)
- (2Z)-2-Butenedioic acid
- (2Z)-Butene-2-dioate
- (2Z)-Butene-2-dioic acid
- (2Z)-but-2-enedioic acid
- (Z)-2-Butenedioate
- (Z)-2-Butenedioic acid
- (Z)-Butenedioic acid
- (Z)-but-2-enedioic acid
- (z)-butenedioate
- 1, (Z)
- 1ahy
- 1tok
- 2-Butenedioate
- 2-Butenedioic acid (2Z)-
- 2-Butenedioic acid (Z)-
- But-2-enedioic acid
- Butenedioic acid, (Z)-
- Cis-butenedioate
- H2male
- Kyselina maleinova
- Kyselina maleinova [Czech]
- MALEIC ACID [MART.]
- MALIC ACID IMPURITY B
- Maleic Acid (Standard)
- Maleic acid (8CI)
- Maleic acid CRS
- Maleic acid, for synthesis
- Maleinic acid
- Malenic acid
- Malezid CM
- Toxilic acid
- bis-hydrogen maleate
- cis-2-Butenedioic acid
- cis-but-2-enedioic acid
- cis-butenedioic acid
- maleate
- maleic acid
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