Maleic anhydride, 99%

Name: Maleic anhydride, 99%
Brand: Vaqora Chemicals
SKU: VQ-009146

About Maleic anhydride, 99%

Maleic anhydride (CAS 108-31-6) is an acylating agent offered by Vaqora Chemicals (Synthesis grade) with a typical assay of 99%. With the molecular formula C4H2O3, it has a molar mass of 98.06 g/mol. Its systematic (IUPAC) name is furan-2,5-dione. It is also known as 2,5-Furandione or Toxilic anhydride.

The material typically appears as a white to cream solid. Reported physical data include a density of 1.48 g/cm3. Keep the container tightly sealed and store it in a cool, dry area. It carries the GHS signal word “Danger” with 6 hazard statements. Review the Safety Data Sheet before use.

It is commonly used for corrosion inhibition and enzyme inhibition studies. It is used across pharmaceutical manufacturing and academic and industrial research.

We offer Maleic anhydride in 500 g, 5 kg, 25 kg and 4 x 25 kg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Corrosion inhibition
Enzyme inhibition studies

Industries

Specifications & identifiers

Chemical identifiers
Product name	Maleic anhydride, 99%
Catalogue No.	VQ-009146
CAS Number	108-31-6
IUPAC name	furan-2,5-dione
Molecular formula	C₄H₂O₃
Molecular weight	98.06 g/mol
Exact mass	98.0004
Grade	Synthesis
Purity / assay	99%
HSN code	29171990
InChIKey	FPYJFEHAWHCUMM-UHFFFAOYSA-N
SMILES	C1=CC(=O)OC1=O
PubChem CID	7923

Physical properties
Physical form	Solid
Appearance	White to cream solid
Density	1.48 g/cm3
LogP (XLogP3)	-0.1
H-bond donors / acceptors	0 / 3
TPSA	43.4 Å²
UN number	UN 2215
Synonyms	2,5-Furandione, Toxilic anhydride, Maleic acid anhydride, cis-Butenedioic anhydride, Dihydro-2,5-dioxofuran, 2,5-Furanedione, Anhydrid kyseliny maleinove, Anhydride, Maleic, 2,5-dihydrofuran-2,5-dione, C4H2O3, Maleic Anhydrides, fumaric anhydride

Safety & hazard information (GHS)

Corrosive

Harmful / irritant

Health hazard

Signal word: Danger

Hazard statements

H302Harmful if swallowed
H314Causes severe skin burns and eye damage
H317May cause an allergic skin reaction
H318Causes serious eye damage
H334May cause allergy or asthma symptoms or breathing difficulties if inhaled
H372Causes damage to organs through prolonged or repeated exposure

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

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 108-31-6

AR

Maleic anhydride, GR 99%+

CAS: 108-31-6
Formula: C₄H₂O₃
MW: 98.06 g/mol

VQ-009147

Frequently asked questions

What is the CAS number of Maleic anhydride, 99%?

The CAS Registry Number of Maleic anhydride, 99% is 108-31-6. It is also known as 2,5-Furandione, Toxilic anhydride, Maleic acid anhydride.

What is the molecular formula and molecular weight of Maleic anhydride, 99%?

Maleic anhydride, 99% has the molecular formula C4H2O3 and a molecular weight of 98.06 g/mol. Its IUPAC name is furan-2,5-dione.

Which grade and pack sizes of Maleic anhydride, 99% can I order?

We supply Maleic anhydride, 99% in Synthesis (99%) grade, in 500 g, 5 kg, 25 kg, 4 x 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Maleic anhydride, 99%?

Yes. Every lot of Maleic anhydride, 99% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Maleic anhydride, 99% be shipped internationally?

Yes. Maleic anhydride, 99% is classified as hazardous (UN 2215), so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.