2,3-Dimethylmaleic anhydride, 98%

Name: 2,3-Dimethylmaleic anhydride, 98%
Brand: Vaqora Chemicals
SKU: VQ-019066

About 2,3-Dimethylmaleic anhydride, 98%

2,3-Dimethylmaleic anhydride is a polymer additive carrying the CAS registry number 766-39-2 at a purity of 98%. With the molecular formula C6H6O3, it has a molar mass of 126.11 g/mol. Systematically, it is named 3,4-dimethylfuran-2,5-dione. Alternative names: Dimethylmaleic anhydride and 2,5-Furandione, 3,4-dimethyl-.

In its supplied form it is white to orange to green powder or crystals. Literature values give a melting point of 93-96 °C. Keep the container tightly sealed and store it in a cool, dry area. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

It is commonly used for polymerisation initiation, plasticising and modification, plastics compounding and organic synthesis. It is used across polymers and plastics.

Vaqora Chemicals supplies 2,3-Dimethylmaleic anhydride in 5 g, 25 g and 1 kg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Polymerisation initiation
Plasticising & modification
Plastics compounding
Organic synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	2,3-Dimethylmaleic anhydride, 98%
Catalogue No.	VQ-019066
CAS Number	766-39-2
IUPAC name	3,4-dimethylfuran-2,5-dione
Molecular formula	C₆H₆O₃
Molecular weight	126.11 g/mol
Exact mass	126.0317
Purity / assay	98%
HSN code	29335990
InChIKey	MFGALGYVFGDXIX-UHFFFAOYSA-N
SMILES	CC1=C(C(=O)OC1=O)C
PubChem CID	13010

Physical properties
Physical form	Crystalline
Appearance	White to orange to green powder or crystals
Melting point	93-96 °C
LogP (XLogP3)	0.6
H-bond donors / acceptors	0 / 3
TPSA	43.4 Å²
Synonyms	Dimethylmaleic anhydride, 2,5-Furandione, 3,4-dimethyl-, Pyrocinchonic anhydride, Maleic anhydride, dimethyl-, Dimethylmaleic acid anhydride, alpha,beta-Dimethylmaleic anhydride, 2,3-dimethyl maleic anhydride, 3,4-Dimethyl-2,5-furandione, 3,4-Dimethyl-furan-2,5-dione, dimethyl-2,5-dihydrofuran-2,5-dione, 2_3_dimethyl_maleic_anhydride, 2,3-Dimethylmaleic acid anhydride

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

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 766-39-2

Reference Standard

3,4-Dimethyl-2,5-Furandione

CAS: 766-39-2
Formula: C₆H₆O₃
MW: 126.11 g/mol

In stock

Frequently asked questions

What is the CAS number of 2,3-Dimethylmaleic anhydride, 98%?

The CAS Registry Number of 2,3-Dimethylmaleic anhydride, 98% is 766-39-2. It is also known as Dimethylmaleic anhydride, 2,5-Furandione, 3,4-dimethyl-, Pyrocinchonic anhydride.

What is the molecular formula and molecular weight of 2,3-Dimethylmaleic anhydride, 98%?

2,3-Dimethylmaleic anhydride, 98% has the molecular formula C6H6O3 and a molecular weight of 126.11 g/mol. Its IUPAC name is 3,4-dimethylfuran-2,5-dione.

Which grade and pack sizes of 2,3-Dimethylmaleic anhydride, 98% can I order?

We supply 2,3-Dimethylmaleic anhydride, 98% in (98%) grade, in 5 g, 25 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 2,3-Dimethylmaleic anhydride, 98%?

Yes. Every lot of 2,3-Dimethylmaleic anhydride, 98% 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 2,3-Dimethylmaleic anhydride, 98% be shipped internationally?

Yes. 2,3-Dimethylmaleic anhydride, 98% is classified as hazardous, 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.