Methylsuccinic anhydride
Methylsuccinic anhydride (CAS: 4100-80-5, C5H6O3) is a chemical compound with a molecular weight of 114.10 g/mol. As a cyclic anhydride, it serves as a valuable monomer in polymer science and materials research. Its chemical structure lends itself to various synthetic applications, particularly in the development of new polymers and organic intermediates. Tech Serve Solutions offers this compound for research and industrial purposes.
- IUPAC
- Pyrotartaric anhydride

Monomer for Polymer Synthesis
Methylsuccinic anhydride can be utilized as a monomer in the synthesis of polyesters and other polymers. Its incorporation can modify polymer properties such as flexibility and thermal stability.
Intermediate in Organic Synthesis
This anhydride is a useful building block in organic chemistry for creating more complex molecules. It can participate in reactions like esterification and amidation.
Materials Science Research
Researchers in materials science may employ methylsuccinic anhydride for developing novel materials with specific functional characteristics. Its reactive anhydride group allows for diverse chemical modifications.
| Molecular weight | 114.10 |
|---|---|
| Empirical formula | C5H6O3 |
| Assay | 98% |
| Boiling point | 238-240 °C(lit.) |
| Density | 1.22 g/mL at 25 °C(lit.) |
| Melting point | 33-35 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Flash point | 113 °C / 235.4 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-37/39 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Methylsuccinic anhydride used for?
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Methylsuccinic anhydride is primarily used as a monomer in polymer science and as an intermediate in organic synthesis for creating new molecules and materials.
What is the CAS number and formula for Methylsuccinic anhydride?
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The CAS number for Methylsuccinic anhydride is 4100-80-5, and its empirical formula is C5H6O3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Methylsuccinic anhydride with an assay of 98%. This product is not represented as USP, BP, or EP grade.
What are the safety and handling requirements for Methylsuccinic anhydride?
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Methylsuccinic anhydride is classified with GHS07 signal word 'Warning', with hazard statements H315, H319, and H335, indicating it causes skin irritation, serious eye irritation, and may cause respiratory irritation. Recommended personal protective equipment includes a dust mask type N95 (US), eyeshields, and gloves. Ensure adequate ventilation and avoid breathing dust.
Is Methylsuccinic anhydride a controlled substance?
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The provided data does not indicate that Methylsuccinic anhydride is a controlled substance.
How is Methylsuccinic anhydride packed, shipped, and exported?
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Methylsuccinic anhydride is available from Tech Serve Solutions, a global supplier and exporter. Specific packing and shipping details are provided upon request.
How can I request a sample or quote for Methylsuccinic anhydride?
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To request a sample or a quote for Methylsuccinic anhydride, please contact the Tech Serve Solutions sales team directly.
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