Methylsuccinic anhydride
Also known as: 2-Methylsuccinic anhydride, 3-Methyldihydrofuran-2,5-dione, 3-Methyloxolane-2,5-dione, Pyrotartaric anhydride, 3-Methylsuccinic anhydride, Dihydro-3-methyl-2,5-furandione, Succinic anhydride, methyl-, MFCD00005527, EINECS 223-870-5
Methylsuccinic anhydride (CAS 4100-80-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H6O3 and a molecular weight of 114.09900 g/mol. Key properties include a melting point of 33-35ºC(lit.), a boiling point of 239ºC at 760mmHg, a density of 1.23g/cm3 and a flash point of 108.2ºC. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 4100-80-5
- Jingsj CID
- J-47894-4
- Molecular Formula
- C5H6O3
- Molecular Weight
- 114.09900 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 33-35ºC(lit.) |
|---|---|
| Boiling Point | 239ºC at 760mmHg |
| Density | 1.23g/cm3 |
| Flash Point | 108.2ºC |
| Exact Mass | 114.03200 |
| PSA | 43.37000 |
| LogP | 0.09600 |
| Refractive Index | 1.452 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2917190090 |
|---|---|
| Summary | 2917190090 acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Methylsuccinic anhydride?
The CAS number of Methylsuccinic anhydride is 4100-80-5.
What are the molecular formula and molecular weight of Methylsuccinic anhydride?
Methylsuccinic anhydride has molecular formula C5H6O3 and molecular weight 114.09900 g/mol.
Is Methylsuccinic anhydride hazardous?
Methylsuccinic anhydride has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Methylsuccinic anhydride (CAS 4100-80-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-47894-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.