(S)-(+)-2-Methylbutyric anhydride
(S)-(+)-2-甲基丁酸酐
Also known as: (S)-2-Methylbutanoic anhydride, Butanoic acid, 2-methyl-, 1,1'-anhydride, (2S,2'S)-, [(2S)-2-methylbutanoyl] (2S)-2-methylbutanoate, (S)-(+)-2-Methylbutyric anhydride 95%, (S)-2-methylbutyric acid anhydride, (S)-2-methylbutyric anhydride, (S,S)-(+)-2-methylbutanoic anhydride, 2(S)-methylbutyric anhydride, MFCD00075419
(S)-(+)-2-Methylbutyric anhydride (CAS 84131-91-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H18O3 and a molecular weight of 186.24800 g/mol. It is also known as (S)-2-Methylbutanoic anhydride, Butanoic acid, 2-methyl-, 1,1'-anhydride, (2S,2'S)- and [(2S)-2-methylbutanoyl] (2S)-2-methylbutanoate. Key properties include a boiling point of 60ºC0.2 mm Hg(lit.), a density of 0.934 g/mL at 25ºC(lit.) and a flash point of 194 °F. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 84131-91-9
- Jingsj CID
- J-21878-6
- Molecular Formula
- C10H18O3
- Chinese Name
- (S)-(+)-2-甲基丁酸酐
- Molecular Weight
- 186.24800 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 60ºC0.2 mm Hg(lit.) |
|---|---|
| Density | 0.934 g/mL at 25ºC(lit.) |
| Flash Point | 194 °F |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of (S)-(+)-2-Methylbutyric anhydride?
The CAS number of (S)-(+)-2-Methylbutyric anhydride is 84131-91-9.
What are the molecular formula and molecular weight of (S)-(+)-2-Methylbutyric anhydride?
(S)-(+)-2-Methylbutyric anhydride has molecular formula C10H18O3 and molecular weight 186.24800 g/mol.
Is (S)-(+)-2-Methylbutyric anhydride hazardous?
(S)-(+)-2-Methylbutyric anhydride has GHS signal word Danger.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "(S)-(+)-2-Methylbutyric anhydride (CAS 84131-91-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-21878-6 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.