Isobutyl stearate
硬脂酸异丁酯
Also known as: 2-Methylpropyl octadecanoate, Octadecanoic acid, 2-methylpropyl ester, Stearic acid, isobutyl ester, Isobutyl octadecanoate, Stearic acid 2-methylpropyl ester, Octadecanoic acid isobutyl ester
Isobutyl stearate (CAS 646-13-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C22H44O2 and a molecular weight of 340.584 g/mol. It is also known as 2-Methylpropyl octadecanoate, Octadecanoic acid, 2-methylpropyl ester and Stearic acid, isobutyl ester. Key properties include a melting point of 20ºC, a boiling point of 381.5±10.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 187.7±8.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 646-13-9
- Jingsj CID
- J-888850-7
- Molecular Formula
- C22H44O2
- Chinese Name
- 硬脂酸异丁酯
- Molecular Weight
- 340.584 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 20ºC |
|---|---|
| Boiling Point | 381.5±10.0 °C at 760 mmHg |
| Density | 0.9±0.1 g/cm3 |
| Flash Point | 187.7±8.8 °C |
Frequently Asked Questions
What is the CAS number of Isobutyl stearate?
The CAS number of Isobutyl stearate is 646-13-9.
What are the molecular formula and molecular weight of Isobutyl stearate?
Isobutyl stearate has molecular formula C22H44O2 and molecular weight 340.584 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Isobutyl stearate (CAS 646-13-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-888850-7 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.