Chloromethyl butyrate
Also known as: Chloromethyl butanoate, Butanoic acid, chloromethyl ester, Butyric Acid Chloromethyl Ester, butyryloxymethyl chloride, propylcarbonyloxymethyl chloride, chloromethyl n-butyrate, chloromethyl n-butanoate, chloro methyl butyrate
Chloromethyl butyrate (CAS 33657-49-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H9ClO2 and a molecular weight of 136.57700 g/mol. Key properties include a boiling point of 150ºC, a density of 1.09 and a flash point of 55ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 33657-49-7
- Jingsj CID
- J-1525330-9
- Molecular Formula
- C5H9ClO2
- Molecular Weight
- 136.57700 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 150ºC |
|---|---|
| Density | 1.09 |
| Flash Point | 55ºC |
| Exact Mass | 136.02900 |
| PSA | 26.30000 |
| LogP | 1.52600 |
| Refractive Index | 1.419-1.421 |
Frequently Asked Questions
What is the CAS number of Chloromethyl butyrate?
The CAS number of Chloromethyl butyrate is 33657-49-7.
What are the molecular formula and molecular weight of Chloromethyl butyrate?
Chloromethyl butyrate has molecular formula C5H9ClO2 and molecular weight 136.57700 g/mol.
What are the upstream and downstream products of Chloromethyl butyrate?
For Chloromethyl butyrate, Upstream Products: Chloromethyl chlorosulfate, Butyric acid, Formaldehyde; Downstream Products: Triethylamine hydrochloride.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Chloromethyl butyrate (CAS 33657-49-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1525330-9 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.