Ethyl 2-mercaptopropionate
2-巯基丙酸乙酯
Also known as: 2-Mercaptopropionic Acid Ethyl Ester, Ethyl thiolactate, Ethyl 2-sulfanylpropanoate, Ethyl 2-thiolpropanoate, Propanoic acid, 2-mercapto-, ethyl ester, FEMA 3279, MFCD00040233
Ethyl 2-mercaptopropionate (CAS 19788-49-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H10O2S and a molecular weight of 134.19700 g/mol. It is also known as 2-Mercaptopropionic Acid Ethyl Ester, Ethyl thiolactate and Ethyl 2-sulfanylpropanoate. Key properties include a boiling point of 40-41 °C1 mm Hg(lit.), a density of 1.031 g/mL at 25 °C(lit.) and a flash point of 137 °F. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 19788-49-9
- Jingsj CID
- J-18250-6
- Molecular Formula
- C5H10O2S
- Chinese Name
- 2-巯基丙酸乙酯
- Molecular Weight
- 134.19700 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 40-41 °C1 mm Hg(lit.) |
|---|---|
| Density | 1.031 g/mL at 25 °C(lit.) |
| Flash Point | 137 °F |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of Ethyl 2-mercaptopropionate?
The CAS number of Ethyl 2-mercaptopropionate is 19788-49-9.
What are the molecular formula and molecular weight of Ethyl 2-mercaptopropionate?
Ethyl 2-mercaptopropionate has molecular formula C5H10O2S and molecular weight 134.19700 g/mol.
Is Ethyl 2-mercaptopropionate hazardous?
Ethyl 2-mercaptopropionate has GHS signal word Warning.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Ethyl 2-mercaptopropionate (CAS 19788-49-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-18250-6 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.