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2-METHOXY-PENT-4-YNOIC ACID ETHYL ESTER

2-甲氧基-4-戊炔酸乙酯

Also known as: ethyl 2-methoxypent-4-ynoate, 4-Pentynoic acid, 2-methoxy-, ethyl ester, 2-methoxy-pent-4-ynoic acid ethyl ester

2-METHOXY-PENT-4-YNOIC ACID ETHYL ESTER (CAS 66313-10-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H12O3 and a molecular weight of 156.17900 g/mol. It is also known as ethyl 2-methoxypent-4-ynoate, 4-Pentynoic acid, 2-methoxy-, ethyl ester and 2-methoxy-pent-4-ynoic acid ethyl ester. Key properties include a boiling point of 206ºC at 760 mmHg, a density of 1.01g/cm3 and a flash point of 77.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
66313-10-8
Jingsj CID
J-908202-1
Molecular Formula
C8H12O3
Chinese Name
2-甲氧基-4-戊炔酸乙酯
Molecular Weight
156.17900 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point206ºC at 760 mmHg
Density1.01g/cm3
Flash Point77.5ºC

Frequently Asked Questions

What is the CAS number of 2-METHOXY-PENT-4-YNOIC ACID ETHYL ESTER?

The CAS number of 2-METHOXY-PENT-4-YNOIC ACID ETHYL ESTER is 66313-10-8.

What are the molecular formula and molecular weight of 2-METHOXY-PENT-4-YNOIC ACID ETHYL ESTER?

2-METHOXY-PENT-4-YNOIC ACID ETHYL ESTER has molecular formula C8H12O3 and molecular weight 156.17900 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "2-METHOXY-PENT-4-YNOIC ACID ETHYL ESTER (CAS 66313-10-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-908202-1 (accessed 2026-10-24).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.