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2-(2-Methoxyethoxy)ethanethiol

2-(2-甲氧基乙氧基)乙硫醇

Also known as: 2-(2-Methoxyethoxy)ethanethiol 97, 2-(2-Methoxyethoxy)ethane-1-thiol, 2-mercaptoethyl methoxyethyl ether, Ethanethiol, 2-(2-methoxyethoxy)-, Me-PEG2-SH, m-PEG2-thiol, monomethyl diethyleneglycol thiol

2-(2-Methoxyethoxy)ethanethiol (CAS 88778-21-6) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C5H12O2S and a molecular weight of 136.21300 g/mol. It is also known as 2-(2-Methoxyethoxy)ethanethiol 97, 2-(2-Methoxyethoxy)ethane-1-thiol and 2-mercaptoethyl methoxyethyl ether. Key properties include a boiling point of 79ºC/0.7 mmHg(lit.), a density of 1.015 g/mL at 25ºC(lit.) and a flash point of 78ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
88778-21-6
Jingsj CID
J-1519282-8
Molecular Formula
C5H12O2S
Chinese Name
2-(2-甲氧基乙氧基)乙硫醇
Molecular Weight
136.21300 g/mol
Category
Alcohols
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point79ºC/0.7 mmHg(lit.)
Density1.015 g/mL at 25ºC(lit.)
Flash Point78ºC

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 2-(2-Methoxyethoxy)ethanethiol?

The CAS number of 2-(2-Methoxyethoxy)ethanethiol is 88778-21-6.

What are the molecular formula and molecular weight of 2-(2-Methoxyethoxy)ethanethiol?

2-(2-Methoxyethoxy)ethanethiol has molecular formula C5H12O2S and molecular weight 136.21300 g/mol.

Is 2-(2-Methoxyethoxy)ethanethiol hazardous?

2-(2-Methoxyethoxy)ethanethiol 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. "2-(2-Methoxyethoxy)ethanethiol (CAS 88778-21-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1519282-8 (accessed 2026-10-25).

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