1-Methoxy-2-butanol

1-甲氧基-2-丁醇

Also known as: 1,2-butanediol 1-monomethyl ether, 1-methoxybutan-2-ol, 2-butanol, 1-methoxy-

1-Methoxy-2-butanol (CAS 53778-73-7) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C5H12O2 and a molecular weight of 104.14800 g/mol. It is also known as 1,2-butanediol 1-monomethyl ether, 1-methoxybutan-2-ol and 2-butanol, 1-methoxy-. Key properties include a boiling point of 133-135ºC(lit.), a density of 0.906 g/mL at 25ºC(lit.) and a flash point of 103 °F. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
53778-73-7
Jingsj CID
J-45103-3
Molecular Formula
C5H12O2
Chinese Name
1-甲氧基-2-丁醇
Molecular Weight
104.14800 g/mol
Category
Alcohols
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point133-135ºC(lit.)
Density0.906 g/mL at 25ºC(lit.)
Flash Point103 °F

GHS Safety & Compliance

FlammableSignal word: Warning

Frequently Asked Questions

What is the CAS number of 1-Methoxy-2-butanol?

The CAS number of 1-Methoxy-2-butanol is 53778-73-7.

What are the molecular formula and molecular weight of 1-Methoxy-2-butanol?

1-Methoxy-2-butanol has molecular formula C5H12O2 and molecular weight 104.14800 g/mol.

Is 1-Methoxy-2-butanol hazardous?

1-Methoxy-2-butanol 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. "1-Methoxy-2-butanol (CAS 53778-73-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-45103-3 (accessed 2026-10-23).

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