(2S,3R)-3-aminobutan-2-ol

(2S,3R)-3-氨基-2-丁醇

Also known as: 3-amino-2-butanol, 3-aminobutan-2-ol, 3-amino-butan-2-ol, 2-amino-3-butanol, 2-butanol, 3-amino-, 3-(S)-amino-2-(R)-butanol, Metaraminol Bitartrate Impurity 29, Metaraminol Impurity 32

(2S,3R)-3-aminobutan-2-ol (CAS 42551-55-3) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C4H11NO and a molecular weight of 89.13620 g/mol. It is also known as 3-amino-2-butanol, 3-aminobutan-2-ol and 3-amino-butan-2-ol. Key properties include a melting point of 19 °C, a boiling point of 167.2ºC at 760 mmHg, a density of 0.923g/cm3 and a flash point of 54.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
42551-55-3
Jingsj CID
J-1180521-8
Molecular Formula
C4H11NO
Chinese Name
(2S,3R)-3-氨基-2-丁醇
Molecular Weight
89.13620 g/mol
Category
Alcohols
Last updated
8/21/2026

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Physicochemical Properties

Melting Point19 °C
Boiling Point167.2ºC at 760 mmHg
Density0.923g/cm3
Flash Point54.9ºC

Frequently Asked Questions

What is the CAS number of (2S,3R)-3-aminobutan-2-ol?

The CAS number of (2S,3R)-3-aminobutan-2-ol is 42551-55-3.

What are the molecular formula and molecular weight of (2S,3R)-3-aminobutan-2-ol?

(2S,3R)-3-aminobutan-2-ol has molecular formula C4H11NO and molecular weight 89.13620 g/mol.

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

Last updated:

How to cite: Jingsj. "(2S,3R)-3-aminobutan-2-ol (CAS 42551-55-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1180521-8 (accessed 2026-10-26).

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