(S)-(-)-4-tert-Butyl-2-oxazolidinone

(S)-(-)-4-叔丁基-2-噁唑烷酮

Also known as: (4S)-4-tert-Butyl-1,3-oxazolidin-2-one, (S)-4-tert-Butyl-2-oxazolidinone, (4S)-4-(2-Methyl-2-propanyl)-1,3-oxazolidin-2-one, 2-Oxazolidinone, 4-(1,1-dimethylethyl)-, (4S)-, MFCD00221503

(S)-(-)-4-tert-Butyl-2-oxazolidinone (CAS 54705-42-9) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C7H13NO2 and a molecular weight of 143.18400 g/mol. It is also known as (4S)-4-tert-Butyl-1,3-oxazolidin-2-one, (S)-4-tert-Butyl-2-oxazolidinone and (4S)-4-(2-Methyl-2-propanyl)-1,3-oxazolidin-2-one. Key properties include a melting point of 118-120ºC(lit.), a boiling point of 289.1ºC at 760 mmHg, a density of 1.033 g/cm3 and a flash point of 128.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 54705-42-9
Jingsj CID: J-1382070-1
Molecular Formula: C₇H₁₃NO₂
Chinese Name: (S)-(-)-4-叔丁基-2-噁唑烷酮
Molecular Weight: 143.18400 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	118-120ºC(lit.)
Boiling Point	289.1ºC at 760 mmHg
Density	1.033 g/cm3
Flash Point	128.6ºC

Frequently Asked Questions

What is the CAS number of (S)-(-)-4-tert-Butyl-2-oxazolidinone?

The CAS number of (S)-(-)-4-tert-Butyl-2-oxazolidinone is 54705-42-9.

What are the molecular formula and molecular weight of (S)-(-)-4-tert-Butyl-2-oxazolidinone?

(S)-(-)-4-tert-Butyl-2-oxazolidinone has molecular formula C7H13NO2 and molecular weight 143.18400 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "(S)-(-)-4-tert-Butyl-2-oxazolidinone (CAS 54705-42-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1382070-1 (accessed 2026-10-22).

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