(2S,3S)-(-)-2,3-BUTANEDIOL DI-P-TOSYLATE

(-)-2,3-丁二醇二对甲苯磺酸酯

Also known as: (-)-2,3-Butanediyl di(p-toluenesulfonate), (-)-2,3-BUTANEDIOL DI(P-TOLUENESULFONATE), (-)-2,3-BUTANEDIOL DI-P-TOSYLATE, (2S,3S)-(-)-Di-O-tosyl-2,3-butanediol, 2,3-Butanediol, 2,3-bis(4-methylbenzenesulfonate), (2S,3S)-, (-)-2,3-butanediyl di(p-toluenesulfonate), (2R,3R)-2,3-DI-O-TOSYLBUTANEDIOL, MFCD00010332

(2S,3S)-(-)-2,3-BUTANEDIOL DI-P-TOSYLATE (CAS 74839-83-1) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C18H22O6S2 and a molecular weight of 398.49400 g/mol. It is also known as (-)-2,3-Butanediyl di(p-toluenesulfonate), (-)-2,3-BUTANEDIOL DI(P-TOLUENESULFONATE) and (-)-2,3-BUTANEDIOL DI-P-TOSYLATE. Key properties include a melting point of 67-69ºC(lit.), a boiling point of 550.2ºC at 760 mmHg, a density of 1.273g/cm3 and a flash point of 286.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 74839-83-1
Jingsj CID: J-34114-3
Molecular Formula: C₁₈H₂₂O₆S₂
Chinese Name: (-)-2,3-丁二醇二对甲苯磺酸酯
Molecular Weight: 398.49400 g/mol
Category: Solvents
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	67-69ºC(lit.)
Boiling Point	550.2ºC at 760 mmHg
Density	1.273g/cm3
Flash Point	286.5ºC

Frequently Asked Questions

What is the CAS number of (2S,3S)-(-)-2,3-BUTANEDIOL DI-P-TOSYLATE?

The CAS number of (2S,3S)-(-)-2,3-BUTANEDIOL DI-P-TOSYLATE is 74839-83-1.

What are the molecular formula and molecular weight of (2S,3S)-(-)-2,3-BUTANEDIOL DI-P-TOSYLATE?

(2S,3S)-(-)-2,3-BUTANEDIOL DI-P-TOSYLATE has molecular formula C18H22O6S2 and molecular weight 398.49400 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. "(2S,3S)-(-)-2,3-BUTANEDIOL DI-P-TOSYLATE (CAS 74839-83-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-34114-3 (accessed 2026-10-23).

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