[(2S)-2,3-dihydroxypropyl] 4-methylbenzenesulfonate

Also known as: (S)-1-tosyloxy-2,3-propanediol, (S)-1-tosylglycerol, (S)-1-tosyloxyglycerol, (S)-3-(tosyloxy)-1,2-propanediol, (S)-3-(p-toluenesulfonyloxy)-1,2-propanediol, [S,(+)]-1-O-(p-tolylsulfonyl)-L-glycerol, [S,(+)]-L-glycerol 1-(p-toluenesulfonate), toluene-4-sulfonic acid 2,3-dihydroxypropyl ester

[(2S)-2,3-dihydroxypropyl] 4-methylbenzenesulfonate (CAS 50765-70-3) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C10H14O5S and a molecular weight of 246.28000 g/mol. Key properties include a melting point of 54-58ºC, a boiling point of 462.99ºC at 760 mmHg, a density of 1.351g/cm3 and a flash point of 233.808ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 50765-70-3
Jingsj CID: J-1356122-3
Molecular Formula: C₁₀H₁₄O₅S
Molecular Weight: 246.28000 g/mol
Category: Solvents
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	54-58ºC
Boiling Point	462.99ºC at 760 mmHg
Density	1.351g/cm3
Flash Point	233.808ºC
Exact Mass	246.05600
PSA	92.21000
LogP	1.13430
Refractive Index	1.559

Customs & Trade Information

HS Code	2905499000
Summary	2905499000 other polyhydric alcohols。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of [(2S)-2,3-dihydroxypropyl] 4-methylbenzenesulfonate?

The CAS number of [(2S)-2,3-dihydroxypropyl] 4-methylbenzenesulfonate is 50765-70-3.

What are the molecular formula and molecular weight of [(2S)-2,3-dihydroxypropyl] 4-methylbenzenesulfonate?

[(2S)-2,3-dihydroxypropyl] 4-methylbenzenesulfonate has molecular formula C10H14O5S and molecular weight 246.28000 g/mol.

What are the upstream and downstream products of [(2S)-2,3-dihydroxypropyl] 4-methylbenzenesulfonate?

For [(2S)-2,3-dihydroxypropyl] 4-methylbenzenesulfonate, Upstream Products: [(4S)-2,2-dimethyl-1,3-dioxolan-4-yl]methyl 4-methylbenzenesulfonate, (S)-2-Benzyloxy-1,3-propanediol 1-(p-toluenesulfonate), (S)-(+)-1-Benzyloxy-3-(p-tosyloxy)-2-propanol; Downstream Products: [(4S)-2,2-dimethyl-1,3-dioxolan-4-yl]methyl 4-methylbenzenesulfonate, Levodropropizine, (S)-Glycidol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "[(2S)-2,3-dihydroxypropyl] 4-methylbenzenesulfonate (CAS 50765-70-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1356122-3 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.