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(S)-Glycidyl tosylate

Also known as: (2S)-(+)-Glycidyl tosylate, (2S)-2-OxiraneMethanol 2-(4-Methylbenzenesulfonate), (2S)-2-Oxiranylmethyl 4-methylbenzenesulfonate, (2S)-Glycidyl tosylate, (2S)-Oxiran-2-ylmethyl 4-methylbenzenesulfonate, (2S)-Oxiran-2-ylmethyl 4-methylbenzenesulphonate, (S)-(+)-Glycidyl tosylate, (S)-(2,3-Epoxypropan-1-yl) 4-Methylbenzenesulfonate, (S)-Glycidyl Tosylate, 99% e.e., (S)-Oxiran-2-ylmethyl 4-Methylbenzenesulfonate, (S)-Oxiran-2-ylmethyl Toluene-4-sulfonate, (S)-Glycidil Tosylate, (S)-Glycidyl p-toluenesulfonate, (S)-(+)-Oxirane-2-methanol p-toluenesulfonate, 2-Oxiranylmethyl 4-methylbenzenesulfonate, [(2S)-oxiran-2-yl]methyl 4-methylbenzenesulfonate

(S)-Glycidyl tosylate (CAS 70987-78-9) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C10H12O4S and a molecular weight of 228.265 g/mol. Key properties include a melting point of 45-48ºC, a boiling point of 370.5±15.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 177.9±20.4 °C. It is classified under GHS with signal word Danger and hazard statements H317 — May cause an allergic skin reaction, H318 — Causes serious eye damage and H341 — Suspected of causing genetic defects. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
70987-78-9
Jingsj CID
J-34795-5
Molecular Formula
C10H12O4S
Molecular Weight
228.265 g/mol
Category
Solvents
Last updated
8/21/2026

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Physicochemical Properties

Melting Point45-48ºC
Boiling Point370.5±15.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point177.9±20.4 °C
Exact Mass228.045624
PSA64.28000
LogP1.35
Vapor Pressure0.0±0.8 mmHg at 25°C
Refractive Index1.550

GHS Safety & Compliance

Corrosion / Irritant / Health Hazard / Environmental HazardSignal word: Danger
  • H317 — May cause an allergic skin reaction
  • H318 — Causes serious eye damage
  • H341 — Suspected of causing genetic defects
  • H350 — May cause cancer
  • H411 — Toxic to aquatic life with long lasting effects

Customs & Trade Information

HS Code2910900090
Summary2910900090. epoxides, epoxyalcohols, epoxyphenols and epoxyethers, with a three-membered ring, and their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of (S)-Glycidyl tosylate?

The CAS number of (S)-Glycidyl tosylate is 70987-78-9.

What are the molecular formula and molecular weight of (S)-Glycidyl tosylate?

(S)-Glycidyl tosylate has molecular formula C10H12O4S and molecular weight 228.265 g/mol.

Is (S)-Glycidyl tosylate hazardous?

(S)-Glycidyl tosylate has GHS signal word Danger and hazard statements H317 — May cause an allergic skin reaction; H318 — Causes serious eye damage; H341 — Suspected of causing genetic defects.

What are the upstream and downstream products of (S)-Glycidyl tosylate?

For (S)-Glycidyl tosylate, Upstream Products: p-Toluenesulfonyl chloride, (S)-Glycidol; Downstream Products: (S)-2,3-dihydro-1,4-benzodioxin-2-methanamine, (R)-(-)-Epichlorohydrin, (R)-(-)-1-Benzyloxy-3-(p-tosyloxy)-2-propanol.

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

Last updated:

How to cite: Jingsj. "(S)-Glycidyl tosylate (CAS 70987-78-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-34795-5 (accessed 2026-11-09).

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