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(S)-(-)-1,1,2-Triphenylethane-1,2-diol

Also known as: (S)-1,1,2-Triphenylethane-1,2-diol, (S)-1,1,2-Triphenyl-1,2-ethanediol, (2S)-1,1,2-Triphenylethane-1,2-diol, (S)-(-)-1,1,2-Triphenyl-1,2-ethanediol, (S)-(-)-Triphenylethylene glycol, (S)-Triphenylglycol, Triphenylethanediol, ChemPacific 43818

(S)-(-)-1,1,2-Triphenylethane-1,2-diol (CAS 108998-83-0) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C20H18O2 and a molecular weight of 290.356 g/mol. Key properties include a melting point of 125-127ºC, a boiling point of 452.3±40.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 210.0±21.9 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
108998-83-0
Jingsj CID
J-13095-0
Molecular Formula
C20H18O2
Molecular Weight
290.356 g/mol
Category
Solvents
Last updated
8/21/2026
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Physicochemical Properties

Melting Point125-127ºC
Boiling Point452.3±40.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point210.0±21.9 °C
Exact Mass290.130676
PSA40.46000
LogP3.82
Vapor Pressure0.0±1.2 mmHg at 25°C
Refractive Index1.639

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Frequently Asked Questions

What is the CAS number of (S)-(-)-1,1,2-Triphenylethane-1,2-diol?

The CAS number of (S)-(-)-1,1,2-Triphenylethane-1,2-diol is 108998-83-0.

What are the molecular formula and molecular weight of (S)-(-)-1,1,2-Triphenylethane-1,2-diol?

(S)-(-)-1,1,2-Triphenylethane-1,2-diol has molecular formula C20H18O2 and molecular weight 290.356 g/mol.

Is (S)-(-)-1,1,2-Triphenylethane-1,2-diol hazardous?

(S)-(-)-1,1,2-Triphenylethane-1,2-diol has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

What are the upstream and downstream products of (S)-(-)-1,1,2-Triphenylethane-1,2-diol?

For (S)-(-)-1,1,2-Triphenylethane-1,2-diol, Upstream Products: Triphenylethylene, Bromobenzene, Ethyl (S)-(+)-mandelate; Downstream Products: Triphenylmethanol, Triphenylmethane, (1S)-2-Hydroxy-1,2,2-triphenylethyl acetate.

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)-(-)-1,1,2-Triphenylethane-1,2-diol (CAS 108998-83-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-13095-0 (accessed 2026-11-09).

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