(2S)-2-[(Trityloxy)methyl]oxirane

Also known as: (S)-(-)-Trityl glycidyl ether, (S)-Glycidyl trityl ether, (S)-(-)-Glycidyl triphenylmethyl ether, Triphenylmethyl glycidyl ether, (2S)-2-(trityloxymethyl)oxirane, MFCD00273373

(2S)-2-[(Trityloxy)methyl]oxirane (CAS 129940-50-7) is a compound in the Ethers category listed in the Jingsj chemical database. It has the molecular formula C22H20O2 and a molecular weight of 316.393 g/mol. Key properties include a melting point of 98-101ºC, a boiling point of 438.8±40.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 164.8±26.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 129940-50-7
Jingsj CID: J-17467-4
Molecular Formula: C₂₂H₂₀O₂
Molecular Weight: 316.393 g/mol
Category: Ethers
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point	98-101ºC
Boiling Point	438.8±40.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	164.8±26.9 °C
Exact Mass	316.146332
PSA	21.76000
LogP	6.50
Vapor Pressure	0.0±1.0 mmHg at 25°C
Refractive Index	1.603

Customs & Trade Information

HS Code	2910900090
Summary	2910900090. 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 (2S)-2-[(Trityloxy)methyl]oxirane?

The CAS number of (2S)-2-[(Trityloxy)methyl]oxirane is 129940-50-7.

What are the molecular formula and molecular weight of (2S)-2-[(Trityloxy)methyl]oxirane?

(2S)-2-[(Trityloxy)methyl]oxirane has molecular formula C22H20O2 and molecular weight 316.393 g/mol.

What are the upstream and downstream products of (2S)-2-[(Trityloxy)methyl]oxirane?

For (2S)-2-[(Trityloxy)methyl]oxirane, Upstream Products: Triphenylmethyl chloride, (R)-(+)-Glycidol, (S)-Glycidol; Downstream Products: Methoxytriphenylmethane.

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-[(Trityloxy)methyl]oxirane (CAS 129940-50-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-17467-4 (accessed 2026-11-09).

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