N1-(2-Ethoxyphenyl)-N2-(2-ethylphenyl)oxalamide

Also known as: UV-312, VSU, Sanduvor VSU, Tinuvin 312, LOTSORB UV 312, N-(2-Ethoxyphenyl)-N'-(2-ethylphenyl)ethanediamide, N-(2-Ethoxyphenyl)-N'-(2-ethylphenyl)oxamide, 2-ethoxy-2'-ethyloxanilide, Ethanediamide, N-(2-ethoxyphenyl)-N'-(2-ethylphenyl)-, Oxanilide,2'-ethoxy-2-ethyl

N1-(2-Ethoxyphenyl)-N2-(2-ethylphenyl)oxalamide (CAS 23949-66-8) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C18H20N2O3 and a molecular weight of 312.363 g/mol. Key properties include a melting point of 124 - 127ºC and a density of 1.2±0.1 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 23949-66-8
Jingsj CID: J-1171857-0
Molecular Formula: C₁₈H₂₀N₂O₃
Molecular Weight: 312.363 g/mol
Category: Organic Bases
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	124 - 127ºC
Density	1.2±0.1 g/cm3
Exact Mass	312.147400
PSA	67.43000
LogP	3.63
Refractive Index	1.623

Frequently Asked Questions

What is the CAS number of N1-(2-Ethoxyphenyl)-N2-(2-ethylphenyl)oxalamide?

The CAS number of N1-(2-Ethoxyphenyl)-N2-(2-ethylphenyl)oxalamide is 23949-66-8.

What are the molecular formula and molecular weight of N1-(2-Ethoxyphenyl)-N2-(2-ethylphenyl)oxalamide?

N1-(2-Ethoxyphenyl)-N2-(2-ethylphenyl)oxalamide has molecular formula C18H20N2O3 and molecular weight 312.363 g/mol.

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. "N1-(2-Ethoxyphenyl)-N2-(2-ethylphenyl)oxalamide (CAS 23949-66-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1171857-0 (accessed 2026-11-06).

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