5-(4-ethoxyphenyl)-1,3,4-oxadiazol-2-amine

5-(4-乙氧基苯基)-1,3,4-噁二唑-2-胺

Also known as: 1,3,4-Oxadiazol-2-amine, 5-(4-ethoxyphenyl)-, 1,3,4-Oxadiazole, 2-amino-5-(4-ethoxyphenyl)-, 5-(4-Ethoxyphenyl)-1,3,4-oxadiazol-2-amine, 2-Amino-5-(4-ethoxyphenyl)-1,3,4-oxadiazol, 5-(4-Ethoxy-phenyl)-[1,3,4]oxadiazol-2-ylamine

5-(4-ethoxyphenyl)-1,3,4-oxadiazol-2-amine (CAS 90840-51-0) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C10H11N3O2 and a molecular weight of 205.21300 g/mol. It is also known as 1,3,4-Oxadiazol-2-amine, 5-(4-ethoxyphenyl)-, 1,3,4-Oxadiazole, 2-amino-5-(4-ethoxyphenyl)- and 5-(4-Ethoxyphenyl)-1,3,4-oxadiazol-2-amine. Key properties include a boiling point of 376.3ºC at 760mmHg, a density of 1.23g/cm3 and a flash point of 181.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
90840-51-0
Jingsj CID
J-1178949-9
Molecular Formula
C10H11N3O2
Chinese Name
5-(4-乙氧基苯基)-1,3,4-噁二唑-2-胺
Molecular Weight
205.21300 g/mol
Category
Organic Bases
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point376.3ºC at 760mmHg
Density1.23g/cm3
Flash Point181.4ºC

Frequently Asked Questions

What is the CAS number of 5-(4-ethoxyphenyl)-1,3,4-oxadiazol-2-amine?

The CAS number of 5-(4-ethoxyphenyl)-1,3,4-oxadiazol-2-amine is 90840-51-0.

What are the molecular formula and molecular weight of 5-(4-ethoxyphenyl)-1,3,4-oxadiazol-2-amine?

5-(4-ethoxyphenyl)-1,3,4-oxadiazol-2-amine has molecular formula C10H11N3O2 and molecular weight 205.21300 g/mol.

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

Last updated:

How to cite: Jingsj. "5-(4-ethoxyphenyl)-1,3,4-oxadiazol-2-amine (CAS 90840-51-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1178949-9 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.