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3-Methyl-1,2,5-oxadiazole

Also known as: 1,2,5-Oxadiazole, 3-methyl-, 3-Methylfurazane, Monomethylfurazan, 3-methylfurazane

3-Methyl-1,2,5-oxadiazole (CAS 26178-14-3) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C3H4N2O and a molecular weight of 84.07670 g/mol. Key properties include a melting point of 97°C, a boiling point of 97.093ºC at 760 mmHg, a density of 1.122g/cm3 and a flash point of 15.919ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
26178-14-3
Jingsj CID
J-1164476-1
Molecular Formula
C3H4N2O
Molecular Weight
84.07670 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point97°C
Boiling Point97.093ºC at 760 mmHg
Density1.122g/cm3
Flash Point15.919ºC
Exact Mass84.03240
PSA38.92000
LogP0.37800
Vapor Pressure48.471mmHg at 25°C
Refractive Index1.435

Customs & Trade Information

HS Code2934999090
Summary2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 3-Methyl-1,2,5-oxadiazole?

The CAS number of 3-Methyl-1,2,5-oxadiazole is 26178-14-3.

What are the molecular formula and molecular weight of 3-Methyl-1,2,5-oxadiazole?

3-Methyl-1,2,5-oxadiazole has molecular formula C3H4N2O and molecular weight 84.07670 g/mol.

What are the upstream and downstream products of 3-Methyl-1,2,5-oxadiazole?

For 3-Methyl-1,2,5-oxadiazole, Upstream Products: Propanal, 2-(hydroxyimino)-, oxime; Downstream Products: 1,2,5-oxadiazole-3-carboxylic acid.

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

Last updated:

How to cite: Jingsj. "3-Methyl-1,2,5-oxadiazole (CAS 26178-14-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1164476-1 (accessed 2026-11-09).

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