3-Ethynyl-4-methylaniline

3-乙炔基-4-甲基苯胺

Also known as: 2-Ethynyl-4-aminotoluene, 2-Ethynyl-4-aMinotoluene, 3-Ethynyl-4-Methyl-benzenaMine, Benzenamine, 3-ethynyl-4-methyl-, Benzenamine, 3-ethynyl-4-methyl- (9CI)

3-Ethynyl-4-methylaniline (CAS 134690-40-7) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C9H9N and a molecular weight of 131.17400 g/mol. It is also known as 2-Ethynyl-4-aminotoluene, 2-Ethynyl-4-aMinotoluene and 3-Ethynyl-4-Methyl-benzenaMine. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 134690-40-7
Jingsj CID: J-1146886-4
Molecular Formula: C₉H₉N
Chinese Name: 3-乙炔基-4-甲基苯胺
Molecular Weight: 131.17400 g/mol
Category: Organic Bases
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 3-Ethynyl-4-methylaniline?

The CAS number of 3-Ethynyl-4-methylaniline is 134690-40-7.

What are the molecular formula and molecular weight of 3-Ethynyl-4-methylaniline?

3-Ethynyl-4-methylaniline has molecular formula C9H9N and molecular weight 131.17400 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "3-Ethynyl-4-methylaniline (CAS 134690-40-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1146886-4 (accessed 2026-10-25).

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