2-Ethynyl-4-aminotoluene

Name: 2-Ethynyl-4-aminotoluene
Brand: Vaqora Chemicals
SKU: VQ-043165

About 2-Ethynyl-4-aminotoluene

Listed under CAS 134690-40-7, 2-Ethynyl-4-aminotoluene is a process intermediate or related compound of Ethamsylate available from Vaqora Chemicals. Formula C9H9N, molecular weight 131.17 g/mol. Its systematic (IUPAC) name is 3-ethynyl-4-methylaniline. It is also known as Benzenamine, 3-ethynyl-4-methyl- (9CI) or 3-Ethynyl-4-methyl-benzenamine.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Good laboratory practice and suitable PPE are recommended during handling.

It is a process intermediate or related compound in the synthesis of Ethamsylate, useful for route development, impurity fate-and-purge studies and analytical method development. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

API route development
Impurity fate & purge studies
Analytical method development
Fine chemical synthesis

Industries

Related to Ethamsylate

View every impurity, metabolite and intermediate we list for Ethamsylate.

Ethamsylate impurities

Specifications & identifiers

Chemical identifiers
Product name	2-Ethynyl-4-aminotoluene
Catalogue No.	VQ-043165
CAS Number	134690-40-7
IUPAC name	3-ethynyl-4-methylaniline
Molecular formula	C₉H₉N
Molecular weight	131.17 g/mol
Exact mass	131.0735
HSN code	2933
InChIKey	PWLCLSPCHRYXHK-UHFFFAOYSA-N
SMILES	CC1=C(C=C(C=C1)N)C#C
PubChem CID	23225840

Physical properties
Physical form	Solid
LogP (XLogP3)	1.9
H-bond donors / acceptors	1 / 1
TPSA	26 Å²
Synonyms	Benzenamine, 3-ethynyl-4-methyl- (9CI), 3-Ethynyl-4-methyl-benzenamine, 3-ethynyl-4-methyl-aniline, 3-Ethynyl-4-methyl-phenylamine, 5-Amino-2-methylphenylacetylene, 3-ethynyl-4-methyl-phenyl amine, Benzenamine, 3-ethynyl-4-methyl-

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of 2-Ethynyl-4-aminotoluene?

The CAS Registry Number of 2-Ethynyl-4-aminotoluene is 134690-40-7. It is also known as Benzenamine, 3-ethynyl-4-methyl- (9CI), 3-Ethynyl-4-methyl-benzenamine, 3-ethynyl-4-methyl-aniline.

What is the molecular formula and molecular weight of 2-Ethynyl-4-aminotoluene?

2-Ethynyl-4-aminotoluene has the molecular formula C9H9N and a molecular weight of 131.17 g/mol. Its IUPAC name is 3-ethynyl-4-methylaniline.

What is 2-Ethynyl-4-aminotoluene used for?

2-Ethynyl-4-aminotoluene is supplied as a characterised reference material related to Ethamsylate. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of 2-Ethynyl-4-aminotoluene can I order?

We supply 2-Ethynyl-4-aminotoluene, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 2-Ethynyl-4-aminotoluene?

Yes. Every lot of 2-Ethynyl-4-aminotoluene is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can 2-Ethynyl-4-aminotoluene be shipped internationally?

Yes. We export 2-Ethynyl-4-aminotoluene worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.