Description

Methylpropiolic Aldehyde is a versatile and reactive alkyne-containing aldehyde, serving as a key building block in advanced organic synthesis. Its unique molecular structure, featuring both an aldehyde and a terminal alkyne functional group, makes it an indispensable intermediate for constructing complex heterocycles and pharmaceutical scaffolds. This high-purity compound is primarily sought by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for developing novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of complex drug molecules, particularly those containing heterocyclic rings like pyrazoles and isoxazoles.
• Agrochemical Synthesis: Used in the development of new herbicides, fungicides, and plant growth regulators that require specific alkyne-aldehyde chemistry.
• Material Science Research: Employed in the creation of novel polymers and dendrimers with tailored properties via click chemistry and other alkyne-based reactions.
• Flavor & Fragrance Industry: Acts as a starting material for synthesizing specific aroma chemicals and flavoring agents.
• Academic & R&D Laboratories: A valuable reagent for methodological development in organic chemistry and catalysis studies.
• Fine Chemical Production: Serves as a building block for manufacturing specialty chemicals used in electronics and coatings.

Basic Information

Product Name	Methylpropiolic Aldehyde
CAS No.	1119-19-3
Molecular Formula	C₄H₄O₂
Molecular Weight	84.07 g/mol
Synonyms	Propiolaldehyde; 2-Propynal; Propynal; Acetylene carboxaldehyde; 2-Propyn-1-al; Propiolic aldehyde; Methylpropiolaldehyde; 3-Oxo-1-propyne
EINECS	214-277-8

Quality Control

Our Methylpropiolic Aldehyde is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including assay by GC/HPLC, identification by FT-IR, and impurity profiling. A detailed Certificate of Analysis (COA) documenting purity, physical properties, and test results is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated area. Recommended storage temperature is 2-8°C to maximize stability. Keep away from heat, sparks, open flames, and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.