Description

Dipropargyl Chromene CAS NO 128692-75-1 is a specialized organic compound belonging to the chromene class, characterized by the presence of two propargyl functional groups. This unique structure makes it a valuable intermediate in advanced organic synthesis, particularly for constructing complex heterocyclic frameworks and functional materials. It is primarily sought by research and development laboratories in the pharmaceutical, agrochemical, and material science sectors for applications in drug discovery, ligand synthesis, and the development of novel polymers.

Application

• Key synthetic intermediate for pharmaceutical research and active pharmaceutical ingredient (API) development.
• Building block for novel agrochemicals, including herbicides and plant growth regulators.
• Precursor in material science for the synthesis of advanced polymers and functional organic materials.
• Intermediate in the preparation of complex heterocyclic compounds for various industrial applications.
• Research chemical for academic and industrial studies in organic chemistry and catalysis.
• Starting material for the synthesis of ligands used in metal-organic frameworks (MOFs) and coordination chemistry.

Basic Information

Product Name	Dipropargyl Chromene
CAS No.	128692-75-1
Molecular Formula	C15H12O
Molecular Weight	208.26 g/mol
Synonyms	2H-Chromene, 3,4-bis(2-propyn-1-yl)-; 3,4-Dipropargyl-2H-chromene; 3,4-Bis(prop-2-yn-1-yl)-2H-chromene; 3,4-Dipropargylchromene; 3,4-Bis(prop-2-ynyl)-2H-1-benzopyran; Dipropargylchromene; 128692-75-1
EINECS	Contact for details

Quality Control

Our Dipropargyl Chromene is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing specifications such as assay (by HPLC), identification (by IR and NMR), and impurity profiles are available for every shipment to support your quality assurance requirements.

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 place. Recommended storage temperature is 2-8°C for long-term stability. Keep away from heat, sparks, and open flames.

Specification

Item	Specification
Appearance	Light yellow to yellow solid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%

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