Description

Benzaldehyde, 3,5-Diethynyl- (9Ci) is a specialized aromatic aldehyde derivative featuring two ethynyl substituents. This compound is a valuable synthetic intermediate, prized for its dual functional groups which enable its use in advanced material synthesis and complex organic transformations. It is primarily sought after by researchers and manufacturers in the pharmaceutical, agrochemical, and material science industries for developing novel compounds and functional polymers.

Application

• Key intermediate in the synthesis of pharmaceutical active ingredients and drug candidates.
• Building block for advanced organic materials, including conductive polymers and liquid crystals.
• Precursor for ligands and catalysts used in metal-organic frameworks (MOFs) and cross-coupling reactions.
• Research chemical for developing novel agrochemicals and specialty fine chemicals.
• Monomer or cross-linking agent in the preparation of specialty resins and high-performance polymers.
• Starting material for the synthesis of complex natural product analogs and molecular scaffolds.

Basic Information

Product Name	Benzaldehyde, 3,5-Diethynyl- (9Ci)
CAS No.	153390-76-2
Molecular Formula	C11H6O
Molecular Weight	154.17 g/mol
Synonyms	3,5-Diethynylbenzaldehyde; 3,5-Bis(ethynyl)benzaldehyde; Benzaldehyde, 3,5-diethynyl-; 1,3-Diethynyl-5-formylbenzene; 5-Formyl-1,3-diethynylbenzene; 3,5-Diethynylbenzenecarboxaldehyde
EINECS	Contact for details

Quality Control

Our Benzaldehyde, 3,5-Diethynyl- (9Ci) is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This material is easily oxidized (store under inert atmosphere) and is light-sensitive (store away from light). Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Off-white to yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details

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