Description

3-Cyclobutene-1,2-Diol, 3,4-Diethynyl-, cis- (9Ci) is a highly functionalized, strained-ring organic compound characterized by its cis-diol and diethynyl groups. This unique molecular architecture makes it a valuable and versatile advanced chemical intermediate for synthesizing complex, three-dimensional structures. It is primarily utilized by pharmaceutical research and specialty chemical industries for developing novel active ingredients and sophisticated materials.

Application

• Pharmaceutical Intermediate: Serves as a key building block for the synthesis of novel drug candidates, particularly those requiring rigid, polycyclic frameworks.
• Ligand Synthesis: Used in the preparation of specialized ligands for catalysis and metal-organic frameworks (MOFs).
• Polymer Chemistry: Acts as a monomer or cross-linking agent for creating high-performance polymers with unique thermal and mechanical properties.
• Material Science Research: Employed in the development of advanced organic electronic materials and nonlinear optical (NLO) chromophores.
• Academic & R&D: A critical reagent for methodological studies in organic synthesis, including cycloaddition reactions and alkyne functionalization.

Basic Information

Item	Details
Product Name	3-Cyclobutene-1,2-Diol, 3,4-Diethynyl-, cis- (9Ci)
CAS No.	125358-28-3
Molecular Formula	C8H6O2
Molecular Weight	134.13 g/mol
Synonyms	cis-3,4-Diethynyl-3-cyclobutene-1,2-diol; 3,4-Diethynyl-1,2-dihydroxycyclobut-3-ene; 1,2-Dihydroxy-3,4-diethynylcyclobut-3-ene; (Z)-3,4-Diethynylcyclobut-3-ene-1,2-diol; 3-Cyclobutene-1,2-diol, 3,4-diethynyl-, (3Z)-; Diethynylcyclobutenediol
EINECS	Contact for details

Quality Control

Every batch of 3-Cyclobutene-1,2-Diol, 3,4-Diethynyl-, cis- (9Ci) is produced and tested under stringent quality management protocols to ensure high purity and batch-to-batch consistency. Our products undergo rigorous analytical testing, including HPLC, NMR, and GC-MS. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). This compound may be moisture-sensitive; keep the container tightly sealed under an inert atmosphere for long-term storage.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.5%

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