Description

3-Butyn-2-Ol Hydrogen Phthalate is a specialized organic compound that serves as a valuable intermediate in advanced chemical synthesis. Its unique molecular structure, featuring both an alkyne and a phthalate ester group, makes it a versatile building block for creating complex molecules. This product is essential for research and development chemists and manufacturers in the pharmaceutical and fine chemical industries, particularly for applications requiring precise molecular modifications.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of new active pharmaceutical ingredients (APIs), especially those targeting specific biological pathways.
• Fine Chemical Synthesis: Used as a specialized building block for constructing complex organic molecules in academic and industrial research laboratories.
• Material Science Research: Acts as a precursor in the development of novel polymers or functional materials with tailored properties.
• Agrochemical Development: Employed in the synthesis of advanced intermediates for crop protection agents and other agrochemicals.
• Cross-Coupling Reactions: Utilized in palladium-catalyzed and other metal-mediated coupling reactions due to the reactive alkyne moiety.
• Protecting Group Chemistry: The phthalate group can function as a protecting group for alcohols in multi-step synthetic sequences.

Basic Information

Product Name	3-Butyn-2-Ol Hydrogen Phthalate
CAS No.	42969-62-0
Molecular Formula	C₁₃H₁₂O₄
Molecular Weight	232.23 g/mol
Synonyms	1-Butyn-3-ol, 2-phthalate; 3-Butyn-2-yl hydrogen phthalate; 2-Butyn-4-ol hydrogen phthalate; Phthalic acid mono(3-butyn-2-yl) ester; 3-Butyn-2-ol phthalate; But-3-yn-2-yl hydrogen phthalate
EINECS	Contact for details

Quality Control

Our 3-Butyn-2-Ol Hydrogen Phthalate is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity suitable for research and industrial synthesis. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as identity, assay, and impurity profiles. Our quality systems are designed to meet the stringent requirements of GMP and ISO standards where applicable.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flames. For long-term storage, consider maintaining the material under an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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