Description

3-Methyl-1-Heptyn-3-Ol CAS NO 17356-17-1 is a versatile terminal alkyne alcohol with a tertiary hydroxyl group, serving as a valuable building block in advanced organic synthesis. Its unique structure makes it a critical intermediate for creating complex molecules, particularly in the development of pharmaceuticals, agrochemicals, and specialty polymers. This compound is essential for research and industrial chemists engaged in click chemistry, coupling reactions, and material science.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates, particularly those requiring alkyne functional groups for bioconjugation.
• Agrochemical Synthesis: Serves as a key precursor in the production of advanced herbicides, fungicides, and plant growth regulators.
• Polymer & Material Science: Acts as a monomer or cross-linking agent in the creation of specialty polymers, resins, and advanced materials with tailored properties.
• Organic Synthesis Building Block: Employed in Sonogashira coupling, Huisgen cycloaddition (click chemistry), and other metal-catalyzed reactions to construct complex molecular architectures.
• Flavor & Fragrance Industry: Utilized in the synthesis of specific aroma chemicals and fragrance components due to its structural features.
• Research & Development: A valuable reagent in academic and industrial R&D labs for exploring new synthetic methodologies and creating novel chemical entities.

Basic Information

Product Name	3-Methyl-1-Heptyn-3-Ol
CAS No.	17356-17-1
Molecular Formula	C8H14O
Molecular Weight	126.20 g/mol
Synonyms	3-Methyl-1-heptyn-3-ol; 1-Heptyn-3-ol, 3-methyl-; 3-Methylhept-1-yn-3-ol; Ethyl 1-butynyl carbinol; 1-Butynyl ethyl carbinol; 3-Methyl-1-heptyn-3-ol (primary name); 3-Methylhept-1-yn-3-ol (alternate IUPAC)
EINECS	Contact for details

Quality Control

Our 3-Methyl-1-Heptyn-3-Ol is produced under stringent quality management systems. Every batch undergoes rigorous analytical testing to ensure high purity, consistency, and traceability. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality commitment supports applications requiring reliable and reproducible performance in sensitive syntheses.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat, sparks, and open flame. Due to its highly volatile nature, ensure containers are kept tightly sealed when not in use to prevent evaporation and concentration changes. Recommended storage temperature is 2-8°C for extended stability, though short-term storage at controlled room temperature (15-25°C) is acceptable.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.440 - 1.445
Density (g/mL at 20°C)	0.860 - 0.880

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