2-Phenyl-3-butyn-2-ol

CAS 127-66-2C6H5C(CH3)(OH)C≡CHChemical Synthesis

2-Phenyl-3-butyn-2-ol (CAS: 127-66-2) is an organic compound with the molecular formula C6H5C(CH3)(OH)C≡CH and a molecular weight of 146.19. This tertiary acetylenic alcohol serves as a valuable building block in organic synthesis. It is commonly employed in the preparation of various complex molecules, including heterocyclic compounds and functionalized alcohols, contributing to advancements in chemical research and development.

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2-Phenyl-3-butyn-2-ol (C6H5C(CH3)(OH)C≡CH) — chemical structure, CAS 127-66-2; Chemistry, fine chemical supplied by Tech Serve Solutions

AlkynesBuilding BlocksChemical SynthesisOrganic Building BlocksTerminal

01 /Applications

Synthesis of Heterocyclic Compounds

2-Phenyl-3-butyn-2-ol is utilized in reactions such as copper(II)-promoted cycloaddition with azides to form triazoles, demonstrating its utility in constructing nitrogen-containing heterocyclic systems.

Preparation of Functionalized Alcohols

This compound has been employed in the preparation of specific alcohol derivatives, for example, (3-methyl-5-isoxazolyl)(phenyl)-methanol and 1-(3-methyl-5-isoxazolyl)-1-phenyl-1-ethanol, showcasing its role in synthesizing complex alcohol structures.

Carbon Dioxide Reactions

It participates in reactions with CO2, catalyzed by transition metal salts in ionic liquids, leading to the formation of α-methylene cyclic carbonates, highlighting its application in CO2 utilization chemistry.

02 /Properties

Molecular weight	146.19
Linear formula	C6H5C(CH3)(OH)C≡CH
Assay	≥98%
Boiling point	102-103 °C/12 mmHg(lit.)
Application	2-Phenyl-3-butyn-2-ol was used in the preparation of :• (3-methyl-5-isoxazolyl)(phenyl)-methanol1• 1-(3-methyl-5-isoxazolyl)-1-phenyl-1-ethanol1• α-methylene cyclic carbonates via reaction with CO2 catalyzed by transition metal salts in ionic liquid2• copper (II)-promoted cycloaddtion to azides leading to triazoles3
Melting point	47-49 °C(lit.)

03 /Safety & handling

GHS hazard pictogram: Harmful / irritant (GHS07) — Harmful / irritant

Warning

Hazard statements

H302Harmful if swallowed

Protective equipment	dust mask type N95 (US), Eyeshields, Gloves
Flash point	96 °C / 204.8 °F
Water hazard class (WGK, DE)	3
Hazard codes (EU)	Xn
Risk statements (R)	22
Safety statements (S)	22-24/25

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

127-66-2

MDL number

MFCD00004454

PubChem substance

24852760

Beilstein registry

1100096

05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is 2-Phenyl-3-butyn-2-ol used for?

2-Phenyl-3-butyn-2-ol is used as a building block in organic synthesis, including the preparation of heterocyclic compounds, functionalized alcohols, and α-methylene cyclic carbonates.

What are the CAS number and molecular formula for 2-Phenyl-3-butyn-2-ol?

The CAS number for 2-Phenyl-3-butyn-2-ol is 127-66-2, and its molecular formula is C6H5C(CH3)(OH)C≡CH.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies 2-Phenyl-3-butyn-2-ol with an assay of ≥98%. This product is intended for research and chemical synthesis purposes and is not represented as USP, BP, or EP grade.

How should 2-Phenyl-3-butyn-2-ol be handled safely?

2-Phenyl-3-butyn-2-ol is classified with a Warning signal word and an H302 hazard statement (Harmful if swallowed). Recommended personal protective equipment includes a dust mask type N95 (US), eyeshields, and gloves. Handle in a well-ventilated area.

Is 2-Phenyl-3-butyn-2-ol a controlled substance?

The provided safety data does not indicate that 2-Phenyl-3-butyn-2-ol is a controlled substance.

How is 2-Phenyl-3-butyn-2-ol shipped or exported?

Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals. Specific shipping and export details for 2-Phenyl-3-butyn-2-ol can be provided upon inquiry.

How can I request a quote or sample of 2-Phenyl-3-butyn-2-ol?

To request a quote or sample of 2-Phenyl-3-butyn-2-ol, please contact our sales department through the Tech Serve Solutions website or via direct inquiry.