3-Methyl-1-penten-4-yn-3-ol

CAS 3230-69-1HC≡CC(CH3)(OH)CH=CH2Chemical Synthesis

3-Methyl-1-penten-4-yn-3-ol (CAS: 3230-69-1) is a versatile organic compound with the molecular formula HC≡CC(CH₃)(OH)CH=CH₂ and a molecular weight of 96.13 g/mol. This tertiary alcohol features both an alkyne and a vinyl group, making it a valuable building block in organic synthesis. It is utilized in the creation of more complex molecules, contributing to research and development across various chemical fields.

IUPAC: Ethynyl methyl vinyl carbinol
Synonyms: Ethynyl methyl vinyl carbinol

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3-Methyl-1-penten-4-yn-3-ol (HC≡CC(CH3)(OH)CH=CH2) — chemical structure, CAS 3230-69-1; Chemistry, fine chemical supplied by Tech Serve Solutions

AlkynesBuilding BlocksChemical SynthesisOrganic Building BlocksTerminal

01 /Applications

Organic Synthesis Intermediate

3-Methyl-1-penten-4-yn-3-ol serves as a crucial intermediate in organic synthesis. Its unique combination of functional groups allows for diverse chemical transformations and the construction of complex molecular architectures.

Building Block for Specialty Chemicals

This compound is employed as a building block in the synthesis of specialty chemicals. Its structure is amenable to various reactions, facilitating the development of novel materials and compounds with specific properties.

Research and Development

In research and development settings, 3-Methyl-1-penten-4-yn-3-ol is used to explore new synthetic pathways and create novel chemical entities. Its utility spans academic and industrial laboratory environments.

02 /Properties

Molecular weight	96.13
Linear formula	HC≡CC(CH3)(OH)CH=CH2
Assay	98%
Boiling point	63-65 °C/100 mmHg(lit.)
Density	0.89 g/mL at 25 °C(lit.)
Refractive index	n20/D 1.446(lit.)

03 /Safety & handling

GHS hazard pictogram: Flammable (GHS02) — Flammable

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

Warning

Hazard statements

H226Flammable liquid and vapour
H302Harmful if swallowed

Protective equipment	Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
Flash point	32 °C / 89.6 °F
Transport (UN / ADR)	UN 1987C 3 / PGIII
Water hazard class (WGK, DE)	1
Hazard codes (EU)	Xn
Risk statements (R)	22
Safety statements (S)	36

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

04 /Identifiers & registry

CAS number

3230-69-1

MDL number

MFCD01709006

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 3-Methyl-1-penten-4-yn-3-ol used for?

3-Methyl-1-penten-4-yn-3-ol is primarily used as an intermediate and building block in organic synthesis and for research and development purposes in creating complex molecules.

What is the CAS number and molecular formula for 3-Methyl-1-penten-4-yn-3-ol?

The CAS number is 3230-69-1, and its molecular formula is HC≡CC(CH₃)(OH)CH=CH₂.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies 3-Methyl-1-penten-4-yn-3-ol with an assay of 98%. We do not represent this product as USP, BP, or EP grade.

How should 3-Methyl-1-penten-4-yn-3-ol be handled?

Handle with appropriate personal protective equipment, including eyeshields, face shields, gloves, and a suitable respirator. This compound is flammable (flash point 32 °C) and harmful if swallowed, requiring careful handling to avoid ignition sources and ingestion.