Methyl propargyl ether
Methyl propargyl ether (CAS: 627-41-8, Formula: HC≡CCH₂OCH₃) is a versatile organic compound with a molecular weight of 70.09 g/mol. It is primarily utilised as a building block in organic synthesis and chemical research. This terminal alkyne offers a reactive propargyl group, making it valuable for various chemical transformations. Tech Serve Solutions (TSS) supplies this reagent for laboratory and industrial applications where its unique chemical properties are required.
- IUPAC
- 3-Methoxy-1-propyne,Methyl 2-propynyl ether
- Synonyms
- 3-Methoxy-1-propyneMethyl 2-propynyl ether

Organic Synthesis Intermediate
Methyl propargyl ether serves as a key building block in the synthesis of more complex organic molecules. Its terminal alkyne functionality allows for a range of reactions, including cycloadditions and coupling reactions.
Chemical Research Reagent
Utilised in academic and industrial research laboratories for the development of novel compounds and reaction pathways. Its structure is amenable to modifications for creating diverse chemical entities.
Synthesis of Organometallic Compounds
Has been employed in the synthesis of specific organometallic complexes, such as in the preparation of ruthenium clusters, demonstrating its utility in coordination chemistry research.
| Molecular weight | 70.09 |
|---|---|
| Linear formula | HC≡CCH2OCH3 |
| Assay | ≥97% |
| Boiling point | 61-62 °C(lit.) |
| Density | 0.83 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.396(lit.) |
| Storage temperature | 2-8°C |
| Application | Methyl propargyl ether was used in the synthesis of [Ru3(μ3-κ(2)-HNNMe2)(μ3-κ(2)-MeOCH2CCH2)(μ-CO)2(CO)6]1. |


Hazard statements
- H225Highly flammable liquid and vapour
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US) |
|---|---|
| Flash point | -18 °C / -.4 °F |
| Transport (UN / ADR) | UN 3271 3 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F,Xi |
| Risk statements (R) | 11-36/37/38 |
| Safety statements (S) | 16-26-36/37/39 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
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.
What is Methyl propargyl ether used for?
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Methyl propargyl ether is used as a building block and intermediate in organic synthesis and chemical research, including the preparation of organometallic compounds.
What is the CAS number and formula for Methyl propargyl ether?
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The CAS number for Methyl propargyl ether is 627-41-8, and its linear formula is HC≡CCH₂OCH₃.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Methyl propargyl ether with an assay of ≥97%. This product is typically considered a technical or research grade and is not represented as USP, BP, or EP.
How should Methyl propargyl ether be handled safely?
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Methyl propargyl ether is a highly flammable liquid and vapour (H225) and can cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Handle with appropriate personal protective equipment, including eyeshields, gloves, and in a well-ventilated area, away from ignition sources.
How is Methyl propargyl ether packed, shipped, and exported?
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Methyl propargyl ether is classified under UN 3271, Class 3, Packing Group II for transport. TSS adheres to all regulations for the safe packing, shipping, and global export of this chemical.
How can I request a sample or quote for Methyl propargyl ether?
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To request a sample or a quote for Methyl propargyl ether, please contact our sales team through the website or by phone, providing your specific requirements.
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