Propargyl alcohol
Propargyl alcohol (CAS: 107-19-7), also known as 2-propyn-1-ol, is a clear, colourless liquid with the chemical formula HC≡CCH₂OH. This terminal alkyne and primary alcohol possesses a molecular weight of 56.06 g/mol. It serves as a versatile building block in organic synthesis, finding utility in the production of pharmaceuticals, agrochemicals, and various specialty chemicals due to its reactive triple bond and hydroxyl group.
- IUPAC
- 2-Propyn-1-ol
- Synonyms
- 2-Propyn-1-ol
Chemical Synthesis Intermediate
Propargyl alcohol is a fundamental building block for introducing the propargyl group into organic molecules. Its terminal alkyne functionality allows for facile reactions such as Sonogashira coupling and click chemistry, enabling the synthesis of complex heterocyclic compounds.
Corrosion Inhibitor
This compound acts as an effective corrosion inhibitor, particularly in acidic environments for steel and other metals. It forms a protective film on metal surfaces, preventing degradation in industrial processes.
Electroplating Additive
In the electroplating industry, propargyl alcohol is employed as a brightener and levelling agent. It helps to produce smooth, bright, and uniform metal deposits during plating processes.
Pharmaceutical and Agrochemical Precursor
Its reactive nature makes it a valuable starting material for the synthesis of active pharmaceutical ingredients (APIs) and crop protection agents. The propargyl moiety can be incorporated to modify biological activity.
| Molecular weight | 56.06 |
|---|---|
| Linear formula | HC≡CCH2OH |
| Assay | 99% |
| Boiling point | 114-115 °C(lit.) |
| Density | 0.963 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.432(lit.) |
| Vapour pressure | 11.6 mmHg (20 °C) |
| Melting point | −53 °C(lit.) |
| Vapour density | 1.93 (vs air) |
| Storage temperature | 2-8°C |
Hazard statements
- H226Flammable liquid and vapour
- H301Toxic if swallowed
- H311Toxic in contact with skin
- H314Causes severe skin burns and eye damage
- H331Toxic if inhaled
- H411Toxic to aquatic life with long-lasting effects
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- P301IF SWALLOWED
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 33 °C / 91.4 °F |
| Transport (UN / ADR) | UN 2929 6.1/PG 1 |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | T,N |
| Risk statements (R) | 10-23/24/25-34-51/53 |
| Safety statements (S) | 26-28-36-45-61 |
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 Propargyl Alcohol primarily used for?
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Propargyl alcohol is primarily used as a versatile intermediate in organic synthesis, finding applications in the production of pharmaceuticals, agrochemicals, corrosion inhibitors, and as an electroplating additive.
What are the CAS number and chemical formula for Propargyl Alcohol?
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The CAS number for Propargyl alcohol is 107-19-7, and its chemical formula is HC≡CCH₂OH.
What grade and purity does Tech Serve Solutions supply for Propargyl Alcohol?
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Tech Serve Solutions supplies Propargyl alcohol with an assay of 99%. We do not represent this product as USP, BP, or EP grade.
How should Propargyl Alcohol be handled safely?
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Propargyl alcohol is a dangerous substance. It is flammable (H226), acutely toxic if swallowed, in contact with skin, or if inhaled (H301, H311, H331), and causes severe skin burns and eye damage (H314). It is also toxic to aquatic life with long-lasting effects (H411). Always use appropriate personal protective equipment, including gloves, goggles, face shields, and respiratory protection, and handle only in well-ventilated areas. Refer to the Safety Data Sheet for comprehensive handling instructions.
How is Propargyl Alcohol packed, shipped, and exported by TSS?
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Tech Serve Solutions, as a specialist global supplier and exporter, ensures Propargyl alcohol is packed, shipped, and exported in compliance with all relevant international regulations for hazardous materials.
How can I request a sample or quote for Propargyl Alcohol?
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To request a sample or a quote for Propargyl alcohol, please contact the Tech Serve Solutions sales team through our official website or direct inquiry channels.
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