(3-Bromo-1-propynyl)benzene solution
(3-Bromo-1-propynyl)benzene solution (CAS: 1794-48-5, Formula: C9H7Br) is a chemical compound with a molecular weight of 195.06 g/mol. Supplied as approximately 75% in toluene, this organobromine compound serves as a valuable building block in organic synthesis. It is primarily utilised in chemical research and development for the construction of more complex molecular architectures, owing to its reactive alkyne and bromide functionalities.
- IUPAC
- 3-Bromo-1-phenylpropyne
- Synonyms
- 3-Bromo-1-phenylpropyne

Organic Synthesis Intermediate
Serves as a key intermediate in the synthesis of complex organic molecules. Its structure, featuring both an alkyne and a benzylic bromide, allows for diverse chemical transformations.
Building Block for Pharmaceutical Research
Used in the development of novel pharmaceutical compounds. The propynylbenzene moiety can be incorporated into potential drug candidates to explore structure-activity relationships.
Reagent in Materials Science
Applicable in the synthesis of functional materials. The compound's structure may lend itself to incorporation into polymers or other advanced materials.
| Molecular weight | 195.06 |
|---|---|
| Empirical formula | C9H7Br |
| Concentration | ~75% in toluene |
| Storage temperature | −20°C |




Hazard statements
- H225Highly flammable liquid and vapour
- H302Harmful if swallowed
- H304May be fatal if swallowed and enters airways
- H315Causes skin irritation
- H318Causes serious eye damage
- H336May cause drowsiness or dizziness
- H361D
- H373May cause damage to organs through prolonged exposure
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P301IF SWALLOWED
- P305IF IN EYES
- P331Do NOT induce vomiting
| Flash point | 4 °C / 39.2 °F |
|---|---|
| Transport (UN / ADR) | UN 1294 3 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F,Xn |
| Risk statements (R) | 63-11-22-38-41-48/20-65-67 |
| Safety statements (S) | 16-26-36/37/39-62 |
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 (3-Bromo-1-propynyl)benzene solution used for?
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(3-Bromo-1-propynyl)benzene solution is used as a building block in organic synthesis and for research in pharmaceutical development and materials science.
What is the CAS number and formula for this compound?
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The CAS number is 1794-48-5 and the empirical formula is C9H7Br.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (3-Bromo-1-propynyl)benzene solution at approximately 75% concentration in toluene. This product is intended for research and laboratory use and is not represented as USP, BP, EP, or any other pharmacopoeia grade.
How should (3-Bromo-1-propynyl)benzene solution be handled?
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This compound is a Danger hazard, classified as flammable liquid and vapour (H225), harmful if swallowed (H302), may be fatal if swallowed and enters airways (H304), causes skin irritation (H315), causes serious eye damage (H318), may cause drowsiness or dizziness (H336), may damage fertility or the unborn child (H361d), and may cause damage to organs through prolonged or repeated exposure (H373). Handle with appropriate personal protective equipment in a well-ventilated area, keeping away from ignition sources.
How is (3-Bromo-1-propynyl)benzene solution shipped?
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This product is classified under UN 1294, Hazard Class 3, Packing Group II. It is carefully packaged and exported by Tech Serve Solutions in compliance with all relevant shipping regulations.
How can I request a sample or quote?
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To request a sample or a quote for (3-Bromo-1-propynyl)benzene solution, please contact our sales team through the website or by telephone.
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