Molekula
1-Phenyl-2-propyn-1-one
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
1-Phenyl-2-propyn-1-one is an aromatic ketone with a terminal alkyne group, widely used as a building block in organic synthesis, pharmaceutical intermediates, and as a reactive ynone Michael acceptor and cycloaddition partner in heterocycle synthesis. It is a white to pale yellow crystalline solid with a distinct odor. CAS 3623-15-2, molecular formula C9H6O, molecular weight 130.14 g/mol. Store between 2 to 8 °C in a cool, dry place, away from incompatible substances. Signal word: Warning. Molekula supplies 1-Phenyl-2-propyn-1-one from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
In stock — same-day dispatch
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
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250 mg — £171.30 per pack ex VAT · £205.56 inc. VAT
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Specifications
| Property | Value |
|---|---|
| Appearance | White/ off white crystalline powder |
| Purity (HPLC) | ≥95.0% |
| Identification | Conforms to reference |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 90028113 |
| CAS Number | 3623-15-2 |
| IUPAC Name | 1-phenylprop-2-yn-1-one |
| Molecular Formula | C9H6O |
| Molecular Weight | 130.14 |
| Exact Mass | 130.0419 |
| SMILES | C#CC(=O)C1=CC=CC=C1 |
| InChIKey | JITPLZPWKYUTDM-UHFFFAOYSA-N |
| InChI | InChI=1S/C9H6O/c1-2-9(10)8-6-4-3-5-7-8/h1,3-7H |
| PubChem CID | 77179 |
| REACH Code | Y110 |
| HTS Code | 2914.39.9000 |
| Tariff Code | 2914390090 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H302 Harmful if swallowed
- H319 Causes serious eye irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- P302+352 IF ON SKIN: Wash with soap and water
- P304+341 IF INHALED: If breathing is difficult, remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
Synonyms
- 1-phenylprop-2-yn-1-one
- 2-Propyn-1-one, 1-phenyl-
- 3-Oxo-3-phenylpropyne
- Benzoylacetylene
- Ethyne, benzoyl-
- Ethynyl phenyl ketone
- Phenyl ethynyl ketone
- Propiolophenone
- Propioloylbenzene
- Propynophenone
Frequently asked questions
What is 1-Phenyl-2-propyn-1-one commonly used for?
It is primarily used as a reagent in organic synthesis, including the preparation of heterocycles, acetylenic compounds, and as a building block in pharmaceutical and agrochemical intermediates.
What is the molecular formula and molecular weight of 1-Phenyl-2-propyn-1-one?
The molecular formula is C9H6O, and the molecular weight is 130.14 g/mol.
How should 1-Phenyl-2-propyn-1-one be stored?
Store at 2–8°C in a cool, dry place, away from incompatible substances and direct sunlight.
What grades or purity levels are available for this product?
Molekula supplies analytical standard grade (≥98% purity) and synthetic grade (≥97% purity) for this compound.
Can Molekula supply 1-Phenyl-2-propyn-1-one in bulk quantities?
Yes, we offer bulk packaging options (e.g., 5 kg, 25 kg, and larger) for industrial or large-scale research applications.
What documentation comes with an order of 1-Phenyl-2-propyn-1-one?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS), and a batch-specific label with hazard warnings (Signal Word: Warning).
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.