Molekula
Propargyl bromide 80% in toluene stabilized with 0.3% MgO
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Propargyl bromide (80% in toluene) is an alkylating agent with a terminal alkyne functional group, widely used in organic synthesis for coupling reactions, pharmaceutical intermediates, and agrochemical production. It is a stabilized solution containing 0.3% magnesium oxide to prevent decomposition. This product has a CAS number of 106-96-7, a molecular formula of HC≡CCH2Br, and a molecular weight of 118.96 g/mol. It must be stored between 2 to 8°C and carries a **Danger** signal word for its hazardous properties. Molekula supplies Propargyl bromide 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
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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Specifications
| Property | Value |
|---|---|
| Appearance | Colourless to light green-yellow to light yellow liquid |
| Toluene | (GC) 13 - 27% |
| Stabilizer ~ 0.3% | Magnesium oxide, present as insoluble in product |
| Purity (Silver nitrate titration) | 73 - 87% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Flash Point | 4 °C |
| Transport Class | 3 |
| Packing Group | II |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 90027269 |
| CAS Number | 106-96-7 |
| IUPAC Name | 3-bromoprop-1-yne |
| EC Number | 203-447-1 |
| Molecular Formula | HC≡CCH2Br |
| Molecular Weight | 118.96 |
| Exact Mass | 117.9418 |
| SMILES | C#CCBr |
| InChIKey | YORCIIVHUBAYBQ-UHFFFAOYSA-N |
| InChI | InChI=1S/C3H3Br/c1-2-3-4/h1H,3H2 |
| PubChem CID | 7842 |
| UN Number | UN2345 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2903.69.9000 |
| Tariff Code | 2903691990 |
Safety & GHS
-
Flammable
GHS02
-
Corrosive
GHS05
-
Toxic
GHS06
-
Health Hazard
GHS07
-
Serious Health Hazard
GHS08
Hazard statements
- H225 Highly flammable liquid and vapour
- H301 Toxic if swallowed
- H304 May be fatal if swallowed and enters airways
- H314 (sub cat. 1B) Causes severe skin burns and eye damage
- H336 May cause drowsiness or dizziness
- H361d Suspected of damaging fertility. Suspected of damaging the unborn child.
- H373 May cause damage to organs through prolonged or repeated exposure
Precautionary statements
- P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
- P263 Avoid contact during pregnancy/while nursing
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
- P304+340 IF INHALED: 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, Russian, 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.
Synonyms
- 1-Brom-2-propin
- 1-Bromo-2-propyne
- 1-Propyne, 3-bromo-
- 2-Propynyl bromide
- 3-Bromo-1-propyne
- 3-bromoprop-1-yne
- 3-Bromopropyne
- Gamma-bromoallylene
- Propyne, 3-bromo-
- Propynyl bromide
Frequently asked questions
What is propargyl bromide (80% in toluene) commonly used for?
Propargyl bromide is primarily used as an alkylating agent in organic synthesis, particularly for introducing propargyl groups into molecules, and as a reagent in pharmaceutical and agrochemical intermediate production.
What is the chemical formula and molecular weight of propargyl bromide?
The chemical formula is **HC≡CCH₂Br**, and the molecular weight is **118.96 g/mol** (for the pure compound; the solution accounts for toluene and MgO stabilizer).
How should propargyl bromide (80% in toluene) be stored?
Store at **2–8°C** in a tightly sealed container under an inert atmosphere (e.g., nitrogen) to minimize degradation and moisture exposure.
What grade or purity is available for propargyl bromide from Molekula?
Molekula supplies this product as an **80% solution in toluene**, stabilized with **0.3% MgO**, suitable for research and development applications requiring high reactivity.
Can Molekula supply propargyl bromide in bulk quantities?
Yes, bulk quantities are available upon request—contact Molekula’s sales team for pricing, lead times, and packaging options tailored to your needs.
What documentation comes with an order of propargyl bromide?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS/SDS)**, and a **batch-specific analytical report** confirming purity and stability.
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.