Molekula
Ethynylmagnesium Bromide, 0.5M in Tetrahydrofuran
Ethynylmagnesium bromide, 0.5M in tetrahydrofuran, is a Grignard reagent used in organic synthesis for carbon-carbon bond formation, particularly in the preparation of alkynes and other functionalized compounds. It is supplied in a stable, anhydrous tetrahydrofuran solution. CAS: 4301-14-8, molecular formula: HC≡CMgBr, molecular weight: 129.24 g/mol, stored at 2 to 8 °C. Danger signal word applies due to flammability and reactivity. Molekula supplies Ethynylmagnesium Bromide from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
Ethynylmagnesium bromide, 0.5M in tetrahydrofuran, is a Grignard reagent used in organic synthesis for carbon-carbon bond formation, particularly in the preparation of alkynes and other functionalized compounds. It is supplied in a stable, anhydrous tetrahydrofuran solution. CAS: 4301-14-8, molecular formula: HC≡CMgBr, molecular weight: 129.24 g/mol, stored at 2 to 8 °C. Danger signal word applies due to flammability and reactivity. Molekula supplies Ethynylmagnesium Bromide from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Pricing & pack sizes
Specifications
| Property | Value |
|---|---|
| Appearance | Clear to hazy, colourless to yellow to grey to brown liquid |
| Assay (Titration) | 0.40-0.60M |
| Note | May develop some turbidity or precipitate |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Flash Point | -17 C |
| Transport Class | 4.3 (3) |
| Packing Group | II |
| Shelf Life | 12 months |
| Acidity | Base |
Identification
| Property | Value |
|---|---|
| CAS Number | 4301-14-8 |
| Molecular Formula | HC≡CMgBr |
| Molecular Weight | 129.24 |
| SMILES | C#[C-].[Mg+2].[Br-] |
| EC / UN Number | 3399 |
| REACH Code | Y110 |
| HTS Code | 2931.90.9052 |
| Tariff Code | 2931900090 |
Safety & GHS
-
Flammable
GHS02
-
Corrosive
GHS05
-
Health Hazard
GHS07
-
Serious Health Hazard
GHS08
Hazard statements
- EUH014 Reacts violently with water
- EUH019 May form explosive peroxides
- H225 Highly flammable liquid and vapour
- H261 In contact with water releases flammable gas
- H314 (sub cat. 1B) Causes severe skin burns and eye damage
- H336 May cause drowsiness or dizziness
- H351 Suspected of causing cancer
Precautionary statements
- P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
- P223 Keep away from any possible contact with water, because of violent reaction and possible flash fire
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P308+313 IF exposed or concerned: Get medical advice/attention
For research and industrial use only
Documents
Safety Data Sheets (SDS)
Available in DE, EN.
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
No alternate names recorded for this product.
Frequently asked questions
What is Ethynylmagnesium Bromide used for?
It is primarily used as a nucleophilic reagent in organic synthesis, particularly for forming carbon-carbon bonds in the preparation of alkynes and other complex molecules.
What is the chemical formula and molecular weight?
The formula is HC≡CMgBr with a molecular weight of 129.24 g/mol.
How should Ethynylmagnesium Bromide be stored?
It must be stored at 2 to 8 °C and protected from moisture and air to maintain stability.
What grade is available for this product?
This product is available as a standard reagent grade, suitable for laboratory-scale synthetic applications.
Can Molekula supply Ethynylmagnesium Bromide in bulk?
Yes, Molekula can supply this reagent in bulk quantities—please contact our sales team for custom order details.
What documentation comes with the order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.
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.