Molekula
Ethylmagnesium bromide 40% (w/w) in 2-MeTHF
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Certificate of Analysis with every batch
Ethylmagnesium bromide is a Grignard reagent, a highly reactive organomagnesium compound widely used in organic synthesis for carbon-carbon bond formation, such as in the preparation of alcohols, ketones, and other complex molecules. This product is supplied as a 40% (w/w) solution in 2-MeTHF, offering improved stability and handling compared to traditional ether-based solvents. Ethylmagnesium bromide (CAS 925-90-6) has the molecular formula C2H5BrMg and a molecular weight of 133.27. It is stored at ambient temperature and classified with a signal word of *Danger* due to its reactivity with moisture and oxidizing agents. Molekula supplies Ethylmagnesium bromide 40% (w/w) in 2-MeTHF from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
Ethylmagnesium bromide is a Grignard reagent, a highly reactive organomagnesium compound widely used in organic synthesis for carbon-carbon bond formation, such as in the preparation of alcohols, ketones, and other complex molecules. This product is supplied as a 40% (w/w) solution in 2-MeTHF, offering improved stability and handling compared to traditional ether-based solvents. Ethylmagnesium bromide (CAS 925-90-6) has the molecular formula C2H5BrMg and a molecular weight of 133.27. It is stored at ambient temperature and classified with a signal word of *Danger* due to its reactivity with moisture and oxidizing agents. Molekula supplies Ethylmagnesium bromide 40% (w/w) in 2-MeTHF from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Pricing & pack sizes
Specifications
| Property | Value |
|---|---|
| Appearance | Clear to yellow to brown to grey solution |
| Assay | 36-44% |
| Note | May develop some turbidity |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | -11 C |
| Transport Class | 4.3 (3) |
| Packing Group | I |
| Acidity | Base |
Identification
| Property | Value |
|---|---|
| SKU | 90038281 |
| CAS Number | 925-90-6 |
| Molecular Formula | C2H5BrMg |
| Molecular Weight | 133.27 |
| SMILES | C[CH2-].[Mg+2].[Br-] |
| EC / UN Number | 3399 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2931.90.9052 |
| Tariff Code | 2931900090 |
Safety & GHS
-
Flammable
GHS02
-
Corrosive
GHS05
-
Health Hazard
GHS07
Hazard statements
- EUH014 Reacts violently with water
- EUH019 May form explosive peroxides
- H225 Highly flammable liquid and vapour
- H260 In contact with water releases flammable gases which may ignite spontaneously
- H302 Harmful if swallowed
- H314 (sub cat. 1B) Causes severe skin burns and eye damage
Precautionary statements
- P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
- P222 Do not allow contact with air
- P223 Keep away from any possible contact with water, because of violent reaction and possible flash fire
- P231+232 Handle under inert gas. Protect from moisture
- 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
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.
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is Ethylmagnesium bromide (40% in 2-MeTHF) commonly used for?
This reagent is primarily used in organic synthesis as a Grignard reagent for forming carbon-carbon bonds, such as in the preparation of alcohols, ketones, and other complex molecules.
What is the chemical formula and molecular weight of Ethylmagnesium bromide?
The formula is **C₂H₅BrMg** with a molecular weight of **133.27 g/mol** (for the pure compound; the 40% solution accounts for the solvent, 2-MeTHF).
How should Ethylmagnesium bromide (40% in 2-MeTHF) be stored?
Store under an inert atmosphere (e.g., nitrogen or argon) in a tightly sealed container at **ambient temperature**, away from moisture, air, and incompatible substances.
What grade or purity is available for this product?
Molekula supplies this as a **technical-grade reagent** (40% w/w in 2-MeTHF), suitable for research and development applications requiring high reactivity.
Can Molekula supply Ethylmagnesium bromide in bulk quantities?
Yes, bulk quantities are available upon request—contact our sales team for pricing, lead times, and packaging options tailored to your needs.
What documentation is provided with an order of Ethylmagnesium bromide?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and a product specification sheet detailing purity, solvent content, and handling precautions.
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