Pentadecylmagnesium bromide solution
Pentadecylmagnesium bromide solution (CAS 78887-70-4) is an organometallic compound with the linear formula CH3(CH2)14MgBr. Supplied as a 0.5 M solution in diethyl ether, this Grignard reagent is a highly reactive species utilised in organic synthesis for the formation of carbon-carbon bonds. Its applications are primarily within research and development laboratories, contributing to the synthesis of complex organic molecules and intermediates.

Organometallic Synthesis
As a Grignard reagent, pentadecylmagnesium bromide is employed to introduce the pentadecyl group into organic molecules. It reacts with electrophiles such as aldehydes, ketones, esters, and epoxides to form new carbon-carbon bonds, facilitating the construction of more complex molecular architectures.
Chemical Synthesis Intermediate
This reagent serves as a key intermediate in multi-step organic syntheses. It enables the controlled addition of a long alkyl chain, which is valuable in the development of pharmaceuticals, agrochemicals, and specialty materials.
Research and Development
Pentadecylmagnesium bromide solution is utilised in academic and industrial research settings to explore novel synthetic pathways and develop new chemical entities. Its reactivity profile makes it a valuable tool for synthetic chemists.
| Molecular weight | 315.62 |
|---|---|
| Linear formula | CH3(CH2)14MgBr |
| Boiling point | 34.6 °C |
| Density | 0.793 g/mL at 25 °C |
| Concentration | 0.5 M in diethyl ether |



Hazard statements
- H224Extremely flammable liquid and vapour
- H261In contact with water releases flammable gas
- H302Harmful if swallowed
- H314Causes severe skin burns and eye damage
- H336May cause drowsiness or dizziness
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P231Handle under inert gas
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P422
| Protective equipment | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US) |
|---|---|
| Flash point | -40 °CCo: ≤5 mg/kgCr: ≤5 mg/kgCu: ≤5 mg/kgFe: ≤10 mg/kgK: ≤200 mg/kgMg: ≤20 mg/kgMn: ≤5 mg/kgNi: ≤5 mg/kgPb: ≤5 mg/kgZn: ≤5 mg/kg / -40 °FCd: ≤5 mg/kg |
| Transport (UN / ADR) | UN 3399 4.3/PG 1phosphate (PO43-): ≤15 mg/kg |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F+,C |
| Risk statements (R) | 12-14/15-19-22-34-40-67H2O: soluble0.1 M at 20 °C, clear, colorless |
| Safety statements (S) | 16-26-36/37/39-43-45 |
| Supplemental hazards | May form explosive peroxides., Reacts violently with water. |
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 Pentadecylmagnesium bromide solution used for?
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Pentadecylmagnesium bromide solution is primarily used in organic synthesis as a Grignard reagent to introduce the pentadecyl group into organic molecules and as an intermediate in the synthesis of complex compounds.
What is the CAS number and formula for Pentadecylmagnesium bromide solution?
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The CAS number is 78887-70-4, and the linear formula is CH3(CH2)14MgBr.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Pentadecylmagnesium bromide solution at a concentration of 0.5 M in diethyl ether. We do not represent this product as USP, BP, or EP grade.
How should Pentadecylmagnesium bromide solution be handled safely?
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This solution is highly flammable (H224), reacts violently with water (H314, Supplemental Hazard Statement), and can cause severe skin burns and eye damage (H314). It may also cause respiratory irritation and drowsiness (H336). Handle in a well-ventilated area, away from ignition sources, and wear appropriate personal protective equipment including gloves, goggles, and a face shield. Avoid contact with water. May form explosive peroxides (Supplemental Hazard Statement).
Is Pentadecylmagnesium bromide solution shipped internationally?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including Pentadecylmagnesium bromide solution.
How can I request a sample or quote for Pentadecylmagnesium bromide solution?
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Please contact our sales team via the website or direct email to request a sample or obtain a quotation for Pentadecylmagnesium bromide solution.
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