3,3-Dimethylallyl bromide
3,3-Dimethylallyl bromide (CAS 870-63-3), with the linear formula (CH₃)₂C=CHCH₂Br and a molecular weight of 149.03 g/mol, is an acyclic alkene used as a building block in organic synthesis. It is valuable for introducing the 3,3-dimethylallyl (prenyl) group into molecules. Its applications include the preparation of complex organic compounds and natural products.
- IUPAC
- 1-Bromo-3-methyl-2-butene,Prenyl bromide
- Synonyms
- 1-Bromo-3-methyl-2-butenePrenyl bromide
Synthesis of Eldanolide
3,3-Dimethylallyl bromide has been utilised in the synthetic pathways towards (±)-eldanolide, a natural product.
Preparation of Substituted Tryptophans
This reagent can be employed in the synthesis of derivatives such as 1-(3,3-dimethylallyl)-L-tryptophan.
Precursor for Antibiotics
It has found application in the synthesis of compounds like (±)-fumagillin, an antibiotic derived from *Aspergillus fumigattus*.
| Molecular weight | 149.03 |
|---|---|
| Linear formula | (CH3)2C=CHCH2Br |
| Assay | ~90% |
| Boiling point | 82-83 °C/150 mmHg(lit.) |
| Density | 1.29 g/mL at 20 °C(lit.) |
| Refractive index | n20/D 1.489(lit.) |
| Storage temperature | 2-8°C |
| Contains / stabiliser | silver wool as stabilizer |
| Application | 3,3-Dimethylallyl bromide has been used in the preparation of:• (±)-eldanolide1• 1-(3,3-dimethylallyl)-L-tryptophan2• (±)-fumagillin, antibiotic isolated from Aspergillus fumigattus3 |
Hazard statements
- H226Flammable liquid and vapour
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 40 °C / 104 °F |
| Transport (UN / ADR) | UN 2920 3(8) / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 10-34 |
| Safety statements (S) | 26-36/37/39-45 |
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 3,3-Dimethylallyl bromide used for?
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3,3-Dimethylallyl bromide is used in organic synthesis as a building block for introducing the 3,3-dimethylallyl group, notably in the preparation of compounds like (±)-eldanolide, 1-(3,3-dimethylallyl)-L-tryptophan, and (±)-fumagillin.
What is the CAS number and formula for 3,3-Dimethylallyl bromide?
+
The CAS number is 870-63-3 and the linear formula is (CH₃)₂C=CHCH₂Br.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3,3-Dimethylallyl bromide with an assay of approximately 90%. This product is intended for research and industrial applications and is not supplied as USP, BP, EP, or pharmaceutical grade.
How should 3,3-Dimethylallyl bromide be handled and stored?
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3,3-Dimethylallyl bromide is a flammable liquid and corrosive. It requires handling with appropriate personal protective equipment, including face shields, gloves, and respirators. Storage should be at 2-8°C.
How is this chemical packed, shipped, and exported?
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3,3-Dimethylallyl bromide is carefully packed according to international regulations for hazardous materials and is available for export globally by Tech Serve Solutions.
How can I request a quote or sample?
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Please contact our sales team through the website to request a quote or a sample of 3,3-Dimethylallyl bromide.
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