1-Bromo-2-methyl-1-propene
1-Bromo-2-methyl-1-propene (CAS 3017-69-4) is a halogenated hydrocarbon with the linear formula (CH₃)₂C=CHBr and a molecular weight of 135.00 g/mol. This organic building block finds application in chemical synthesis, particularly in the preparation of esters and complex organic molecules. It serves as a valuable intermediate for researchers and manufacturers requiring specific halogenated alkenyl compounds.
- IUPAC
- Isocrotyl bromide
- Synonyms
- Isocrotyl bromide
Preparation of Esters
1-Bromo-2-methyl-1-propene is utilised in palladium-catalyzed reactions to prepare esters of 2,4-dienoic acids when reacted with methyl acrylate in the presence of triethylamine.
Organic Synthesis Intermediate
This compound has been employed in the total synthesis of biologically relevant molecules, such as the ocular age pigment A2-E, showcasing its utility in complex synthetic pathways.
Synthesis of Labeled Compounds
It serves as a precursor in the synthesis of isotopically labeled compounds, including 3-nor-geraniol [²H₂], which is important for mechanistic studies.
| Molecular weight | 135.00 |
|---|---|
| Linear formula | (CH3)2C=CHBr |
| Assay | 98% |
| Boiling point | 92 °C(lit.) |
| Density | 1.318 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.462(lit.) |
| Storage temperature | 2-8°C |
| Application | 1-Bromo-2-methyl-1-propene has been used in:• preparation of esters of 2,4-dienoic acids via palladium catalyzed reaction with methyl acrylate in the presence of triethylamine1• total synthesis of ocular age pigment, A2-E2• synthesis of 3-nor-geraniol [2H2]3 |
Hazard statements
- H225Highly flammable liquid and vapour
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 7 °C / 44.6 °F |
| Transport (UN / ADR) | UN 1993BE 3 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F,Xi |
| Risk statements (R) | 11-36/37/38 |
| Safety statements (S) | 16-26-33 |
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 1-Bromo-2-methyl-1-propene used for?
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1-Bromo-2-methyl-1-propene is used as an intermediate in chemical synthesis, including the preparation of esters of 2,4-dienoic acids, total synthesis of ocular age pigment A2-E, and synthesis of 3-nor-geraniol [²H₂].
What is the CAS number and formula for 1-Bromo-2-methyl-1-propene?
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The CAS number is 3017-69-4 and the linear formula is (CH₃)₂C=CHBr.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1-Bromo-2-methyl-1-propene with an assay of 98%. We do not represent this product as USP, BP, or EP grade.
What are the main safety hazards associated with 1-Bromo-2-methyl-1-propene?
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1-Bromo-2-methyl-1-propene is highly flammable (H225) and causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Appropriate personal protective equipment, including eyeshields, gloves, and suitable respiratory protection, must be used.
How is 1-Bromo-2-methyl-1-propene typically stored and shipped?
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The recommended storage temperature is 2-8°C. It is shipped as UN 1993, Class 3, Packing Group II, indicating it is a flammable liquid.
How can I request a sample or quote for 1-Bromo-2-methyl-1-propene?
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To request a sample or obtain a quote, please contact our sales team via the website or direct contact details provided. We handle global exports of fine chemicals.
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