4-tert-Butylbenzyl bromide
4-tert-Butylbenzyl bromide (CAS 18880-00-7) is an organic compound with the linear formula (CH3)3CC6H4CH2Br and a molecular weight of 227.14 g/mol. This aryl halide serves as a valuable building block in chemical synthesis. Its structure, featuring a tert-butyl group and a bromomethyl substituent on a benzene ring, makes it useful for introducing the 4-tert-butylbenzyl moiety into various organic molecules.
- IUPAC
- α-Bromo-4-(tert-butyl)toluene,1-Bromomethyl-4-tert-butylbenzene
- Synonyms
- α-Bromo-4-(tert-butyl)toluene1-Bromomethyl-4-tert-butylbenzene

Organic Synthesis Intermediate
4-tert-Butylbenzyl bromide is widely employed as an intermediate in the synthesis of more complex organic molecules. It is particularly useful for alkylation reactions, where the 4-tert-butylbenzyl group can be introduced onto nucleophiles.
Pharmaceutical Building Block
The compound can be utilized in the development of novel pharmaceutical compounds. Its structural features allow for its incorporation into drug candidates during research and development phases.
Material Science Research
Researchers in material science may use 4-tert-Butylbenzyl bromide as a precursor for synthesising polymers or functionalised materials. The tert-butyl group can influence solubility and steric properties.
| Molecular weight | 227.14 |
|---|---|
| Linear formula | (CH3)3CC6H4CH2Br |
| Assay | 97% |
| Grade | technical |
| Boiling point | 93-94 °C/1.5 mmHg(lit.) |
| Density | 1.236 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.545(lit.) |
| Melting point | 8-12 °C(lit.) |

Hazard statements
- 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 | 110 °C / 230 °F |
| Transport (UN / ADR) | UN 3265 8 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 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 4-tert-Butylbenzyl bromide used for?
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4-tert-Butylbenzyl bromide is primarily used as an intermediate in organic synthesis, including in the development of pharmaceuticals and functionalised materials.
What is the CAS number and formula for 4-tert-Butylbenzyl bromide?
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The CAS number for 4-tert-Butylbenzyl bromide is 18880-00-7, and its linear formula is (CH3)3CC6H4CH2Br.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-tert-Butylbenzyl bromide with an assay of 97% and a technical grade. We do not represent this product as USP, BP, or EP grade.
How should 4-tert-Butylbenzyl bromide be handled safely?
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4-tert-Butylbenzyl bromide is a danger (GHS05) and can cause severe skin burns and eye damage (H314). Handling requires appropriate personal protective equipment, including a face shield, gloves, and goggles. Ensure adequate ventilation and consult the safety data sheet for detailed guidance.
How is 4-tert-Butylbenzyl bromide packed, shipped, and exported?
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4-tert-Butylbenzyl bromide is packed in compliance with UN 3265 8 / PGII regulations. We offer global export services, adhering to all international shipping and customs requirements.
How can I request a sample or quote for 4-tert-Butylbenzyl bromide?
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To request a sample or a quotation, please contact our sales department through the website or by phone, providing your contact details and the required quantity.
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