(R)-4-Bromo-α-methylbenzyl alcohol
(R)-4-Bromo-α-methylbenzyl alcohol (CAS: 76155-78-7) is a chiral organic compound with the formula BrC6H4CH(CH3)OH and a molecular weight of 201.06 g/mol. This brominated aromatic alcohol serves as a valuable chiral building block in organic synthesis. Its specific stereochemistry makes it useful in the development of enantiomerically pure compounds, particularly within the pharmaceutical and fine chemical industries.
- IUPAC
- (R)-4′-Bromo-1-phenylethanol,(R)-1-(4-Bromophenyl)ethanol
- Synonyms
- (R)-1-(4-Bromophenyl)ethanol(R)-4'-Bromo-1-phenylethanol

Chiral Building Block
Utilised in asymmetric synthesis to introduce stereochemical complexity into target molecules. Its defined (R)-configuration is critical for stereoselective reactions.
Pharmaceutical Intermediate
Serves as a precursor in the synthesis of active pharmaceutical ingredients (APIs) where specific chirality is required for biological activity.
Organic Synthesis Reagent
Employed in the construction of complex organic molecules. The bromine atom and the chiral alcohol functionality offer versatile reaction sites.
| Molecular weight | 201.06 |
|---|---|
| Linear formula | BrC6H4CH(CH3)OH |
| Assay | 95% |
| Density | 1.322 g/mL at 25 °C |
| Refractive index | n20/D 1.569 |
| Optical activity | [α]20/D +39°, c = 1 in chloroform |

Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H315Causes skin irritation
- H319Causes serious eye irritation
- H332Harmful if inhaled
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- 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 | >110 °C / >230 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20/21/22-36/37/38 |
| Safety statements (S) | 26 |
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 (R)-4-Bromo-α-methylbenzyl alcohol used for?
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(R)-4-Bromo-α-methylbenzyl alcohol is primarily used as a chiral building block in organic synthesis and as an intermediate in the preparation of pharmaceuticals and other fine chemicals requiring specific stereochemistry.
What are the CAS number and formula for this compound?
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The CAS number is 76155-78-7, and the linear formula is BrC6H4CH(CH3)OH.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (R)-4-Bromo-α-methylbenzyl alcohol with an assay of 95%. This product is not represented as USP, BP, or EP grade.
What are the primary safety hazards associated with this chemical?
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This compound carries warning signals and hazard statements including H302 (Harmful if swallowed), H312 (Harmful in contact with skin), H315 (Causes skin irritation), H319 (Causes serious eye irritation), H332 (Harmful if inhaled), and H335 (May cause respiratory irritation). Appropriate personal protective equipment, such as eyeshields, gloves, and a suitable respirator, must be used during handling.
How is this chemical typically packed and exported?
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Tech Serve Solutions ensures secure and compliant packaging for all its products, adhering to international shipping regulations for chemical export.
How can I request a sample or a quote for (R)-4-Bromo-α-methylbenzyl alcohol?
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To request a sample or a quote, please contact our sales department through the website or by phone, providing your specific requirements.
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