1-Bromopinacolone
1-Bromopinacolone (CAS: 5469-26-1), with the linear formula (CH3)3CCOCH2Br and a molecular weight of 179.05 g/mol, is a valuable organic building block. This ketone derivative is primarily utilised in chemical synthesis, serving as a key intermediate in the preparation of more complex molecules within research and development settings. Its reactivity makes it a useful component in various organic transformations.
- IUPAC
- 1-Bromo-3,3-dimethyl-2-butanone,Bromomethyl tert-butyl ketone
- Synonyms
- 1-Bromo-3,3-dimethyl-2-butanoneBromomethyl tert-butyl ketone

Organic Synthesis Intermediate
1-Bromopinacolone is frequently employed as a reagent in organic synthesis. Its structure allows for facile introduction of the tert-butyl ketone moiety into target molecules.
Research and Development
This compound serves as a valuable building block for researchers exploring new synthetic routes and novel chemical entities in academic and industrial laboratories.
Pharmaceutical Intermediate
It can be used in the multi-step synthesis of active pharmaceutical ingredients (APIs) or their precursors, contributing to the development of new therapeutic agents.
| Molecular weight | 179.05 |
|---|---|
| Linear formula | (CH3)3CCOCH2Br |
| Assay | ~90% |
| Grade | purum |
| Boiling point | 188-194 °C(lit.) |
| Density | 1.331 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.466(lit.) |
| Melting point | −10 °C(lit.) |
| Storage temperature | 2-8°C |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 75 °C / 167 °F |
| Transport (UN / ADR) | UN 3334 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 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 1-Bromopinacolone used for?
+
1-Bromopinacolone is primarily used as a building block in organic synthesis and for research and development purposes, including the synthesis of pharmaceutical intermediates.
What are the CAS number and formula for 1-Bromopinacolone?
+
The CAS number for 1-Bromopinacolone is 5469-26-1 and its linear formula is (CH3)3CCOCH2Br.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies 1-Bromopinacolone with a purity of approximately 90% (purum grade). TSS does not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should 1-Bromopinacolone be handled safely?
+
1-Bromopinacolone is classified as a warning substance, causing skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Appropriate personal protective equipment, including eyeshields and gloves, should be worn. Work should be conducted in a well-ventilated area or with appropriate respiratory protection. Refer to the Safety Data Sheet for full details.
Is 1-Bromopinacolone a controlled substance?
+
Based on the provided data, 1-Bromopinacolone is not indicated as a controlled substance.
How is 1-Bromopinacolone packed, shipped, and exported?
+
Tech Serve Solutions specialises in the global supply and export of fine chemicals, packaging products according to international shipping regulations to ensure safe transit.
How can I request a quote or sample for 1-Bromopinacolone?
+
To request a quote or sample of 1-Bromopinacolone, please contact the TSS sales department through our website or by telephone.
▶ Related products

1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis

1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis