1-Bromo-3-chloropropane
1-Bromo-3-chloropropane (CAS: 109-70-6; Formula: Cl(CH2)3Br) is a halogenated hydrocarbon with a molecular weight of 157.44 g/mol. This bifunctional alkyl halide serves as a valuable building block in organic synthesis. It is primarily utilised in the preparation of various organic compounds and intermediates within the chemical and pharmaceutical industries. Tech Serve Solutions supplies this reagent at a minimum assay of 99%.
- IUPAC
- I-BCP,Trimethylene bromochloride,Trimethylene chlorobromide
- Synonyms
- Trimethylene bromochlorideTrimethylene chlorobromide

Organic Synthesis
1-Bromo-3-chloropropane is a versatile intermediate used in the synthesis of complex organic molecules. Its two different halogen atoms allow for selective reactions in the construction of carbon chains and heterocyclic systems.
Pharmaceutical Intermediates
This compound acts as a key building block for the synthesis of active pharmaceutical ingredients (APIs) and their precursors. It is employed in multi-step synthetic routes common in drug discovery and development.
Material Science
It can be used in the development of specialised polymers and materials where the introduction of a propyl chain with terminal functionality is required. The bromo and chloro groups offer handles for further chemical modification.
| Molecular weight | 157.44 |
|---|---|
| Linear formula | Cl(CH2)3Br |
| Assay | 99% |
| Boiling point | 144-145 °C(lit.) |
| Density | 1.592 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.486(lit.) |
| Storage temperature | room temp |


Hazard statements
- H226Flammable liquid and vapour
- H302Harmful if swallowed
- H331Toxic if inhaled
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P311Call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 45 °C / 113 °F |
| Transport (UN / ADR) | UN 2688 6.1 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 10-20/22 |
| Safety statements (S) | 16 |
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-3-chloropropane used for?
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1-Bromo-3-chloropropane is used as a building block in organic synthesis, particularly for preparing pharmaceutical intermediates and in material science applications.
What is the CAS number and chemical formula for 1-Bromo-3-chloropropane?
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The CAS number is 109-70-6, and the chemical formula is Cl(CH2)3Br.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1-Bromo-3-chloropropane with a minimum assay of 99%. We do not represent this product as USP, BP, or EP grade.
How should 1-Bromo-3-chloropropane be handled safely?
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1-Bromo-3-chloropropane is a flammable liquid and vapour (H226), harmful if swallowed (H302), and toxic if inhaled (H331). Handle with appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator, in a well-ventilated area. Store away from heat and ignition sources.
Is 1-Bromo-3-chloropropane a controlled substance?
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The provided data does not indicate that 1-Bromo-3-chloropropane is a controlled substance.
How is 1-Bromo-3-chloropropane packed and shipped?
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1-Bromo-3-chloropropane is packed and shipped according to relevant transportation regulations, including UN 2688, Class 6.1, PGIII. We are a global supplier and exporter.
How can I request a quote or sample?
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To request a quote or sample of 1-Bromo-3-chloropropane, please contact our sales team through the website or provide your details via the online enquiry form.
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