4-Bromobutyronitrile
4-Bromobutyronitrile (CAS: 5332-06-9, Formula: Br(CH2)3CN) is a valuable organic compound with a molecular weight of 148.00 g/mol. This versatile chemical serves as a key building block in organic synthesis, particularly in the creation of more complex molecules within the pharmaceutical and fine chemical industries. Its reactive nature makes it an important intermediate for introducing a four-carbon chain with a terminal nitrile group.

Organic Synthesis Intermediate
4-Bromobutyronitrile is widely employed as a precursor in various organic syntheses. It enables the introduction of a functionalised four-carbon chain, facilitating the construction of diverse molecular architectures.
Pharmaceutical Intermediate
This compound finds application in the synthesis of active pharmaceutical ingredients (APIs) and their precursors. Its structure allows for further elaboration into drug candidates.
Fine Chemical Production
As a versatile building block, 4-Bromobutyronitrile is utilised in the manufacture of various fine chemicals for research and industrial applications.
| Molecular weight | 148.00 |
|---|---|
| Linear formula | Br(CH2)3CN |
| Assay | 97% |
| Boiling point | 205 °C(lit.) |
| Density | 1.489 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.478(lit.) |

Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H332Harmful if inhaled
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 103 °C / 217.4 °F |
| Transport (UN / ADR) | UN 3276 6.1 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20/21/22 |
| Safety statements (S) | 36/37 |
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-Bromobutyronitrile used for?
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4-Bromobutyronitrile is primarily used as a building block and intermediate in organic synthesis, particularly within the pharmaceutical and fine chemical industries for the creation of more complex molecules.
What is the CAS number and chemical formula for 4-Bromobutyronitrile?
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The CAS number for 4-Bromobutyronitrile is 5332-06-9, and its chemical formula is Br(CH2)3CN.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Bromobutyronitrile with a minimum assay of 97%. We do not represent this product as USP, BP, EP, or pharmacopoeia grade.
How should 4-Bromobutyronitrile be handled safely?
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4-Bromobutyronitrile is classified as harmful if swallowed, in contact with skin, or if inhaled (H302-H312-H332). Handle with appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator, in a well-ventilated area. Refer to the Safety Data Sheet (SDS) for detailed handling instructions.
Can Tech Serve Solutions export 4-Bromobutyronitrile?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 4-Bromobutyronitrile.
How can I request a sample or quote for 4-Bromobutyronitrile?
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Please contact our sales team via the website or telephone to request a sample or a quotation for 4-Bromobutyronitrile.
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