5-Bromovaleryl chloride
5-Bromovaleryl chloride (CAS: 4509-90-4) is an organic compound with the linear formula Br(CH2)4COCl and a molecular weight of 199.47 g/mol. As an acid halide and organic building block, it serves as a reactive intermediate in various chemical syntheses. Its primary applications lie in organic chemistry for the introduction of the 5-bromovaleryl group into molecules, facilitating further functionalization.

Organic Synthesis Intermediate
5-Bromovaleryl chloride is a key building block used in the synthesis of more complex organic molecules. Its reactive acyl chloride group readily undergoes nucleophilic acyl substitution reactions.
Pharmaceutical Intermediates
It can be employed in the multi-step synthesis of pharmaceutical compounds. The bromoalkyl functionality allows for subsequent coupling or substitution reactions.
Material Science
This compound may be utilized in the development of novel materials where the incorporation of specific functional groups is required. Its reactivity supports its use in polymer modification or synthesis.
| Molecular weight | 199.47 |
|---|---|
| Linear formula | Br(CH2)4COCl |
| Assay | 97% |
| Boiling point | 116-118 °C/33 mmHg(lit.) |
| Density | 1.49 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.492(lit.) |


Hazard statements
- H314Causes severe skin burns and eye damage
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- 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 | 107 °C / 224.6 °F |
| Transport (UN / ADR) | UN 3265 8 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 34-36/37 |
| Safety statements (S) | 26-27-28-36/37/39-45 |
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 5-Bromovaleryl chloride used for?
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5-Bromovaleryl chloride is primarily used as a reactive intermediate and building block in organic synthesis, including the preparation of pharmaceutical intermediates and potentially in material science applications.
What is the CAS number and molecular formula for 5-Bromovaleryl chloride?
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The CAS number is 4509-90-4 and the linear formula is Br(CH2)4COCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 5-Bromovaleryl chloride with an assay of 97%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade unless explicitly stated.
What are the safety and handling precautions for 5-Bromovaleryl chloride?
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This compound is classified as Danger, causing severe skin burns and eye damage (H314) and may cause respiratory irritation (H335). It requires handling with appropriate personal protective equipment, including gloves, goggles, a faceshield, and a suitable respirator. Refer to the safety data sheet for full details.
How is 5-Bromovaleryl chloride packed, shipped, and exported?
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5-Bromovaleryl chloride is packed in compliance with international shipping regulations (UN 3265, Class 8, PG II). Tech Serve Solutions expertly handles global export procedures for this chemical.
How can I request a quote or sample of 5-Bromovaleryl chloride?
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To request a quote or a sample of 5-Bromovaleryl chloride, please contact our sales team through the website or by phone.
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