Description

1-Bromo-5-chloropentane (CAS No. 54512-75-3) is a high-purity halogenated alkane with the molecular formula C₅H₁₀BrCl. This versatile bifunctional compound features both bromine and chlorine termini, making it a valuable intermediate in organic synthesis, pharmaceutical manufacturing, and materials science. With a molecular weight of 197.49 g/mol, it is a clear to pale yellow liquid at room temperature, offering excellent reactivity for nucleophilic substitution reactions, cyclization, and cross-coupling processes.

Our product is rigorously tested to ensure ≥98% purity (GC), with low levels of impurities to guarantee consistent performance in sensitive applications. It is supplied in amber glass bottles under inert gas to maintain stability and is ideal for use in Grignard reactions, polymer modifications, and as a building block for heterocyclic compounds. Handle with care in a well-ventilated environment due to its lachrymatory properties.

Properties

• CAS Number: 54512-75-3
• Complexity: 31.3
• IUPAC Name: 1-bromo-5-chloro-pentane
• InChI: InChI=1S/C5H10BrCl/c6-4-2-1-3-5-7/h1-5H2
• InChI Key: PHHNNDKXQVKJEP-UHFFFAOYSA-N
• Exact Mass: 183.96544
• Molecular Formula: C5H10BrCl
• Molecular Weight: 185.49
• SMILES: C(CCCl)CCBr
• Monoisotopic Mass: 183.96544
• Synonyms: 1-Bromo-5-chloropentane, Pentane, 1-bromo-5-chloro-, 5-Chloropentyl bromide, LZF4NNM2WX, 5-Bromo-1-chloropentane, EINECS 259-193-7, NSC 50474, NSC-50474, DTXSID3068960, PHHNNDKXQVKJEP-UHFFFAOYSA-, DTXCID4041733, 259-193-7, inchi=1/c5h10brcl/c6-4-2-1-3-5-7/h1-5h2, phhnndkxqvkjep-uhfffaoysa-n, 54512-75-3, 1-bromo-5-chloro-pentane, 5-Bromopentyl Chloride, MFCD00001016, C5H10BrCl, NSC50474, 5-chlorobromopentane, bromo-5-chloropentane, Bromo-5-chloro-pentane, UNII-LZF4NNM2WX, 5-chloro-1-bromopentane, 1-bromo-5-chloro pentane, SCHEMBL50103, SCHEMBL9238439, SCHEMBL11108435, 1-Bromo-5-chloropentane, 98%, AKOS015850586, CS-W016940, NSC 50474;, s10881, AS-10972, SY048983, DB-019089, B1476, NS00033104, ST51039997, EN300-219071, F8880-5122, 1-Bromo-5-chloropentane; 5-Bromo-1-chloropentane; 5-Chloropentyl Bromide;

Application

1-Bromo-5-chloropentane serves as a key precursor in the synthesis of pharmacologically active compounds, including spirocyclic and macrocyclic structures. It is widely employed in polymer chemistry to introduce reactive halogen functionalities into polymer backbones for further derivatization. Researchers also utilize it to prepare pentylene-linked bifunctional reagents for bioconjugation and crosslinking applications in proteomics and materials science.

Safety and Hazards

GHS Hazard Statements

• H302 (28.6%): Harmful if swallowed [Warning Acute toxicity, oral]
• H315 (85.7%): Causes skin irritation [Warning Skin corrosion/irritation]
• H316 (14.3%): Causes mild skin irritation [Warning Skin corrosion/irritation]
• H319 (85.7%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H335 (57.1%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
• H411 (28.6%): Toxic to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard]

Precautionary Statements

• P261, P264, P264+P265, P270, P271, P273, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P319, P321, P330, P332+P317, P337+P317, P362+P364, P391, P403+P233, P405, and P501

Hazard Classes and Categories

• Acute Tox. 4 (28.6%)
• Skin Irrit. 2 (85.7%)
• Skin Mild Irrit. 3 (14.3%)
• Eye Irrit. 2A (85.7%)
• STOT SE 3 (57.1%)
• Aquatic Chronic 2 (28.6%)

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Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.