Description

Sodium 2-bromoethanesulfonate (CAS No. 4263-52-9) is a high-purity organic sulfonate compound with the molecular formula C₂H₄BrNaO₃S. This white to off-white crystalline powder is widely utilized in biochemical and pharmaceutical research due to its reactive bromoethyl functional group. With a molecular weight of 211.01 g/mol, it offers excellent solubility in water and polar organic solvents, making it ideal for nucleophilic substitution reactions. The product is rigorously tested for purity (typically ≥95-98%) and is supplied in sealed containers to ensure stability and prevent moisture absorption. Suitable for use as an alkylating agent or intermediate in organic synthesis, it is particularly valuable in the preparation of sulfonate-based ionic liquids and bioactive molecules. Store in a cool, dry place away from strong oxidizing agents.

Properties

• CAS Number: 4263-52-9
• Complexity: 125
• IUPAC Name: sodium;2-bromoethanesulfonate
• InChI: InChI=1S/C2H5BrO3S.Na/c3-1-2-7(4,5)6;/h1-2H2,(H,4,5,6);/q;+1/p-1
• InChI Key: HNFOAHXBHLWKNF-UHFFFAOYSA-M
• Exact Mass: 209.89622
• Molecular Formula: C2H4BrNaO3S
• Molecular Weight: 211.01
• SMILES: C(CBr)S(=O)(=O)[O-].[Na+]
• Topological: 65.6
• Monoisotopic Mass: 209.89622
• Synonyms: Sodium 2-bromoethanesulfonate, Sodium 2-bromoethanesulphonate, Ethanesulfonic acid, 2-bromo-, sodium salt, NSC 447, EINECS 224-244-4, AI3-52298, DTXSID4063379, Ethanesulfonic acid, 2-bromo-, sodium salt (1:1), DTXCID9040136, 224-244-4, 4263-52-9, 2-Bromoethanesulfonic acid sodium salt, 2-Bromoethanesulfonic acid, sodium salt, sodium;2-bromoethanesulfonate, MFCD00007530, Sodium bromoethylsulfonate, 2-bromoethanesulfonic acid sodium, sodium 2-bromoethane sulfonate, Sodium2-bromoethanesulphonate, Sodium 2-Bromoethanesulfonate; Sodium Bromoethylsulfonate; 2-Bromoethanesulfonic Acid Sodium Salt;, SCHEMBL59938, 2-bromoethylsulfonate sodium salt, 2-Bromoethanesulfonic sodium salt, sodium 2-bromoethane-1-sulfonate, Sodium 2-bromoethanesulfonate, 98%, 2-Bromoethanesulfonic acid,sodium salt, AKOS015897341, CS-W015071, FB19225, HY-W014355, 2-bromoethane sulfonic acid sodium salt, s12361, 2-Bromoethanesulfonic sodium salt (SBES), AS-11961, SY008221, DB-070325, B0589, NS00082873, EN300-90230, Sodium 2-bromoethanesulfonate;Sodium bromoethylsulfonate;2-Bromoethanesulfonic acid sodium salt

Application

Sodium 2-bromoethanesulfonate serves as a key alkylating agent in the synthesis of sulfonated polymers and ionic liquids for battery electrolytes. Researchers employ it as a precursor for modifying biomolecules in drug discovery, particularly in creating sulfonate prodrugs. Its reactive bromoethyl group enables efficient crosslinking in polymer chemistry and material science applications.

Safety and Hazards

GHS Hazard Statements

• H315 (94%): Causes skin irritation [Warning Skin corrosion/irritation]
• H319 (94%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H335 (92%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

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

Hazard Classes and Categories

• Skin Irrit. 2 (94%)
• Eye Irrit. 2 (94%)
• STOT SE 3 (92%)

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