Description

1-Chlorooctadecane (CAS No. 3386-33-2) is a high-purity organic compound with the molecular formula C₁₈H₃₇Cl, widely used in synthetic chemistry and material science applications. This long-chain alkyl chloride, also known as Octadecyl chloride or Stearyl chloride, is a versatile intermediate for the synthesis of surfactants, phase-transfer catalysts, and hydrophobic coatings. Its linear C₁₈ backbone and terminal chlorine moiety make it ideal for nucleophilic substitution reactions, enabling the introduction of octadecyl groups into target molecules. Available in crystalline or liquid form (depending on temperature), our product is rigorously tested for purity (typically ≥98% by GC) and is packaged under inert conditions to ensure stability. Suitable for laboratory-scale research and industrial applications, it is supplied with comprehensive analytical documentation including ¹H NMR and GC-MS data.

Properties

• CAS Number: 3386-33-2
• Complexity: 145
• IUPAC Name: 1-chlorooctadecane
• InChI: InChI=1S/C18H37Cl/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19/h2-18H2,1H3
• InChI Key: VUQPJRPDRDVQMN-UHFFFAOYSA-N
• Exact Mass: 288.2583789
• Molecular Formula: C18H37Cl
• Molecular Weight: 288.9
• SMILES: CCCCCCCCCCCCCCCCCCCl
• Monoisotopic Mass: 288.2583789
• Physical Description: Liquid
• Synonyms: 1-CHLOROOCTADECANE, Octadecyl chloride, Octadecane, 1-chloro-, Stearyl chloride, chloroctadecyl, NSC 5543, EINECS 222-207-7, UNII-73H8VD533I, DTXSID3027536, AI3-28591, 73H8VD533I, NSC-5543, 1-OCTADECYL CHLORIDE, DTXCID007536, EC 222-207-7, J595I, vuqpjrpdrdvqmn-uhfffaoysa-n, 3386-33-2, n-Octadecyl chloride, Chlorooctadecane, stearylchloride, Octadecane, chloro-, 1-Chlorooctadecane 10000 microg/mL in Dichloromethane, Octadecane, 1-chloro-; 1-Chlorooctadecane; 1-Octadecyl chloride; NSC 5543; Octadecyl chloride; n-Octadecyl chloride, 1-chloro-octadecane, MFCD00000960, 1-chloranyloctadecane, 1-Chlorooctadecane, 96%, SCHEMBL7496, SCHEMBL181424, SCHEMBL181425, SCHEMBL2931415, SCHEMBL9397220, CHEMBL3187568, NSC5543, Tox21_202998, SBB059963, AKOS009031592, 1-Chlorooctadecane, analytical standard, CS-W014556, NCGC00260543-01, CAS-3386-33-2, DB-048506, NS00007161, ST51046227, EN300-19888, A10751, A821964, Q27266182

Application

1-Chlorooctadecane is primarily used as a key reagent in the synthesis of quaternary ammonium compounds for surfactants and fabric softeners. It serves as a precursor for modifying silica surfaces or nanoparticles to impart hydrophobic properties in material science. In pharmaceutical research, it is employed to create lipophilic derivatives for drug delivery systems. The compound also finds use in organic synthesis as an alkylating agent for long-chain functionalization.

Safety and Hazards

GHS Hazard Statements

• H315 (96.1%): Causes skin irritation [Warning Skin corrosion/irritation]
• H317 (31.8%): May cause an allergic skin reaction [Warning Sensitization, Skin]
• H319 (35.7%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H335 (35.7%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
• H413 (59.7%): May cause long lasting harmful effects to aquatic life [Hazardous to the aquatic environment, long-term hazard]

Precautionary Statements

• P261, P264, P264+P265, P271, P272, P273, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P333+P317, P337+P317, P362+P364, P403+P233, P405, and P501

Hazard Classes and Categories

• Skin Irrit. 2 (96.1%)
• Skin Sens. 1 (31.8%)
• Eye Irrit. 2A (35.7%)
• STOT SE 3 (35.7%)
• Aquatic Chronic 4 (59.7%)

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