Description

2-Ethylhexanethiol (CAS No. 7341-17-5) is a high-purity organosulfur compound with the molecular formula C₈H₁₈S, widely utilized in chemical synthesis and material science. This mercaptan derivative, also known as 2-ethyl-1-hexanethiol, features a branched alkyl chain with a terminal thiol group, offering excellent reactivity for nucleophilic substitutions and metal coordination. Our product is rigorously tested to ensure superior quality, with consistent purity (>98%) and low impurity profiles, making it ideal for sensitive applications. Suitable for use as a ligand, reducing agent, or odorant precursor, it is supplied in sealed amber glass bottles under inert gas to prevent oxidation. Compatible with organic solvents and stable under recommended storage conditions (2-8°C, dry atmosphere).

Properties

• CAS Number: 7341-17-5
• Complexity: 52.5
• IUPAC Name: 2-ethylhexane-1-thiol
• InChI: InChI=1S/C8H18S/c1-3-5-6-8(4-2)7-9/h8-9H,3-7H2,1-2H3
• InChI Key: UCJMHYXRQZYNNL-UHFFFAOYSA-N
• Exact Mass: 146.11292175
• Molecular Formula: C8H18S
• Molecular Weight: 146.30
• SMILES: CCCCC(CC)CS
• Topological: 1
• Monoisotopic Mass: 146.11292175
• Physical Description: colourless to pale yellow liquid
• Boiling Point: 178.00 to 182.00 °C. @ 760.00 mm Hg
• Melting Point: -40.00 to -39.00 °C. @ 760.00 mm Hg
• Solubility: soluble in oil and alcohol
• Density: 0.817-0.827
• Refractive Index: 1.453-1.459
• Synonyms: 2-Ethylhexanethiol, 2-Ethyl-1-hexanethiol, 7341-17-5, 2-Ethylhexane-1-thiol, 1-Hexanethiol, 2-ethyl-, 2-Ethylhexyl Mercaptan, 9M9TA4S7BL, EINECS 230-854-1, FEMA NO. 3833, DTXSID80864041, 2-ETHYLHEXANETHIOL [FHFI], DTXCID50812594, (+-)-2-ETHYLHEXANETHIOL, 2-ETHYLHEXANETHIOL, (+-)-, 230-854-1, 2-Ethylhexylmercaptan, UNII-9M9TA4S7BL, MFCD00039654, 2-(Mercaptomethyl)heptane, 2-Ethylhexanethiol, 97%, SCHEMBL186017, SCHEMBL186018, FEMA 3833, CHEBI:167084, (+/-)-2-ETHYLHEXANETHIOL, AKOS024257631, 2-ETHYLHEXANETHIOL, (+/-)-, FE34548, BS-42245, Ethyl-1-hexanethiol;2-Ethylhexylmercaptan, DB-055760, E1031, NS00043726, D90586, EN300-7083056, Q27272737

Application

2-Ethylhexanethiol serves as a versatile intermediate in organic synthesis, particularly in the preparation of metal sulfide nanoparticles and as a chain-transfer agent in polymerization. Its thiol group enables surface functionalization of gold and semiconductor quantum dots for optoelectronic applications. Additionally, it is employed as a corrosion inhibitor and odorant in fuel additives due to its strong sulfurous scent.

Safety and Hazards

GHS Hazard Statements

• H226 (100%): Flammable liquid and vapor [Warning Flammable liquids]
• H302 (48.1%): Harmful if swallowed [Warning Acute toxicity, oral]
• H312 (48.1%): Harmful in contact with skin [Warning Acute toxicity, dermal]
• H319 (51.9%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H332 (48.1%): Harmful if inhaled [Warning Acute toxicity, inhalation]
• H334 (50.6%): May cause allergy or asthma symptoms or breathing difficulties if inhaled [Danger Sensitization, respiratory]
• H412 (50.6%): Harmful to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard]

Precautionary Statements

• P210, P233, P240, P241, P242, P243, P260, P261, P264, P264+P265, P270, P271, P273, P280, P284, P301+P317, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P317, P321, P330, P337+P317, P342+P316, P362+P364, P370+P378, P403, P403+P235, and P501

Hazard Classes and Categories

• Flam. Liq. 3 (100%)
• Acute Tox. 4 (48.1%)
• Acute Tox. 4 (48.1%)
• Eye Irrit. 2 (51.9%)
• Acute Tox. 4 (48.1%)
• Resp. Sens. 1 (50.6%)
• Aquatic Chronic 3 (50.6%)

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