Description

2-Phenylmercaptoethanol (CAS No. 699-12-7) is a high-purity organosulfur compound with the molecular formula C₈H₁₀OS, widely utilized in organic synthesis and biochemical research. This compound, also known by its IUPAC name 2-phenylsulfanylethanol, features a phenylthio group bonded to an ethanol moiety, making it a versatile reagent for thiol-ether linkages and nucleophilic substitutions. Its clear to pale-yellow liquid form and distinct aromatic odor ensure easy identification in laboratory settings. With a molecular weight of 154.23 g/mol, it is optimized for precision applications in pharmaceuticals, polymer chemistry, and material science. Packaged under inert conditions to prevent oxidation, our 2-Phenylmercaptoethanol is rigorously tested for purity (≥98% by GC) and stability, ensuring reliable performance in sensitive reactions.

Properties

• CAS Number: 699-12-7
• Complexity: 79.3
• IUPAC Name: 2-phenylsulfanylethanol
• InChI: InChI=1S/C8H10OS/c9-6-7-10-8-4-2-1-3-5-8/h1-5,9H,6-7H2
• InChI Key: KWWZHCSQVRVQGF-UHFFFAOYSA-N
• Exact Mass: 154.04523611
• Molecular Formula: C8H10OS
• Molecular Weight: 154.23
• SMILES: C1=CC=C(C=C1)SCCO
• Topological: 45.5
• Monoisotopic Mass: 154.04523611
• Synonyms: 2-(Phenylthio)ethanol, 699-12-7, Ethanol, 2-(phenylthio)-, 2-Phenylmercaptoethanol, DTXSID1046974, 9WA374O44P, EINECS 211-828-9, NSC 57851, NSC-57851, AI3-17423, DTXCID9026974, 211-828-9, 2-phenylsulfanylethanol, Phenylthioethanol, 2-Hydroxyethyl phenyl sulfide, 2-phenylthioethanol, MFCD00002905, 2-(phenylsulfanyl)ethan-1-ol, 2-(Phenylsulfanyl)ethanol, UNII-9WA374O44P, 2-phenylsulfanyl-ethanol, 2-phenylthioethan-1-ol, beta-phenylthioethylalcohol, 2-hydroxyethylphenylsulfide, 2-hydroxyethyl-phenylsulfid, beta-phenylthioethyl-alcohol, 2-hydroxyethyl-phenylsulfide, SCHEMBL95987, SCHEMBL95988, 2-(Phenylsulfanyl)ethanol #, SCHEMBL194787, 2-(Phenylthio)ethanol, 99%, SCHEMBL4071162, SCHEMBL4612709, CHEMBL3185032, KWWZHCSQVRVQGF-UHFFFAOYSA-, AAA69912, NSC57851, Tox21_301520, AKOS005206984, CS-W016268, NCGC00256118-01, AS-57519, CAS-699-12-7, SY048297, NS00036980, P0733, ST51039898, D83749, EN300-1241321, Q27273316, Z149157348, InChI=1/C8H10OS/c9-6-7-10-8-4-2-1-3-5-8/h1-5,9H,6-7H2

Application

2-Phenylmercaptoethanol serves as a key intermediate in the synthesis of sulfur-containing pharmaceuticals and agrochemicals. It is employed in polymer chemistry as a chain transfer agent or modifier for resins and rubbers. Researchers also utilize it in bioconjugation techniques to introduce thiol-reactive groups into biomolecules. Its role in stabilizing metal nanoparticles and catalysts is well-documented in material science.

Safety and Hazards

GHS Hazard Statements

• H302 (50%): Harmful if swallowed [Warning Acute toxicity, oral]
• H312 (50%): Harmful in contact with skin [Warning Acute toxicity, dermal]
• H315 (50%): Causes skin irritation [Warning Skin corrosion/irritation]
• H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H332 (50%): Harmful if inhaled [Warning Acute toxicity, inhalation]
• H335 (50%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

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

Hazard Classes and Categories

• Acute Tox. 4 (50%)
• Acute Tox. 4 (50%)
• Skin Irrit. 2 (50%)
• Eye Irrit. 2A (100%)
• Acute Tox. 4 (50%)
• STOT SE 3 (50%)

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