Description

4-(Methylthio)phenol (CAS No. 1073-72-9) is a high-purity organic compound with the molecular formula C₇H₈OS, widely utilized in chemical synthesis and material science. This compound, also known by its IUPAC name 4-methylsulfanylphenol, features a phenol group substituted with a methylthio moiety at the para position, making it a valuable intermediate for pharmaceuticals, agrochemicals, and specialty polymers. Our product is rigorously tested to ensure ≥98% purity (GC), with trace impurities carefully controlled to meet the stringent requirements of research and industrial applications. Available in crystalline form, it is packaged under inert conditions to guarantee stability and longevity.

Key synonyms include: 4-Hydroxythioanisole, p-Hydroxythioanisole, and 4-(Methylsulfanyl)phenol. Suitable for use in controlled environments, this compound is supplied with comprehensive analytical documentation (MSDS, NMR, HPLC) to support regulatory compliance and research reproducibility.

Properties

• CAS Number: 1073-72-9
• Complexity: 77
• IUPAC Name: 4-methylsulfanylphenol
• InChI: InChI=1S/C7H8OS/c1-9-7-4-2-6(8)3-5-7/h2-5,8H,1H3
• InChI Key: QASBCTGZKABPKX-UHFFFAOYSA-N
• Exact Mass: 140.02958605
• Molecular Formula: C7H8OS
• Molecular Weight: 140.20
• SMILES: CSC1=CC=C(C=C1)O
• Topological: 45.5
• Monoisotopic Mass: 140.02958605
• Synonyms: 4-(Methylthio)phenol, Phenol, 4-(methylthio)-, 4-Hydroxythioanisole, p-Hydroxythioanisole, 4-(Methylsulfanyl)phenol, NSC 75840, CCRIS 5837, EINECS 214-031-4, UNII-9T83QI0Z1L, BRN 2041507, 9T83QI0Z1L, AI3-28073, NSC-75840, 4-(METHYLSULFENYL)PHENOL, DTXSID3051547, METHYLMERCAPTOPHENOL, 4-, CHEBI:38862, DTXCID4030099, 1-HYDROXY,4-METHYLTHIO-BENZENE (4-METHYLTHIO-PHENOL), 4-06-00-05790 (beilstein handbook reference), inchi=1/c7h8os/c1-9-7-4-2-6(8)3-5-7/h2-5,8h,1h, qasbctgzkabpkx-uhfffaoysa-n, 1073-72-9, 4-(Methylmercapto)phenol, 4-methylsulfanylphenol, p-(Methylthio)phenol, 4-Methylmercaptophenol, PHENOL, p-(METHYLTHIO)-, p-Hydroxyphenyl methyl sulfide, 4-Hydroxyphenyl methyl sulfide, Methyl 4-hydroxyphenyl sulfide, Phenol, p-methylmercapto-, p-methyl thiophenol, NSC75840, MFCD00002351, 4-(methylthio) phenol, 4-methylmercapto-phenol, 4-methylsulfanyl phenol, 4-methylsulfanyl-phenol, para-(methylthio)phenol, phenol, 4-methylthio-, 4-(Methylsulfanyl)phenol #, SCHEMBL275952, SCHEMBL543312, SCHEMBL6486360, SCHEMBL7359342, 4-(Methylmercapto)phenol, 98%, BBL104214, SBB071908, STL388046, AKOS000121186, CS-W001072, AC-10935, BP-12495, MS-20081, DB-040752, M0441, NS00023456, ST45027190, EN300-21190, 4-(Methylmercapto)phenol; 4-Hydroxythioanisole, H10762, Q27118001, 1-HYDROXY,4-METHYLTHIO-BENZENE (4-METHYLTHIO-PHENOL)

Application

4-(Methylthio)phenol serves as a versatile building block in organic synthesis, particularly in the development of pharmaceutical intermediates and ligands for catalysis. It is employed in the preparation of antioxidants and UV stabilizers for polymeric materials due to its phenolic structure. Researchers also utilize it in agrochemical formulations to enhance the efficacy of active ingredients. Its reactivity with electrophiles makes it valuable for constructing complex sulfur-containing heterocycles.

Safety and Hazards

GHS Hazard Statements

• H315 (98%): Causes skin irritation [Warning Skin corrosion/irritation]
• H319 (98%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H335 (96%): 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 (98%)
• Eye Irrit. 2 (98%)
• STOT SE 3 (96%)

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