Description

4-[(4-Hydroxyphenyl)disulfanyl]phenol (CAS No. 15015-57-3) is a high-purity organic disulfide compound with the molecular formula C₁₂H₁₀O₂S₂. This white to off-white crystalline powder is widely utilized in pharmaceutical, biochemical, and material science research due to its unique disulfide linkage and phenolic hydroxyl groups. With a molecular weight of 250.33 g/mol, it exhibits excellent stability under standard conditions, making it ideal for synthetic applications, cross-linking studies, and enzymatic inhibition assays. Our product undergoes rigorous quality control to ensure ≥95% purity (HPLC), meeting the stringent demands of researchers and industrial scientists. Available in scalable quantities, it is supplied with comprehensive analytical data (NMR, MS, HPLC) for traceability and reproducibility.

Properties

• CAS Number: 15015-57-3
• Complexity: 175
• IUPAC Name: 4-[(4-hydroxyphenyl)disulfanyl]phenol
• InChI: InChI=1S/C12H10O2S2/c13-9-1-5-11(6-2-9)15-16-12-7-3-10(14)4-8-12/h1-8,13-14H
• InChI Key: XGKGITBBMXTKTE-UHFFFAOYSA-N
• Exact Mass: 250.01222190
• Molecular Formula: C12H10O2S2
• Molecular Weight: 250.3
• SMILES: C1=CC(=CC=C1O)SSC2=CC=C(C=C2)O
• Topological: 91.1
• Monoisotopic Mass: 250.01222190
• Synonyms: 4-[(4-hydroxyphenyl)disulfanyl]phenol, 4-((4-hydroxyphenyl)disulfanyl)phenol, 805-758-3, 15015-57-3, Bis(4-hydroxyphenyl)disulfide, Bis(4-hydroxyphenyl) Disulfide, phenol, 4,4′-dithiobis-, 4,4′-Dihydroxy diphenyl disulfide, 4,4′-Dithiodiphenol, 4,4′-disulfanediyldiphenol, MFCD00020164, 4,4′-Dihydroxydiphenyl Disulfide, Elastase-IN-3, NSC132570, 4,4′-dithiobisphenol, 4-hydroxyphenyldisulfide, bis(p-hydroxyphenyl)disulfide, di(4-hydroxyphenyl)-disulfide, SCHEMBL901003, bis(4-hydroxyphenyl)disulphide, CHEMBL558284, DTXSID10299766, HMS1577A18, CCG-2119, STL323480, AKOS022140244, HY-W104758, NSC-132570, AS-13448, SY055482, B3827, CS-0157400, B18100, D81808, EN300-352281

4-[(4-Hydroxyphenyl)disulfanyl]phenol serves as a key intermediate in the synthesis of elastase inhibitors and polymer cross-linkers. Its disulfide bridge enables dynamic redox-responsive behavior in smart materials. Researchers employ it as a model compound for studying thiol-disulfide exchange mechanisms in biochemical pathways. The compound also finds use in developing antioxidant formulations and as a building block for supramolecular architectures.

Safety and Hazards

GHS Hazard Statements

• H302 (33.3%): Harmful if swallowed [Warning Acute toxicity, oral]
• H315 (66.7%): Causes skin irritation [Warning Skin corrosion/irritation]
• H319 (66.7%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H335 (33.3%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
• H400 (33.3%): Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard]
• H410 (33.3%): Very toxic to aquatic life with long lasting effects [Warning Hazardous to the aquatic environment, long-term hazard]

Precautionary Statements

• P261, P264, P264+P265, P270, P271, P273, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P319, P321, P330, P332+P317, P337+P317, P362+P364, P391, P403+P233, P405, and P501

Hazard Classes and Categories

• Acute Tox. 4 (33.3%)
• Skin Irrit. 2 (66.7%)
• Eye Irrit. 2A (66.7%)
• STOT SE 3 (33.3%)
• Aquatic Acute 1 (33.3%)
• Aquatic Chronic 1 (33.3%)

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