4-Phenylphenol CAS:92-69-3

  • Product Name:4-Phenylphenol
  • CAS:92-69-3
  • Molecular formula:C12H10O
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4-Phenylphenol CAS:92-69-3

4-Phenylphenol CAS:92-69-3 Basic information

Product Name: 4-Phenylphenol
Synonyms: 4-Phenylphenol,97%;4-Dihydroxybiphenyl;p-Phenylphenol 5g [92-69-3];4-Phenylphenol,4-Hydroxybiphenyl;4-Phenylphenol, 97% 1KG;4-Phenylphenol, 97% 250GR;BIPHENYL-4-OL FOR SYNTHESIS 1 KG;BIPHENYL-4-OL FOR SYNTHESIS 100 G
CAS: 92-69-3
MF: C12H10O
MW: 170.21
EINECS: 202-179-2
Product Categories: Functional Materials;Bioactive Small Molecules;Building Blocks;C9 to C20+;Cell Biology;Chemical Synthesis;Organic Building Blocks;Oxygen Compounds;P;Phenols;Industrial/Fine Chemicals;Organics;Phenoles and thiophenoles;Color Former & Related Compounds;Deve
Mol File: 92-69-3.mol

4-Phenylphenol CAS:92-69-3 Chemical Properties

density: 1.0149 (rough estimate)
Melting point: 164-166 °C(lit.)
Boiling point: 321 °C(lit.)
form: Flakes
storage temp.: 0-6°C
Water Solubility: 0.7 g/L (20 ºC)
refractive index: 1.6188 (estimate)
pka: 9.55(at 25℃)
BRN: 1907452
Fp: 330 °F
solubility: methanol: soluble50mg/mL, clear, colorless
NIST Chemistry Reference: p-Hydroxybiphenyl(92-69-3)
Merck: 14,7305
Stability: Stable. Incompatible with strong oxidizing agents, strong bases, halogens. Combustible.
CAS DataBase Reference: 92-69-3(CAS DataBase Reference)
EPA Substance Registry System: 4-Phenylphenol (92-69-3)

Product Name 样品名称

4-Phenylphenol 对羟基联苯

Batch No 批号




形 态



Sampling Date




Test Date


Sep.28, 2020

Manufacture Date


Sep.20, 2020

Test Item







White or white like crystalline powder



≥98% 98.06%

4-Phenylphenol Usage And Synthesis
Chemical propertiesP-phenyl phenol appears as a white flake solid; being tasteless; mp:159 ~ 160 ℃; pure product has a mp of 166 ℃, a bp of 323 ℃, a relative density of 1.24. It is almost insoluble in water, but easily soluble in organic solvents such as alcohol, ketone and ether and alkaline solution.
UsesBiphenol, also known as p-phenyl phenol, is the intermediates of the fungicide bitertanol.It is used in the synthesis of oil-soluble resin and emulsifier; used as a component of corrosion-resistant paint, printing and dyeing carrier.
UsesIt can be used as an intermediate for dyes, resins and rubbers. The red light sensitization and green sensitizing dye manufactured by this product is one of the main raw materials of color film; it can also be used as analytical reagents.
Preparative Methods
  • Separation of the byproducts of phenol produced by sulfonation method

The byproduct during phenol production by sulfonation is subject to distillation with the residue containing p-phenyl phenol and o-phenyl phenol. The residue is heated by the vacuum distillation with the vacuum degree being controlled at 53.3 to 66.7 kPa. The temperature is gradually increased from 65 to 75 DEG C to over 100 DEG C, but not higher than 135 ° C. Then apply separation based on the different solubility of p-phenyl o-phenol in trichlorethylene, that is, the mixed phenyl phenol was heated to be dissolved in trichlorethylene; then after cooling, it undergoes precipitation to generate p-phenyl phenol with filtering and drying to get the final product.
  • Biphenyl sulfonated alkali melting method

The biphenyl dissolved in acetic acid, subjecting to sulfur trioxide sulfonation; after the separation of the sulfonation products, it is reacted with the 20% NaOH aqueous solution to form salt, followed by alkali melting with solid NaOH at 100 ~ 350 ℃, then further being acidified to obtain the product.
Chemical Propertieslight tan solid (odour threshold detection limit 0.7 ppm)
UsesAs intermediate in the manufacture of resins; also in the rubber industry.
DefinitionChEBI: A member of the class of hydroxybiphenyls that is biphenyl carrying a hydroxy group at position 4.
Synthesis Reference(s)Tetrahedron, 40, p. 4981, 1984 DOI: 10.1016/S0040-4020(01)91336-5
Tetrahedron Letters, 36, p. 125, 1995 DOI: 10.1016/0040-4039(94)02191-D
Safety ProfileAcute poison by intraperitonealroute. Questionable carcinogen with experimentalcarcinogenic and tumorigenic data. When heated todecomposition it emits acrid, irritating fumes.
Purification MethodsCrystallise the phenol from aqueous EtOH, *C6H6, and dry it in a vacuum over CaCl2 [Buchanan et al. J Am Chem Soc 108 7703 1986]. [Beilstein 6 IV 4600.]

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