Was established in 2006 and is located in Wenshang Chemical Industrial Park with a registered capital of 50.07 million yuan. It is dedicated to the manufacturing of special chemical products. It is a technology-based enterprise integrating scientific research, design and production. , through more than ten years of continuous efforts, the company has developed rapidly and healthily, and has been engaged in related fields for 16 years. It is a fine chemical enterprise integrating R&D, production and sales.

2-Phenylphenol, or o-phenylphenol, is an organic compound. In terms of structure, it is one of the monohydroxylated isomers of biphenyl. It is a white solid. It is a biocide used as a preservative with E number E231 and under the trade names Dowicide, Torsite, Fungal, Preventol, Nipacide and many others.

The primary use of 2-phenylphenol is as an agricultural fungicide. It is generally applied post-harvest. It is a fungicide used for waxing citrus fruits. It is no longer a permitted food additive in the European Union, but is still allowed as a post-harvest treatment in 4 EU countries.

It is also used for disinfection of seed boxes. It is a general surface disinfectant, used in households, hospitals, nursing homes, farms, laundries, barber shops, and food processing plants. It can be used on fibers and other materials. It is used to disinfect hospital and veterinary equipment. Other uses are in rubber industry and as a laboratory reagent. It is also used in the manufacture of other fungicides, dye stuffs, resins and rubber chemicals.

2-Phenylphenol is found in low concentrations in some household products such as spray disinfectants and aerosol or spray underarm deodorants.

The sodium salt of orthophenyl phenol, sodium orthophenyl phenol, is a preservative, used to treat the surface of citrus fruits.

Orthophenyl phenol is also used as a fungicide in food packaging and may migrate into the contents.

A process for the preparation of 2-phenylphenol or its sodium salt, wherein dibenzofuran is reacted with metallic sodium in presence of a complexing agent, as well as to the use of 2-phenylphenol or its sodium salt obtained according to the inventive process as biocides or as precursors for specific flame re- tardants.

There is a demand for 2-phenylphenol and its sodium salt because these have been found useful as biocides, especially as agricultural fungicides and as surface disinfect- ants for use in households, hospitals, nursing homes, laundries and food processing plants. Furthermore, 2-phenylphenol and its sodium salt are useful as precursors for the preparation of specific flame retardants.

2-Phenylphenol in an industrial scale is presently obtained, for example, by autocon- densation of cyclohexanone to form 2-cyclohexenylcyclohexanone, which reaction is catalyzed by various catalysts, for example by acidic ion exchangers or by metal salts of higher aliphatic carboxylic acids. The resulting 2-cyclohexenylcyclohexanone is subsequently dehydrogenated with transition metal catalysts.

A process for the preparation of 2-phenylphenol or its sodium salt, wherein dibenzofuran is reacted with metallic sodium in pres- ence of a complexing agent, which is selected from the group consisting of aliphatic ethers, cycloaliphatic ethers, oligomeric aliphatic ethers, polymeric aliphatic ethers and thio ethers, and wherein the molar ratio of metallic sodium to dibenzofuran is less than 5:1 .

In the course of the reaction sodium cations as well as dibenzofuran anions are formed. These are separated by the complexing agent, due to solvation, which surprisingly leads to the activation of the reaction. Aliphatic ethers are preferably C4-C50o aliphatic ethers having 1 to 200 oxygen atoms, especially C4-C50 aliphatic ethers having 1 to 20 oxygen atoms. Most preferred are C4- C2o aliphatic ethers having 1 to 15 oxygen atoms. Highly preferred aliphatic ethers are those having a terminal methoxy group, as well as those having at least two oxygen atoms. Preference is given to ethylene glycol dimethyl ether.

Cycloaliphatic ethers are preferably C4-C2o cycloaliphatic ethers having 1 to 18 oxygen atoms, especially C4-Ci0 cycloaliphatic ethers having 1 to 9 oxygen atoms. Also into consideration come crown ethers, like 12-crown-4, 15-crown-5 and 18-crown-6. Preference is given to 1 ,4-dioxane.

Preferred oligomeric aliphatic ethers are diethylene glycol dimethyl ether and triethy- lene glycol dimethyl ether.
Rr(0-CH2-CH2)n-0-R2 (1 ), wherein n is a number ranging from 4 to 2000, preferably from 4 to 500, and
Ri and R2, independently from each other, are C C4 alkyl, especially methyl.
R3-S-R4 (2), wherein R3 and R4, independently from each other, are C1-C10 alkyl, especially methyl. Preferred complexing agents are 1 ,4-dioxane, ethylene glycol dimethyl ether, diethylene glycol dimethyl ether, triethylene glycol dimethyl ether and polyethylene glycol dimethyl ether, especially ethylene glycol dimethyl ether.

The complexing agent may, for example, be used in a molar ratio of complexing agent to dibenzofuran of 1 :1 to 20:1 , especially 1 :1 to 10:1. Highly preferred is a molar ratio of 2:1 to 10:1 .
Optinonally, the process can be carried out in presence of a solvent, which is used in addition to the complexing agent.
Preferably, such solvent is selected from the group consisting of alkylated benzenes and aliphatic or cycloaliphatic hydrocarbons.
Preferred alkylated benzenes are C Ci2 alkylated benzenes, especially Ci-C6 alkylated benzenes, like toluene or xylene.
Preferred aliphatic hydrocarbons are C6-C20 aliphatic hydrocarbons, like hexane and heptane.

Preferred cycloaliphatic hydrocarbons are C6-C20 cycloaliphatic hydrocarbons, like cy- clohexane. The molar ratio of metallic sodium to dibenzofuran is preferably 1 :1 to 4:1 , more preferably 1 :1 to 3:1 , especially 1.5:1 to 3:1. Highly preferred is a ratio of about 2:1.
The reaction of dibenzofuran with metallic sodium is preferably carried out at a temperature of 50°C to 250°C, especially 70°C to 160°C. Highly preferred is a temperature of 70°C to 100°C.

2-Phenylphenol is used as a dye intermediate, plasticizer, rubber chemical and as a preservative in water-oil emulsions. It is used as an antimicrobial preservative in cosmetics and an antimicrobial additive in the manufacture of metalworking fluids, leather, adhesives and textiles. Further, it serves as a disinfectant in households, hospitals, nursing homes, farms, laundries, barber shops, veterinary equipment and food processing plants. It is also employed in the production of resins and rubber chemicals. In addition to this, it is used as a polymer material, stabilizer and flame retardant.

2-Phenylphenol is used as a dye intermediate, plasticizer, rubber chemical and as a preservative in water-oil emulsions. It is used as an antimicrobial preservative in cosmetics and an antimicrobial additive in the manufacture of metalworking fluids, leather, adhesives and textiles. Further, it serves as a disinfectant in households, hospitals, nursing homes, farms, laundries, barber shops, veterinary equipment and food processing plants. It is also employed in the production of resins and rubber chemicals. In addition to this, it is used as a polymer material, stabilizer and flame retardant.

Solubility
Soluble in ethanol, acetone, benzene,sodium hydroxide, chloroform, acetonitrile, toluene, hexane, ligroin, ethyl ether, pyridine, ethylene glycol, isopropanol, glycol ethers and polyglycols.

2-phenylphenol and its sodium salt have broad-spectrum bactericidal and mildew-removing capabilities, and are low-toxic and odorless. They are good preservatives and can be used for mildew prevention and preservation of fruits and vegetables, especially for citrus fruits. They can also be used to treat lemons, pineapples, pears, peaches, tomatoes, cucumbers, etc., which can minimize decay.
Specifically, 2-phenylphenol can be used as a mildew inhibitor and fruit and vegetable preservative. It is mainly used for mildew prevention of citrus skin, with a maximum usage of 3.0g/kg and a Chemicalbook residue of no more than 12mg/kg.
It can be used as a carrier, surfactant, bactericidal preservative, and dye intermediate when hydrophobic synthetic fibers such as chlorofiber and polyester are dyed using a carrier.
It is used as a reagent for fluorescent determination of triose. Dye intermediate.
It is used as a deoxyribonuclease (DNase) inhibitor; used as a triose analysis and detection reagent. 2-phenylphenol has a strong bactericidal function and is used as a preservation of wood, leather, and paper, as well as a storage preservation of fruits, vegetables, and meat.

Eyes: Check for contact lenses and remove them at once if present. You should then immediately flush eyes with water from any source for 15 minutes. Do not use oil or ointment in eyes. Arrange immediate transportation to a medical facility.

Skin: Immediately flood affected skin with water while removing and isolating all contaminated clothing. Gently wash all affected skin areas thoroughly with soap and water. Immediately call a hospital or poison control center even if no symptoms (such as redness or irritation) develop. Immediately transport the victim to a hospital for treatment after washing the affected areas.

Inhalation: Immediately leave the contaminated area; take deep breaths of fresh air. If symptoms (such as wheezing, coughing, shortness of breath, or burning in the mouth, throat, or chest) develop, call a physician and be prepared to transport the victim to a hospital. Provide proper respiratory protection to rescuers entering an unknown atmosphere. Whenever possible, self-contained breathing apparatus (scba) should be used; if not available, use a level of protection greater than or equal to that advised under protective clothing.

Ingestion: Do not induce vomiting. Phenols are very toxic poisons and corrosive and irritating, so that inducing vomiting may make medical problems worse. Immediately call a hospital or poison control center and locate activated charcoal, egg whites, or milk in case the medical advisor recommends administering one of them. If advice from a physician is not readily available and the victim is conscious and not convulsing, give the victim a glass of activated charcoal slurry in water or, if this is not available, a glass of milk, or beaten egg whites and immediately transport victim to a hospital. If the victim is convulsing or unconscious, do not give anything by mouth, assure that the victim's airway is open and lay the victim on his/her side with the head lower than the body. Do not induce vomiting. Immediately transport the victim to a hospital.

Q: What is 2-phenylphenol used for?

A: In agriculture, it is used in disinfecting fruits, vegetables and eggs. 2-Phenylphenol is also used as a general surface disinfectant in hospitals, nursing homes, veterinary hospitals, poultry farms, dairy farms, commercial laundries, barbershops and food processing plants.

Q: Is Phenylphenol safe?

A: O-Phenylphenol may affect the kidneys. No occupational exposure limits have been established for o-Phenylphenol. However, it may pose a health risk. Always follow safe work practices.

Q: What is Ortho-Phenylphenol used for?

A: Ortho-Phenylphenol (OPP) is an organic chemical that is a white, buff, crystalline (sand-like) solid. OPP has biocidal properties, making it useful for various preservation applications. Textiles: OPP may be used in textile material production as a dye carrier, especially for synthetic fibers.

Q: What is phenyl 2 propanol used for?

A: 2-Phenyl-2-propanol is a fragrance ingredient used in many compounds. It may be found in fragrances used in decorative cosmetics, fine fragrances, shampoos, toilet soaps and other toiletries as well as in non-cosmetic products such as household cleaners and detergents.

Q: What is 4-Phenylphenol used for?

A: 4-Phenylphenol is an intermediate for the production of varnish resins and nonionogenic emulsifiers which are used in the plant protection,polyurethane, and dyeing sectors.

Q: What is Ortho Phenol used for?

A: Biocide Ortho Phenyl Phenol is used as a surface disinfectant and is added as an ingredient in the formulation of floor & glass cleaners, medicinal soaps & liquids, and underarm sprays or deodorants.

Q: What is another name for 2-Phenylphenol?

A: 2-Phenylphenol, or o-phenylphenol, is an organic compound. In terms of structure, it is one of the monohydroxylated isomers of biphenyl. It is a white solid. It is a biocide used as a preservative with E number E231 and under the trade names Dowicide, Torsite, Fungal, Preventol, Nipacide and many others.

Q: What is the use of Phenylphenol?

A: O-Phenylphenol is a white, buff, to light lavender, crystalline (sand-like) solid. It is used as a fungicide, germicide, household disinfectant, and laboratory reagent. Substance List because it is cited by DEP, IARC, NFPA and EPA.

Q: Which form of the 2-phenylphenol will be more soluble in the organic layer?

A: 2-phenylphenol (non-ionic form) will be more soluble in organic layer.

Q: How is 4 Phenylphenol formed?

A: Production. 4-Phenylphenol can be obtained from the Suzuki coupling of phenylboronic acid with 4-iodophenol in the presence of 10% palladium on carbon and potassium carbonate.