4-PHENYLPHENOL

PRODUCT IDENTIFICATION

CAS NO. 92-69-3

4-PHENYLPHENOL

EINECS NO. 202-179-2
FORMULA C6H5C6H4OH
MOL WT. 170.21

H.S. CODE

2907.19.8000

TOXICITY

Oral rat LD50; 2000 mg/kg
SYNONYMS p-Phenylphenol; 1,1'-Biphenyl-4-ol; (1,1-Biphenyl)-4-ol;
4-Hydroxdiphenyl; 4-Hydroxybiphenyl; Biphenylol; Biphenyl-4-ol; p-Xenol; Orthoxenol; 4-Biphenylol; p-Xonal; p-Hydroxydipbenyl; Paraxenol; 4-Diphenylol; 4-Phenylphenol; Phenol p-phenyl; Paraxenol; para-Hydroxydiphenyl; para-Phenylphenol; Other RN: 61840-56-0, 110617-59-9
SMILES c1(c2ccccc2)ccc(O)cc1

CLASSIFICATION

Phenol, Biphenyl

EXTRA NOTES

 

PHYSICAL AND CHEMICAL PROPERTIES

PHYSICAL STATE white flakes, mild odor
MELTING POINT 165 - 167 C
BOILING POINT

307 C

SPECIFIC GRAVITY

 

SOLUBILITY IN WATER 0.7 g/l at 20 C

SOLVENT SOLUBILITY

soluble in alkalies, in most organic solvents
VAPOR DENSITY

 

pKa 9.55 (Dissociation Constant at 25 C)
log P 3.2 (Octanol-water)
VAPOR PRESSURE 1.86E-05 (mmHg at 25 C)
HENRY LAW CONSTANT 5.23E-08 (atm-m3/mole at 25 C)
OH RATE CONSTANT 2.73E-11 (cm3/molecule-sec at 25 C Atmospheric)

REFRACTIVE INDEX

 
AUTOIGNITION

250 C

NFPA RATINGS Health: 2; Flammability: 1; Reactivity: 0
FLASH POINT

165 C

STABILITY

Stable under ordinary conditions

EXTERNAL LINKS & GENERAL DESCRIPTION

Material Safety Data Sheet

Google Scholar Search

PubChem Compound Summary - 4-Phenylphenol

Local:
Phenylphenol is used in formulating biocides and preservatives. It can be used as a additive for food packaging materails, seed boxes and household goods as a disinfectant and fungicide. Phenylphenol is used to manufacture germicide, fungicide, rubber chemicals and dyes.

SALES SPECIFICATION

APPEARANCE

white flakes

ASSAY

98.0% min

MELTING POINT 165 - 167 C

MOISTURE

0.1% max

TRANSPORTATION
PACKING

 

HAZARD CLASS  
UN NO.

Not regulated

SAFETY INFORMATION

HAZARD OVERVIEW

Causes skin irritation. Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. May cause eye and respiratory tract irritation. Target Organs: Skin.

GHS

 

SIGNAL WORD Warning

PICTOGRAMS

HAZARD STATEMENTS

H315:  Causes skin irritation
H319:  Causes serious eye irritation
H335:  May cause respiratory irritation
H411:  Toxic to aquatic life with long lasting effects

PRECAUTIONARY STATEMENTS

P273:  Avoid release to the environment
P280:  Wear protective gloves/protective clothing/eye protection/face protection
P302+ P352:  IF ON SKIN: Wash with plenty of soap and water
P305 + P351 + P338:  IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing

EC DIRECTIVES

 

HAZARD CODES

Xi Irritant

RISK PHRASES

36/37/38:  Irritating to eyes, respiratory system and skin.
51/53:  Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.

SAFETY PHRASES

37:  Wear suitable gloves.
61:  Avoid release to the environment. Refer to special instructions / safety data sheets.

GENERAL DESCRIPTION OF BIPHENYL
Biphenyl (also called Diphenyl, but exactly one of two compounds. The other is o-phenylphenol, used to prevent the growth of moulds ) is an aromatic hydrocarbon; molecule structure is composed of two six-sided carbon rings connected at one carbon site on each ring. Pure biphenyl is a toxic colourless crystalline solid with a pleasant odour; melting point 70 C, boiling point 255 C, which gives plates or monoclinic prismatic crystals; it is insoluble in water but soluble in ordinary organic solvents. It is directly used in the preservation of citrus fruits  as a fungistat in transportation containers. It is a raw material for polychlorinated diphenyls (PCB) in which chlorine replaces hydrogen in biphenyls. There are 209 chlorinated isomers of biphenyl theoretically. But PCBs are referred to the biphenyl compounds with one to ten chlorine substitutions. PCBs are used heat-transfer agents and as electric insulators that block the flow of electric current across in electrical equipments. They are known as environmental pollution materials which are accumulated in animal tissues and cause toxic effects including carcinogenesis. Biphenyl is used as an intermediate for the production of a wide range of organic compounds (e.g. emulsifiers, optical brighteners, crop protection products, plastics), as a heat transfer medium alone or with diphenyl ether in heating fluids, as a dyestuff carrier for textiles and copying paper and as a solvent in pharmaceutical production. Aminodiphenyls are used as rubber antioxidants and intermediates for the synthesis of organic compounds ( azo dyes and pharmaceuticals). Biphenyl derivatives are used as an intermediate for the synthesis of organic compounds including pharmaceuticals, antifungal agents, optical brightening agents and dyes. Biphenyl compounds also used in luminescence chemistry, spectrophotometric analysis, molecular chemistry, and as a stating material for organometallic-complexes.
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