ChemicalBook > CAS DataBase List > 4,4'-Biphenol

4,4'-Biphenol

Product Name
4,4'-Biphenol
CAS No.
92-88-6
Chemical Name
4,4'-Biphenol
Synonyms
BIPHENOL;DOD;PPDP;BIPHENOL S;4,4'-DIHYDROXYBIPHENYL;UBL5;[1,1'-Biphenyl]-4,4'-diol;(1R,2R)-Cyclohexane-1,2-diol;asmdod;Asm dod
CBNumber
CB7448740
Molecular Formula
C12H10O2
Formula Weight
186.21
MOL File
92-88-6.mol
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4,4'-Biphenol Property

Melting point:
280-282 °C(lit.)
Boiling point:
280.69°C (rough estimate)
Density 
1.22
vapor pressure 
0Pa at 25℃
refractive index 
1.6010 (estimate)
storage temp. 
Sealed in dry,Room Temperature
pka
9.74±0.26(Predicted)
form 
Powder
color 
Off-white to light beige or light gray
Water Solubility 
sparingly soluble
BRN 
1908886
LogP
2.7 at 20℃
CAS DataBase Reference
92-88-6(CAS DataBase Reference)
NIST Chemistry Reference
p,p'-Biphenol(92-88-6)
EPA Substance Registry System
4,4'-Biphenyldiol (92-88-6)
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Safety

Hazard Codes 
Xn
Risk Statements 
21-36/37/38-37/38/68-36
Safety Statements 
26-36-24/25-36/37
RIDADR 
3077
WGK Germany 
2
RTECS 
DV4725000
TSCA 
Yes
HazardClass 
9
PackingGroup 
III
HS Code 
29061900
Toxicity
LD50 orl-rat: 9850 mg/kg TXAPA9 28,313,74
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H252Self-heating in large quantities; may catch fire

H317May cause an allergic skin reaction

H412Harmful to aquatic life with long lasting effects

Precautionary statements

P235Keep cool.

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P272Contaminated work clothing should not be allowed out of the workplace.

P273Avoid release to the environment.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
168734
Product name
4,4′-Dihydroxybiphenyl
Purity
97%
Packaging
25g
Price
$120
Updated
2024/03/01
Sigma-Aldrich
Product number
168734
Product name
4,4′-Dihydroxybiphenyl
Purity
97%
Packaging
100g
Price
$356
Updated
2024/03/01
TCI Chemical
Product number
B0464
Product name
4,4'-Dihydroxybiphenyl
Purity
>99.0%(GC)
Packaging
25g
Price
$60
Updated
2024/03/01
TCI Chemical
Product number
B0464
Product name
4,4'-Dihydroxybiphenyl
Purity
>99.0%(GC)
Packaging
100g
Price
$138
Updated
2024/03/01
Alfa Aesar
Product number
B22240
Product name
4,4'-Dihydroxybiphenyl, 99%
Packaging
25g
Price
$84
Updated
2024/03/01
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4,4'-Biphenol Chemical Properties,Usage,Production

Chemical Properties

Powder

Uses

4,4'-biphenol be used intermediate liquid crystal polymers raw materials. Synthetic polymers, due to its excellent heat resistance, it is used as polyester, urethane modified monomer, polycarbonate, polysulfone, and epoxy resin, for the manufacture of an excellent engineering plastics and composite materials. Antioxidant antioxidants for rubber and plastics. Dye intermediates or petroleum products stabilizer.

Uses

Biphenol is an intermediate used in the manufacture of thermoplastics such as liquid crystalline polymers (LCP), polyesters, polycarbonates and polysulfones.

Uses

Intermediates of Liquid Crystals

Production Methods

4,4'-Biphenol can be synthesized in excellent yields by debutylation of 3,3',5,5'-tetra-tert-butyl-4,4'-dihydroxybiphenyl. Other production processes are the alkaline fusion of 4,4'-biphenyldisulfonic acid, the boil down of benzidinebisdiazonium salts, and the decarboxylation of 4,4'-dihydroxybiphenyl-2-carboxylic acid. Symmetrically alkylated 4,4'-dihydroxybiphenyls such as 4,4'-dihydroxy-2,2',3,3',5,5',6,6'-hexamethylbiphenyl are preferably obtained by the oxidative coupling of the corresponding substituted monophenols. Here, diphenoquinones are generally formed in the first step which must be reduced. Phenol itself always gives isomeric mixtures of dihydroxybiphenyls on coupling with various oxidants. These mixtures are also formed by alkaline fusion of 4,4'-dihydroxybiphenylsulfone.

Definition

ChEBI: A member of the class of hydroxybiphenyls that is biphenyl with hydroxy groups at positions 4 and 4'.

Flammability and Explosibility

Not classified

Safety Profile

Poison by intraperitoneal route.Moderately toxic by skin contact. Mildly toxic byingestion. Human mutation data reported. When heated todecomposition it emits acrid smoke and irritating fumes.

Purification Methods

Recrystallise the biphenol from aqueous EtOH preferably under N2 to avoid oxidation to the extended qiunone. It is characterized as the dimethyl derivative (4,4’-dimethoxybiphenyl) from which it is prepared by demethylation. The dimethoxy derivative has m 176.5-177o (from AcOH, EtOH, hexane or *C6H6) and sublimes in vacuo. [Williamson & Rodebush J Am Chem Soc 63 3019 1941, Beilstein 6 I 485, 6 II 962, 6 III 6389, 6 IV 6651.]

4,4'-Biphenol Preparation Products And Raw materials

Raw materials

Preparation Products

4'-Hydroxy-4-biphenylcarbonitrile
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4,4'-Biphenol Suppliers

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View Lastest Price from 4,4'-Biphenol manufacturers

Hebei Zhuanglai Chemical Trading Co.,Ltd
Product
4,4'-Biphenol 92-88-6
Price
US $10.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
20ton
Release date
2024-05-30
WUHAN FORTUNA CHEMICAL CO., LTD
Product
4,4'-Biphenol 92-88-6
Price
US $0.00/KG
Min. Order
25KG
Purity
98%min
Supply Ability
30tons/month
Release date
2023-01-12
HebeiShuoshengImportandExportco.,Ltd
Product
4,4'-Biphenol 92-88-6
Price
US $6.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
2000KG/Month
Release date
2024-08-09

92-88-6, 4,4'-BiphenolRelated Search:

4,4'-Diacetylbiphenyl 1,3-Dihydroxyacetone tert-Butylhydroquinone 4,4'-Ethylenedianiline Catechol Triclosan Biphenyl-4,4'-dicarboxylic acid Resorcinol 2-Phenylphenol Biphenyl 4,4'-Dimethylbiphenyl 4-Phenylphenol Hydroquinone Benzidine 4-tert-Butylcatechol 1-Hydroxyethylidene-1,1-diphosphonic acid 6,6’-diamino-m’-bipheno 2,2'-Biphenol

  • (1,1’-Biphenyl)-4,4’-diol
  • BIPHENOL
  • BIPHENYL-4,4'-DIOL
  • 4,4'-BIPHENOL
  • 4,4'-BIPHENYLDIOL
  • 1-(9,10-dihydroanthracen-1-yl)-9,10-dihydroanthracene
  • BIPHENOL S
  • Biphenyl-4,4'-diol 4,4'-Dihydroxybiphenyl 4,4'-Dihydroxydiphenyl 4,4'-Diphenol
  • P,P'-BIPHENOL
  • PPDP
  • P,P'-DIPHENOL
  • P,P'-DIHYDROXYBIPHENYL
  • DOD)4,4'-Dihydroxy
  • 4,4'-Dihydroxydiphenyl (DOD)
  • 4,4- twohydroxydiphenyl
  • 4,4'-Dihydroxybiphenyl 97%
  • 4,4'-Dihydroxybiphenyl, 97+%
  • NIMA-interacting protein 1
  • PIN1 human
  • UBL5
  • 4,4'-Dihydroxybiphenyl Vetec(TM) reagent grade, 97%
  • 4,4′-Dihydroxybiphenyl, >=98%
  • 4,4'-Dihydroxy-1,1'-biphenyl
  • 4,4'-Dioxydiphenyl
  • Antioxidant DOD
  • antioxidantdod
  • Asm dod
  • asmdod
  • DOD
  • para,para'-Biphenol
  • p-Dihydroxydiphenyl
  • Phenol p-(p-Hydroxyphenyl)-
  • USAF do-30
  • usafdo-30
  • [1,1’-biphenyl]-4,4’-diol
  • [1,1'-Biphenyl]-4,4'-diol
  • 4,4’-bisphenol
  • 4,4'-DIPHENOL
  • 4,4'-DIHYDROXYBIPHENYL
  • 4,4'-DIHYDROXYDIPHENYL
  • 4 4'-BIPHENOL SUBLIMED ZONE-REFINED &
  • 4,4''-BIPHENOL, REFINED 99.5+%
  • 4,4''-BIPHENOL, 99.94% JAPAN IMPORT
  • 4,4μ-Biphenol, 4,4μ-Biphenyldiol, 4,4μ-Diphenol
  • (1R,2R)-Cyclohexane-1,2-diol
  • 4,4'-Biphenol,97%
  • 4,4'-Dihydroxybiphenyl ,99%
  • 4,4'-Diphenol PPDP
  • 4,4'-Bipheno
  • 4'-Biphenol
  • 4,4'-Dihydroxybiphenyl, 99%, for synthesis
  • 4,4'-Biphenol &gt
  • 4,4'-Dihydroxybiphenyl@100 μg/mL in MeOH
  • 4,4'-Biphenol,99%
  • 4,4'-Biphenol ISO 9001：2015 REACH
  • 4,4'-Biphenol 92-88-6
  • 4-(4-hydroxyphenyl)phenol
  • -Dihydroxybiphenyl