4,4'-Biphenol

ChemicalBook > CAS DataBase List > 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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View Lastest Price from 4,4'-Biphenol manufacturers

Hebei Longbang Technology Co., Ltd

Product: 4,4'-Biphenol 92-88-6
Price: US $6.00/kg
Min. Order: 1kg
Purity: More than 99%
Supply Ability: 2000KG/Month
Release date: 2024-05-10

Ouhuang Engineering Materials (Hubei) Co., Ltd

Product: 4,4'-Biphenol 92-88-6
Price: US $10.00/kg
Min. Order: 1kg
Purity: 99.8%
Supply Ability: 10000ton
Release date: 2024-04-24

Hebei Saisier Technology Co., LTD

Product: 4,4'-Biphenol 92-88-6
Price: US $6.00/KG
Min. Order: 1KG
Purity: More than 99%
Supply Ability: 2000KG/Month
Release date: 2024-04-12

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