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620-92-8

Basic Information
CAS No.: 620-92-8
Name: 4,4'-DIHYDROXYDIPHENYLMETHANE
Article Data: 105
Molecular Structure:
Molecular Structure of 620-92-8 (4,4'-DIHYDROXYDIPHENYLMETHANE)
Formula: > C13H12 O2
Molecular Weight: 200.237
Synonyms: Phenol,4,4'-methylenedi- (8CI);Phenol, p,p'-methylenedi- (4CI);1,1-Bis(4-hydroxyphenyl)methane;4,4'-Bis(hydroxyphenyl)methane;4,4'-Dihydroxydiphenylmethane;4,4'-Methylenebis[phenol];Bis(4-hydroxyphenyl)methane;Bis(p-hydroxyphenyl)methane;HDM;NSC 401136;PP-BIP-F;p,p'-BPF;p-(p-Hydroxybenzyl)phenol;
EINECS: 210-658-2
Density: 1.208 g/cm3
Melting Point: 162-164 °C
Boiling Point: 390 °C at 760 mmHg
Flash Point: 192.9 °C
Solubility: It is soluble in ethanol, ether, chloroform, alkali; slightly soluble in DMSO, insoluble in carbon disulfide and water.
Appearance: White powder
Hazard Symbols: IrritantXi
Risk Codes: 36/37/38
Safety: 26-36
PSA: 40.46000
LogP: 2.68860
Synthetic route
69552-26-7

bis(4-hydroxyphenyl)methanol

620-92-8

bis-(4-hydroxyphenyl)methane

Conditions
ConditionsYield
With o-benzenedisulfonimide; isopropyl alcohol at 80℃; for 3h;100%
50-00-0

formaldehyd

108-95-2

phenol

620-92-8

bis-(4-hydroxyphenyl)methane

Conditions
ConditionsYield
With MIL-101(Cr/Al)A-f at 60℃; for 0.5h; Kinetics; Reagent/catalyst;97.1%
With silica supported perchloric acid In neat (no solvent) for 4.25h; Heating; Green chemistry;93%
With sulfonic acid and mercapto bifunctional modified mesoporous SBA-15 molecular sieve catalyst In water at 80℃; for 2h; Temperature; Inert atmosphere;89.4%
486-25-9

9-fluorenone

108-95-2

phenol

A

620-92-8

bis-(4-hydroxyphenyl)methane

B

3236-71-3

9,9-bis(4-hydroxyphenyl)fluorene

Conditions
ConditionsYield
With hydrogenchloride In Zinc chloride; water; isopropyl alcoholA n/a
B 97%
In Zinc chloride; water; isopropyl alcoholA 81%
B n/a
611-99-4

4,4'-Dihydroxybenzophenone

620-92-8

bis-(4-hydroxyphenyl)methane

Conditions
ConditionsYield
With hydrogen; palladium on activated charcoal In ethanol at 20℃; for 6h;91%
With aluminum (III) chloride; lithium aluminium tetrahydride In tetrahydrofuran at 65℃; for 48h;68%
With aluminum (III) chloride; lithium aluminium tetrahydride In tetrahydrofuran at 65℃; for 48h;68%
With hydrogenchloride; amalgamated zinc; toluene
With palladium on activated charcoal; isopropyl alcohol Hydrogenation;
156578-22-2

1,1'-bis(-tert-butyldimethylsilyloxy)-4,4'-methylenediphenol

620-92-8

bis-(4-hydroxyphenyl)methane

Conditions
ConditionsYield
With potassium hydrogen difluoride In methanol at 20℃; for 2h;84%
201230-82-2

carbon monoxide

108-95-2

phenol

A

620-92-8

bis-(4-hydroxyphenyl)methane

B

603-44-1

4,4',4''-methylidynetrisphenol

C

123-08-0

4-hydroxy-benzaldehyde

D

90-02-8

salicylaldehyde

Conditions
ConditionsYield
With hydrogen fluoride; boron trifluoride at 45℃; under 37503.8 - 60006 Torr; for 4.5h; Product distribution; Further Variations:; Reagents; time;A n/a
B n/a
C 80%
D 6%
726-18-1

4,4'-dianisylmethane

620-92-8

bis-(4-hydroxyphenyl)methane

Conditions
ConditionsYield
With pyridine hydrochloride at 210℃; for 0.5h;77.5%
50-00-0

formaldehyd

108-95-2

phenol

A

2467-02-9

Bis(2-hydroxyphenyl)methane

B

2467-03-0

2-[(4-hydroxyphenyl)methyl]phenol

C

620-92-8

bis-(4-hydroxyphenyl)methane

Conditions
ConditionsYield
Stage #1: phenol With catalyst with modified organic framework formed from chromium trioxide and phosphotungstic acid at 80℃; for 0.25h;
Stage #2: formaldehyd In water at 80℃; for 0.5h; Concentration; Time; Temperature; Reagent/catalyst;
A 7.03%
B 18.73%
C 74.24%
Stage #1: phenol With catalyst with modified organic framework formed from ferric nitrate and phosphotungstic acid at 80℃; for 0.25h;
Stage #2: formaldehyd In water at 80℃; for 4h; Concentration; Time; Temperature; Reagent/catalyst;
A 51.19%
B 33.7%
C 15.11%
Stage #1: phenol With catalyst with modified organic framework formed from ferric nitrate and phosphotungstic acid at 80℃; for 0.25h;
Stage #2: formaldehyd In water at 80℃; for 0.5h; Concentration; Time; Temperature; Reagent/catalyst;
A 30.11%
B 50.55%
C 19.34%

florisil

100-39-0

benzyl bromide

620-92-8

bis-(4-hydroxyphenyl)methane

Conditions
ConditionsYield
With potassium carbonate In ethyl acetate; N,N-dimethyl-formamide67%

4,4'-methylenebis[phenol-2,3-dicarboxylic acid]

620-92-8

bis-(4-hydroxyphenyl)methane

Conditions
ConditionsYield
With quinoline; copper(I) oxide; 1,10-Phenanthroline In 1-methyl-pyrrolidin-2-one at 190℃; for 1h; Sealed tube; Microwave irradiation;63%
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Chemistry

Chemical Name: 4,4'-Dihydroxydiphenylmethane
IUPAC NAME: 4-[(4-Hydroxyphenyl)methyl]phenol
CAS No.: 620-92-8
EINECS: 210-658-2
RTECS: SL9625000
Molecular Formula: C13H12O2
Molecular Weight: 200.23 g/mol
Melting Point: 162-164 °C
Density: 1.208 g/cm3
Flash Point: 192.9 °C
Boiling Point: 390 °C at 760 mmHg
Following is the structure of Bis(p-hydroxyphenyl)methane (CAS No.620-92-8):


Product Categories about Bis(p-hydroxyphenyl)methane (CAS No.620-92-8) are Aromatic Phenols ; Color Former & Related Compounds ; Developer ; Diphenylmethanes (for High-Performance Polymer Research) ; Functional Materials ; Reagent for High-Performance Polymer Research
The chemical synonymous of Bis(p-hydroxyphenyl)methane (CAS No.620-92-8) are 4,4’-Methylenebis(Phenol ; 4,4’-Methylenebis-Pheno ; 4,4’-Methylenebisphenol ; 4,4’-Methylenedi-Pheno ; 4,4'-Methylenebis[Phenol] ; 4-[(4-Hy-Droxyphenyl)Methyl]Phenol ; P-(P-Hydroxybenzyl)Phenol ; P,P’-Bis(Hydroxyphenyl)Methane

Toxicity Data With Reference

1.    

orl-rat LD50:4950 mg/kg

    AIHAAP    American Industrial Hygiene Association Journal. 23 (1962),95.

Consensus Reports

Reported in EPA TSCA Inventory.

Safety Profile

Mildly toxic by ingestion. When heated to decomposition it emits acrid smoke and irritating fumes.
Hazard Codes: IrritantXi
Risk Statements about Bis(p-hydroxyphenyl)methane (CAS No.620-92-8):
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements about Bis(p-hydroxyphenyl)methane (CAS No.620-92-8):
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36:Wear suitable protective clothing.