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Name	9,9-Bis(4-hydroxyphenyl)fluorene	EINECS	406-950-6
CAS No.	3236-71-3	Density	1.288 g/cm³
PSA	40.46000	LogP	5.46090
Solubility	Insoluble in water	Melting Point	224-226 °C(lit.)
Formula	C₂₅H₁₈O₂	Boiling Point	526.4 °C at 760 mmHg
Molecular Weight	350.417	Flash Point	241 °C
Transport Information	UN 3077 9/PG 3	Appearance	white crystalline powder
Safety	26-37-60-61-37/39	Risk Codes	36/38-50/53-36/37/38
Molecular Structure		Hazard Symbols	Xi, N
Synonyms	Phenol,4,4'-fluoren-9-ylidenedi- (7CI,8CI);4,4'-(9H-Fluoren-9-ylidene)bis[phenol];4,4'-Fluoren-9-ylidenebisphenol;4,4'-Fluoren-9-ylidenediphenol;9,9-Bis(4-hydroxyphenyl)-9H-fluorene;BP-FL 20X;BPFL;Fluorene-9-Bisphenol;	Article Data	30

9,9-Bis(4-hydroxyphenyl)fluorene Synthetic route

: 117766-40-2
9,9-bis(4-methoxy-phenyl)-9H-fluorene

: 3236-71-3
9,9-bis(4-hydroxyphenyl)fluorene

Conditions

Conditions	Yield
Stage #1: Fluorene-9,9-bisphenol dimethyl ether With boron tribromide In dichloromethane at 20℃; for 48h; Stage #2: at 20℃; under 12 Torr; for 4h; Further stages.;	98%

: 486-25-9
9-fluorenone

: 108-95-2
phenol

: 3236-71-3
9,9-bis(4-hydroxyphenyl)fluorene

Conditions

Conditions	Yield
With hydrogenchloride In Zinc chloride; water; isopropyl alcohol	97%
With hydrogenchloride In Zinc chloride; water; isopropyl alcohol	97%
With sulfuric acid; 3-mercaptopropionic acid In dichloromethane at 20 - 40℃; for 6h;	92.5%

: 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

Conditions	Yield
With hydrogenchloride In Zinc chloride; water; isopropyl alcohol	A n/a B 97%
In Zinc chloride; water; isopropyl alcohol	A 81% B n/a

: 486-25-9
9-fluorenone

: 3236-71-3
9,9-bis(4-hydroxyphenyl)fluorene

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1.1: 60 percent / thioglycolic acid; aq. H2SO4 / acetic acid / 96 h / 20 °C 2.1: BBr3 / CH2Cl2 / 48 h / 20 °C 2.2: 98 percent / 4 h / 20 °C / 12 Torr View Scheme

: 100-66-3
methoxybenzene

poly[styrene (iodoso diacetate)]: poly[styrene (iodoso diacetate)]

: 3236-71-3
9,9-bis(4-hydroxyphenyl)fluorene

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1.1: 60 percent / thioglycolic acid; aq. H2SO4 / acetic acid / 96 h / 20 °C 2.1: BBr3 / CH2Cl2 / 48 h / 20 °C 2.2: 98 percent / 4 h / 20 °C / 12 Torr View Scheme

: 486-25-9
9-fluorenone

: 107-96-0
3-mercaptopropionic acid

: 108-95-2
phenol

: 3236-71-3
9,9-bis(4-hydroxyphenyl)fluorene

Conditions

Conditions	Yield
With hydrogenchloride

: 486-25-9
9-fluorenone

: 108-95-2
phenol

A: 9,9-bis(hydroxyphenyl)fluorene

B: 3236-71-3
9,9-bis(4-hydroxyphenyl)fluorene

Conditions

Conditions	Yield
With methanesulfonic acid at 140℃; for 24h; regioselective reaction;
With methanesulfonic acid at 140℃; for 3h; regioselective reaction;

: 486-25-9
9-fluorenone

: 108-95-2
phenol

A: 152480-63-2
9-(4-hydroxyphenyl)-9(2-hydroxyphenyl)-fluorene

B: 3236-71-3
9,9-bis(4-hydroxyphenyl)fluorene

C: C44H30O3

Conditions

Conditions	Yield
With n-butanethiol; N-propanesulfonic acid pyridinium hydrogen sulfate at 109.84℃; for 6h; Catalytic behavior; Reagent/catalyst; Time;

: 486-25-9
9-fluorenone

: 108-95-2
phenol

A: 152480-63-2
9-(4-hydroxyphenyl)-9(2-hydroxyphenyl)-fluorene

B: 3236-71-3
9,9-bis(4-hydroxyphenyl)fluorene

Conditions

Conditions	Yield
With n-butanethiol; (3-sulfo)propyltriethylamine phosphate at 109.84℃; for 6h; Reagent/catalyst;

: 358-23-6
trifluoromethylsulfonic anhydride

: 3236-71-3
9,9-bis(4-hydroxyphenyl)fluorene

: 218769-04-1
9,9-bis[4-(trifluoromethylsulfonyloxy)phenyl]fluorene

Conditions

Conditions	Yield
Stage #1: 9,9-bis(4-hydroxyphenyl)fluorene With pyridine In dichloromethane at 0℃; for 0.166667h; Inert atmosphere; Stage #2: trifluoromethylsulfonic anhydride In dichloromethane at 0℃; Inert atmosphere;	98.4%
With pyridine at 0 - 20℃;	94%

9,9-Bis(4-hydroxyphenyl)fluorene Chemical Properties

Molecular Structure:

Molecular Formula: C₂₅H₁₈O₂
Molecular Weight: 350.4092
IUPAC Name: 4-[9-(4-Hydroxyphenyl)fluoren-9-yl]phenol
Synonyms of 9,9-Bis(4-hydroxyphenyl)fluorene (CAS NO.3236-71-3): Bisphenol fluorenone ; Phenol, 4,4'-(9H-fluoren-9-ylidene)bis-
CAS NO: 3236-71-3
Classification Code: TSCA Flag P [A commenced PMN (Premanufacture Notice) substance]
Melting point: 224-226 °C
Index of Refraction: 1.71
Molar Refractivity: 106.35 cm3
Molar Volume: 271.9 cm3
Surface Tension: 63.5 dyne/cm
Density: 1.288 g/cm3
Flash Point: 241 °C
Enthalpy of Vaporization: 83.09 kJ/mol
Boiling Point: 526.4 °C at 760 mmHg
Vapour Pressure: 1.07E-11 mmHg at 25°C

9,9-Bis(4-hydroxyphenyl)fluorene Uses

9,9-Bis(4-hydroxyphenyl)fluorene (CAS NO.3236-71-3) is used for the synthesis of new functional materials.

9,9-Bis(4-hydroxyphenyl)fluorene Safety Profile

Safety Information of 9,9-Bis(4-hydroxyphenyl)fluorene (CAS NO.3236-71-3):
Hazard Codes:Xi ,N
Risk Statements:36/38-50/53-36/37/38
36/38:Irritating to eyes and skin
50/53:Very Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment
36/37/38:Irritating to eyes, respiratory system and skin
Safety Statements:26-37-60-61-37/39
26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
27:Take off immediately all contaminated clothing
60:This material and/or its container must be disposed of as hazardous waste
61:Avoid release to the environment. Refer to special instructions safety data sheet
37/39:Wear suitable gloves and eye/face protection
RIDADR:UN 3077 9/PG 3
WGK Germany:2

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