CAS No.2664-63-3,4,4'-Thiobis-phenol Suppliers

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Basic Information

Molecular Structure:
CAS No.:	2664-63-3
Name:	4,4'-Thiobis-phenol
Article Data:	60

Formula:	C₁₂H₁₀O₂S
Molecular Weight:	218.276
Synonyms:	Phenol,4,4'-thiodi- (6CI,7CI,8CI);Phenol, p,p'-thiobis- (3CI);Phenol, p,p'-thiodi-(4CI);4,4'-Dihydroxydiphenyl sulfide;4,4'-Thiobisphenol;4-(4-Hydroxyphenylthio)phenol;Bis(4-hydroxyphenyl) sulfide;Bis(p-hydroxyphenyl) sulfide;Bis(p-hydroxyphenyl)thioether;Bisphenol T;Bisphenol sulfide;NSC 203030;Thiobisphenol;p,p'-Dihydroxydiphenyl sulfide;Phenol,4,4'-thiobis-;Bis(4-oxyphenyl)sulfide;
EINECS:	220-197-9
Density:	1.37 g/cm³
Melting Point:	154-156 °C(lit.)
Boiling Point:	452.7 °C at 760 mmHg
Flash Point:	219.7 °C
Solubility:	Insoluble in water
Appearance:	White Crystals
Hazard Symbols:	C
Risk Codes:	34
Safety:	26-27-36/37/39-45
Transport Information:	UN 3261 8/PG 2
PSA:	65.76000
LogP:	3.24900

Synthetic route

: 1774-34-1
bis(4-hydroxyphenyl) sulfoxide

: 2664-63-3
4,4'-Thiodiphenol

Conditions

Conditions	Yield
With phosphorus trichloride In acetonitrile at 25℃; for 0.5h; Schlenk technique;	94%
With phosphorus trichloride In acetonitrile at 25℃; for 0.5h; Schlenk technique;	94%
With silica bromide In dichloromethane at 20℃; for 0.0833333h; Inert atmosphere;	91%

: 108-95-2
phenol

: 2664-63-3
4,4'-Thiodiphenol

Conditions

Conditions	Yield
With tetraethylammonium perchlorate In acetonitrile for 2h; Ambient temperature; working pot.: 2.2 V vs SCE;	92%
With N,N'-thiodimorpholine; boron trifluoride In dichloromethane at -78 - 25℃;	46%
With carbon disulfide; sulfur dichloride

: 540-38-5
4-Iodophenol

: 2664-63-3
4,4'-Thiodiphenol

Conditions

Conditions	Yield
With sulfur; sodium hydroxide In dimethyl sulfoxide at 130℃; for 3.33333h;	90%
With sulfur; potassium hydroxide In dimethyl sulfoxide at 130℃; for 1.66667h; Green chemistry;	88%
With potassium hydroxide In dimethyl sulfoxide at 120℃; for 3h; Green chemistry;	74%
With thiourea; potassium hydroxide In dimethyl sulfoxide at 130℃; for 6h; Reagent/catalyst;	67%

: 106-41-2
4-bromo-phenol

: 2664-63-3
4,4'-Thiodiphenol

Conditions

Conditions	Yield
With sulfur; potassium hydroxide In dimethyl sulfoxide at 130℃; for 2.16667h; Green chemistry;	88%
With sulfur; potassium hydroxide In dimethyl sulfoxide at 110℃; for 1.16667h;	83%
With sulfur; sodium hydroxide In dimethyl sulfoxide at 130℃; for 4.33333h;	73%

: 637-89-8
4-sulfanylphenol

: 71597-85-8
(p-hydroxyphenyl)boronic acid

: 2664-63-3
4,4'-Thiodiphenol

Conditions

Conditions	Yield
Stage #1: 4-sulfanylphenol With [2,2]bipyridinyl; nickel(II) chloride hexahydrate In N,N-dimethyl-formamide; acetonitrile at 20℃; for 0.0833333h; Stage #2: (p-hydroxyphenyl)boronic acid With potassium tert-butylate In N,N-dimethyl-formamide; acetonitrile at 20℃; for 12h; chemoselective reaction;	81%

: 106-48-9
4-chloro-phenol

: 2664-63-3
4,4'-Thiodiphenol

Conditions

Conditions	Yield
With sulfur; potassium hydroxide In neat (no solvent) at 110℃; for 7.3h; Reagent/catalyst; Green chemistry; chemoselective reaction;	68%
With sulfur; potassium hydroxide In dimethyl sulfoxide at 100℃; for 12h;	55%
With thiourea; potassium hydroxide at 100℃; for 3.5h; Catalytic behavior;	55%
With thiourea; sodium hydroxide In dimethyl sulfoxide at 130℃; for 10.5h;	43%

: 108-95-2
phenol

A: 2664-63-3
4,4'-Thiodiphenol

B: 17755-37-2
(2-hydroxyphenyl 4-hydroxyphenyl)sulfure

Conditions

Conditions	Yield
With tetraethylammonium perchlorate; trichloroacetic acid In dichloromethane for 2h; Ambient temperature; working pot.: 2.2 V vs SCE;	A 48% B 37%

: 106-41-2
4-bromo-phenol

A: 1121-24-0
ortho-mercaptophenol

B: 615-58-7
2,4-dibromophenol

C: 95-56-7
2-hydroxybromobenzene

D: 2664-63-3
4,4'-Thiodiphenol

E: 108-95-2
phenol

Conditions

Conditions	Yield
With hydrogen sulfide; sulfur at 110℃; for 3h; Mechanism; Product distribution; var. temp. and time; other halogenophenols, also phenol;	A 5.1% B 8.5% C 9.6% D n/a E 32.6%

...Expand

: 19089-85-1
p-diazophenol

A: 15015-57-3
bis(4-hydroxyphenyl)disulfide

B: 2664-63-3
4,4'-Thiodiphenol

Conditions

Conditions	Yield
With sodium hydroxide; sodium disulfide at 90℃;

: 139-65-1
4,4'-thiobisaniline

: 2664-63-3
4,4'-Thiodiphenol

Conditions

Conditions	Yield
With sulfuric acid; acetic acid; isopentyl nitrite Diazotization.Eintragen der erhaltenen Diazoniumsalz-Loesung in wss. H2SO4 bei Siedetemperatur;

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Chemistry

IUPAC Name: 4-(4-Hydroxyphenyl)sulfanylphenol
Canonical SMILES: C1=CC(=CC=C1O)SC2=CC=C(C=C2)O
InChI: InChI=1S/C12H10O2S/c13-9-1-5-11(6-2-9)15-12-7-3-10(14)4-8-12/h1-8,13-14H
InChIKey: VWGKEVWFBOUAND-UHFFFAOYSA-N
Molecular Weight: 218.2716 [g/mol]
Molecular Formula: C₁₂H₁₀O₂S
XLogP3: 3.3
H-Bond Donor: 2
H-Bond Acceptor: 2
EINECS: 220-197-9
Product Categories: Biochemistry; Color Former & Related Compounds; Developer; Diphenyl Sulfides (for High-Performance Polymer Research); Functional Materials; Reagent for High-Performance Polymer Research; Reagents for Oligosaccharide Synthesis
Sensitive: Air Sensitive
Index of Refraction: 1.717
Molar Refractivity: 62.53 cm³
Molar Volume: 158.7 cm³
Surface Tension: 70.6 dyne/cm
Density: 1.37 g/cm³
Flash Point: 219.7 °C
Enthalpy of Vaporization: 73.94 kJ/mol
Boiling Point: 452.7 °C at 760 mmHg
Vapour Pressure: 8.17E-09 mmHg at 25 °C
Melting Point: 154-156 °C(lit.)
Classification Code of Bis(4-oxyphenyl)sulfide (CAS NO.2664-63-3): Skin / Eye Irritant

Toxicity Data With Reference

1.	skn-rbt 500 mg MLD	BIOFX* BIOFAX Industrial Bio-Test Laboratories, Inc., Data Sheets .(Northbrook, IL.: )1971,A408.
2.	eye-rbt 100 mg SEV	BIOFX* BIOFAX Industrial Bio-Test Laboratories, Inc., Data Sheets .(Northbrook, IL.: )1971,A408.
3.	orl-rat LD50:3362 mg/kg	BIOFX* BIOFAX Industrial Bio-Test Laboratories, Inc., Data Sheets .(Northbrook, IL.: )1971,A408.
4.	orl-mus LD50:5500 mg/kg	TPKVAL Toksikologiya Novykh Promyshlennykh Khimicheskikh Veshchestv. Toxicology of New Industrial Chemical Sciences. 13 (1973),154.

Consensus Reports

Reported in EPA TSCA Inventory.

Safety Profile

Moderately toxic by ingestion. Corrosive. A skin and severe eye irritant. When heated to decomposition Bis(4-oxyphenyl)sulfide emits toxic fumes of SO_x.
Hazard Codes: C
Risk Statements: 34
R34:Causes burns.
Safety Statements: 26-27-36/37/39-45
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S27:Take off immediately all contaminated clothing.
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
RIDADR: UN 3261 8/PG 2
WGK Germany: 2
RTECS: SN0800000
HazardClass: 8
PackingGroup: II

Specification

Bis(4-oxyphenyl)sulfide (CAS NO.2664-63-3), its Synonyms are 4,4'-Dihydroxydiphenyl sulfide ; 4,4'-Dihydroxydiphenylsulfide ; 4,4'-Dioxydiphenyl sulfide ; 4,4'-Dioxydiphenylsulfide ; 4,4'-Thiobisphenol ; Bis(4-hydroxyphenyl) sulfide ; Bis(p-hydroxhphenyl) sulfide ; DFS ; Sulfide, bis(4-hydroxyphenyl) ; Thiobisphenol ; p,p'-Dihydroxydiphenyl sulfide .