ChemicalBook > CAS DataBase List > 1,1,1-Tris(4-hydroxyphenyl)ethane

1,1,1-Tris(4-hydroxyphenyl)ethane

Product Name
1,1,1-Tris(4-hydroxyphenyl)ethane
CAS No.
27955-94-8
Chemical Name
1,1,1-Tris(4-hydroxyphenyl)ethane
Synonyms
1,1,1-TRIS(P-HYDROXYPHENYL)ETHANE;TIMTEC-BB SBB006476;LABOTEST-BB LT00159983;TRIS-HYDROXYPHENYLETHANE;Tri(4-hydroxyphenyl)ethane;TRIS(P-HYDROXYPHENYL)ETHANE;tris(4-hydroxyphenyl)ethane;4,4',4"-Ethylidynetriphenol;4,4’,4’’-ethylidynetri-pheno;4,4’,4’’-ethylidynetrisphenol
CBNumber
CB8390792
Molecular Formula
C20H18O3
Formula Weight
306.36
MOL File
27955-94-8.mol
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1,1,1-Tris(4-hydroxyphenyl)ethane Property

Melting point:
246-248 °C (lit.)
Boiling point:
531.8±45.0 °C(Predicted)
Density 
1.252±0.06 g/cm3(Predicted)
vapor pressure 
0Pa at 25℃
storage temp. 
Sealed in dry,Room Temperature
solubility 
241 in mg/100g standard fat at 20 ℃
form 
powder to crystal
pka
10.02±0.10(Predicted)
color 
White to Almost white
Water Solubility 
25.1mg/L at 20℃
InChI
InChI=1S/C20H18O3/c1-20(14-2-8-17(21)9-3-14,15-4-10-18(22)11-5-15)16-6-12-19(23)13-7-16/h2-13,21-23H,1H3
InChIKey
BRPSWMCDEYMRPE-UHFFFAOYSA-N
SMILES
C(C1=CC=C(O)C=C1)(C1=CC=C(O)C=C1)(C1=CC=C(O)C=C1)C
LogP
3.88 at 20℃
CAS DataBase Reference
27955-94-8(CAS DataBase Reference)
EPA Substance Registry System
Phenol, 4,4',4''-ethylidynetris- (27955-94-8)
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Safety

Hazard Codes 
Xi,N
Risk Statements 
36/37/38-51/53
Safety Statements 
26-37/39-61
RIDADR 
UN 3077 9/PG 3
WGK Germany 
2
RTECS 
SL4375275
HazardClass 
9
PackingGroup 
III
HS Code 
2907290030
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H411Toxic to aquatic life with long lasting effects

Precautionary statements

P273Avoid release to the environment.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
326844
Product name
1,1,1-Tris(4-hydroxyphenyl)ethane
Purity
99%
Packaging
100g
Price
$143.45
Updated
2025/07/31
TCI Chemical
Product number
T1254
Product name
1,1,1-Tris(4-hydroxyphenyl)ethane
Purity
>98.0%(GC)
Packaging
25g
Price
$43
Updated
2025/07/31
TCI Chemical
Product number
T1254
Product name
1,1,1-Tris(4-hydroxyphenyl)ethane
Purity
>98.0%(GC)
Packaging
100g
Price
$107
Updated
2025/07/31
TCI Chemical
Product number
T1254
Product name
1,1,1-Tris(4-hydroxyphenyl)ethane
Purity
>98.0%(GC)
Packaging
500g
Price
$321
Updated
2025/07/31
TRC
Product number
T884955
Product name
1,1,1-Tris(4-hydroxyphenyl)ethane
Packaging
250mg
Price
$45
Updated
2021/12/16
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1,1,1-Tris(4-hydroxyphenyl)ethane Chemical Properties,Usage,Production

Application

In polycarbonate synthesis, 1,1,1-Tris(4-hydroxyphenyl)ethane functions as a highly effective branching agent that can be incorporated into reaction mixtures containing dihydroxyaromatic compounds such as bisphenol A and carbonate sources including phosgene or diphenyl carbonate. This application has proven particularly valuable in the production of high-performance engineering polymers where enhanced mechanical strength and thermal resistance are critical requirements.

Hazard

Low toxicity by ingestion and skin contact. A mild eye irritant.

Flammability and Explosibility

Non flammable

Synthesis

99-93-4

108-95-2

27955-94-8

Synthesis: Phenol (54.0 mol) and zinc chloride (100 g) were added to the reactor and stirred until well mixed. Subsequently, p-hydroxyacetophenone (6.5 mol) was slowly added over 40 minutes, warmed to 60°C and maintained at this temperature for 60 minutes. Concentrated hydrochloric acid (100 mL) was added and the reaction was continued with stirring for 8 hours. After completion of the reaction, the temperature was lowered to 20 °C, dichloroethane was added and filtered with thorough stirring. The filter cake was dried under vacuum at 55 °C for 6 h. The crude product 1,1,1-tris(4-hydroxyphenyl)ethane (THPE) was obtained as 1811 g. The purity of the crude product was 95.0% and the yield was 91.1%. Purification method: the crude product (1000 g) prepared above was added into methanol (2000 mL), heated until completely dissolved and then cooled, slowly added into water (1600 mL), stirred at room temperature for 50 minutes, a light yellow product was obtained. Filtered and dried. The dried product was dissolved in methanol (1200 mL), heated to complete dissolution and added activated carbon to decolorize, filtered and evaporated the solvent to obtain a solid. The obtained solid was dissolved in methanol (1000 mL), and a mixed solution of sodium borohydride (5 g) and sodium sulfite (35 g) was slowly added, and the light yellow powder gradually precipitated. The solid obtained was filtered and dried under vacuum at 25 °C for 10 h. The purified product was obtained as 913 g in 91.3% yield and 99.5% purity by HPLC analysis.

References

[1] Patent: CN105541561, 2016, A. Location in patent: Paragraph 0021; 0022; 0023; 0024; 0025
[2] Asian Journal of Chemistry, 2014, vol. 26, # 22, p. 7846 - 7852
[3] Patent: US2006/4214, 2006, A1. Location in patent: Page/Page column 4-5

1,1,1-Tris(4-hydroxyphenyl)ethane Preparation Products And Raw materials

Raw materials

Preparation Products

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1,1,1-Tris(4-hydroxyphenyl)ethane Suppliers

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View Lastest Price from 1,1,1-Tris(4-hydroxyphenyl)ethane manufacturers

Watson Biotechnology Co.,Ltd
Product
Tris(p-hydroxyphenyl)ethane 27955-94-8
Price
US $0.00-0.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
20MT
Release date
2025-07-04
ZHENGZHOU JIUYI TIME NEW MATERIALS CO,.LTD
Product
4,4',4"-Ethylidynetriphenol 27955-94-8
Price
US $2.20-8.80/kg
Min. Order
1kg
Purity
99%min
Supply Ability
1000kg
Release date
2025-06-13
Shaanxi Dideu New Materials Co. Ltd
Product
1,1,1-Tris(4-hydroxyphenyl)ethane 27955-94-8
Price
US $0.00-0.00/KG
Min. Order
1KG
Purity
99.0%
Supply Ability
10000KGS
Release date
2025-05-26

27955-94-8, 1,1,1-Tris(4-hydroxyphenyl)ethaneRelated Search:

ETHYLENE OXIDE Triphenylmethyl Chloride Ethanol Triphenyltin acetate Tricine Triphenylphosphine 1,2-Dichloroethane Lactulose BUFFER SOLUTION PH = 6,00 (20 °C) (POTASSIUM DIHYDROGEN PHOSPHATE/SODIUM HYDROXIDE) BIS-Tris Dichloroethane CHLOROETHANE 2,3,5-Triphenyltetrazolium chloride Tris(hydroxymethyl)aminomethane Propiophenone Phenylacetone 1,1,1-TRIS(4-TRIFLUOROVINYLOXYPHENYL)ETHANE 3A-AMINO-3A-DEOXY-(2AS,3AS)-BETA-CYCLODEXTRIN

  • 4,4’,4’’-ethylidynetri-pheno
  • 4,4’,4’’-ethylidynetris-pheno
  • 4,4’,4’’-ethylidynetrisphenol
  • 4-[1,1-bis(4-hydroxyphenyl)ethyl]phenol
  • 3,5-dichloro-N-diethoxyphosphoryl-2-(trichloromethyl)-4-pyridinamine
  • tris(4-hydroxyphenyl)ethane
  • 4,4',4''-(ETHYLIDENE)TRISPHENOL
  • 1,1,1-TRIS(4-HYDROXYPHENYL)ETHANE
  • 1,1,1-TRIS(P-HYDROXYPHENYL)ETHANE
  • TIMTEC-BB SBB006476
  • TRIS(P-HYDROXYPHENYL)ETHANE
  • TRIS-HYDROXYPHENYLETHANE
  • LABOTEST-BB LT00159983
  • 4,4',4''-(ethan-1,1,1-triyl)triphenol
  • 4,4μ,4μμ-Ethylidynetrisphenol, THPE
  • 1,1,1 TRIS HYDROXY PHENYL ETHANE
  • 4,4',4''-(1,1,1-Ethanetriyl)tris(phenol)
  • 4,4',4''-(Ethane-1,1,1-triyl)tris(phenol)
  • Phenol, 4,4',4''-ethylidynetri- (8ci)
  • Phenol, 4,4',4''-ethylidynetris-
  • 1,1,1-Tris(4-hydroxyphenyl)ethane 99%
  • 4-tris(hydroxyphenyl)ethaMe,THPE
  • 4,4',4''-(Ethane-1,1,1-triyl)triphenol
  • 1,1,1-Tris(4-hydroxyphenyl)ethane (THPE)
  • 1,1,1-This(4-hydroxyphenyl)ethane
  • 1-Tris(4-hydroxyphenyl)ethane
  • 1,1,1-Tris(4-hydroxyphenyl)ethane ISO 9001：2015 REACH
  • 1,1, 1-tri (4-hydroxyphenyl) ethane
  • 4,4',4"-Ethylidynetriphenol
  • Tri(4-hydroxyphenyl)ethane
  • 1,1,1-Tris(4-hydroxyphenyl)ethane（Assumed）
  • 1,1,1-TRIS(4-HYDROXYPHENYL)ETHANE >98.0%
  • 27955-94-8
  • 55-94-8
  • 27995-94-8
  • C20H18O3
  • CH3CC6H4OH3
  • Color Former & Related Compounds
  • Developer
  • Color Former & Related Compounds
  • Developer
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