4,4',4"-Ethylidynetriphenol

Modify Date: 2025-08-21 00:22:48

4,4',4"-Ethylidynetriphenol structure	Common Name	4,4',4"-Ethylidynetriphenol
	CAS Number	27955-94-8	Molecular Weight	306.355
	Density	1.3±0.1 g/cm3	Boiling Point	531.8±45.0 °C at 760 mmHg
	Molecular Formula	C₂₀H₁₈O₃	Melting Point	246-248 °C(lit.)
	MSDS	Chinese USA	Flash Point	251.0±23.3 °C
	Symbol	GHS09	Signal Word

Name	4-[1,1-bis(4-hydroxyphenyl)ethyl]phenol
Synonym	More Synonyms

Density	1.3±0.1 g/cm3
Boiling Point	531.8±45.0 °C at 760 mmHg
Melting Point	246-248 °C(lit.)
Molecular Formula	C₂₀H₁₈O₃
Molecular Weight	306.355
Flash Point	251.0±23.3 °C
Exact Mass	306.125580
PSA	60.69000
LogP	3.83
Vapour Pressure	0.0±1.5 mmHg at 25°C
Index of Refraction	1.656

4,4',4"-Ethylidynetriphenol MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: SL4375275

CHEMICAL NAME :: Phenol, 4,4',4''-ethylidynetris-

CAS REGISTRY NUMBER :: 27955-94-8

LAST UPDATED :: 199806

DATA ITEMS CITED :: 4

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: Standard Draize test

ROUTE OF EXPOSURE :: Administration into the eye

SPECIES OBSERVED :: Rodent - rabbit

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0530499-1 ** ACUTE TOXICITY DATA **

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >5 gm/kg

TOXIC EFFECTS :: Skin and Appendages - hair

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0530499-1

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >2 gm/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0530499-1

Symbol	GHS09
Hazard Statements	H411
Precautionary Statements	P273
Personal Protective Equipment	Eyeshields;Gloves
Hazard Codes	Xi:Irritant;
Risk Phrases	R36/37/38
Safety Phrases	S26-S37/39-S61
RIDADR	UN 3077 9/PG 3
WGK Germany	2
RTECS	SL4375275
HS Code	2907199090

4-Hydroxyacetop...

CAS#:99-93-4

Phenol

CAS#:108-95-2

~56%

4,4',4"-Ethylid...

CAS#:27955-94-8

Literature: Kishan, Gurram; Ramanarayanan, G.V.; Ravindra, Khanwelkar Rahul; Dhalla, Adil Minoo; Rai, Vinod Kumar; Kulkarni, Surendra Umesh Patent: US2006/4214 A1, 2006 ; Location in patent: Page/Page column 4-5 ;

2,4-Pentandione

CAS#:123-54-6

Phenol

CAS#:108-95-2

bisphenol A

CAS#:80-05-7

4,4',4"-Ethylid...

CAS#:27955-94-8

Literature: Dhalla, Adil Minoo; Gupta, Raina; Kishan, Gurram; Li, Yongcheng; Ramanarayanan, G.V. Patent: US2006/173222 A1, 2006 ; Location in patent: Page/Page column 5-7 ;

1,1,1-tris(4-me...

CAS#:83425-83-6

4,4',4"-Ethylid...

CAS#:27955-94-8

Literature: O'Krongly, David; Denmeade, Samuel R.; Chiang, Michael Y.; Breslow, Ronald Journal of the American Chemical Society, 1985 , vol. 107, # 19 p. 5544 - 5545

4,4',4''-TRIMET...

CAS#:3010-81-9

4,4',4"-Ethylid...

CAS#:27955-94-8

Literature: O'Krongly, David; Denmeade, Samuel R.; Chiang, Michael Y.; Breslow, Ronald Journal of the American Chemical Society, 1985 , vol. 107, # 19 p. 5544 - 5545

bisphenol A

CAS#:80-05-7

Phenol

CAS#:108-95-2

~59%

4,4',4"-Ethylid...

CAS#:27955-94-8

Literature: Dhalla, Adil Minoo; Gupta, Raina; Kishan, Gurram; Li, Yongcheng; Ramanarayanan, G.V. Patent: US2006/173222 A1, 2006 ; Location in patent: Page/Page column 6 ;

2,4-Pentandione

CAS#:123-54-6

Phenol

CAS#:108-95-2

~34%

4,4',4"-Ethylid...

CAS#:27955-94-8

4-hydroxypent-3...

CAS#:26567-75-9

Phenol

CAS#:108-95-2

bisphenol A

CAS#:80-05-7

4,4',4"-Ethylid...

CAS#:27955-94-8

Literature: Nowakowska, Ewa; Daszkiewicz, Zdzislaw; Kyziol, Janusz B. Tetrahedron Letters, 1998 , vol. 39, # 5-6 p. 451 - 454

ethane-1,1,1-tr...

CAS#:1182705-81-2

ethane-1,1,1-tr...

CAS#:1182705-80-1

4,4',4"-Ethylid...

CAS#:27955-94-8

Literature: Hunter, Christopher A.; Ihekwaba, Ndidi; Misuraca, Maria Cristina; Segarra-Maset, Maria Dolores; Turega, Simon M. Chemical Communications, 2009 , # 26 p. 3964 - 3966

Precursor 7
CAS#:99-93-4 4-Hydroxyacetop... CAS#:108-95-2 Phenol CAS#:123-54-6 2,4-Pentandione CAS#:83425-83-6 1,1,1-tris(4-me...
CAS#:3010-81-9 4,4',4''-TRIMET... CAS#:80-05-7 bisphenol A CAS#:26567-75-9 4-hydroxypent-3...
DownStream 1
CAS#:160510-06-5 1-[1,1-bis[4-(4...

HS Code	2907199090
Summary	2907199090 other monophenols VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%

Structure-based discovery of triphenylmethane derivatives as inhibitors of hepatitis C virus helicase.

J. Med. Chem. 52 , 2716-23, (2009)

Hepatitis C virus nonstructural protein 3 (HCV NS3) helicase is believed to be essential for viral replication and has become an attractive target for the development of antiviral drugs. A fluorescenc...

MFCD00012180

Phenol, 4,4',4''-ethylidynetris-

1,1,1-tri-(4-hydroxy-phenyl)-ethane

4,4',4''-(ethane-1,1,1-triyl)triphenol

4,4',4''-Ethane-1,1,1-triyltriphenol

tris(p-hydroxyphenyl)ethane

4,4',4"-(Ethylidene)trisphenol

Tris(4-hydroxyphenyl)ethane

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

4,4',4''-Ethylidynetrisphenol

EINECS 405-800-7

Phenol,4,4',4''-ethylidynetris

4,4',4"-Ethylidynetriphenol

4,4',4''-(1,1,1-Ethanetriyl)triphenol

QR DX1&R DQ&R D1

1,1,1-Tris(4-Hydroxyphenyl)Ethane

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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 4,4',4"-Ethylidynetriphenol
Price: Check
Purity: 98.0%
Delivery: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 4,4',4"-Ethylidynetriphenol
Price: ￥518.0/100g ￥178.0/25g
Purity: 98.0%
Delivery: 2 Day
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 1,1,1-Tris(4-hydroxyphenyl)ethane
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Delivery: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Henan Tianfu Chemical Co., Ltd.
China
Product Name: 1,1,1-Tris(4-hydroxyphenyl)ethane
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Delivery: Inquiry
Contact: Anson
Email: info@tianfuchem.com

Zhongshan Xingrui Chemical Co. , Ltd.
China
Product Name: 4,4',4"-Ethylidynetriphenol
Price: ￥Inquiry/25kg
Purity: 98.0%
Delivery: Inquiry
Contact: Wang Jie
Email: 3096638339@qq.com

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4,4',4"-Ethylidynetriphenol

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CHEMICAL IDENTIFICATION

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ACUTE TOXICITY DATA

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