Triphenylphosphine oxide

Modify Date: 2025-08-21 11:35:49

Triphenylphosphine oxide structure	Common Name	Triphenylphosphine oxide
	CAS Number	791-28-6	Molecular Weight	278.285
	Density	1.2±0.1 g/cm3	Boiling Point	462.9±18.0 °C at 760 mmHg
	Molecular Formula	C₁₈H₁₅OP	Melting Point	150-157 °C(lit.)
	MSDS	Chinese USA	Flash Point	233.8±21.2 °C
	Symbol	GHS07	Signal Word	Warning

Name	triphenylphosphane oxide
Synonym	More Synonyms

Density	1.2±0.1 g/cm3
Boiling Point	462.9±18.0 °C at 760 mmHg
Melting Point	150-157 °C(lit.)
Molecular Formula	C₁₈H₁₅OP
Molecular Weight	278.285
Flash Point	233.8±21.2 °C
Exact Mass	278.086060
PSA	26.88000
LogP	2.87
Vapour Pressure	0.0±1.1 mmHg at 25°C
Index of Refraction	1.619
Storage condition	Store at RT.
Water Solubility	slightly soluble

Triphenylphosphine oxide MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: SZ1676000

CHEMICAL NAME :: Phosphine oxide, triphenyl-

CAS REGISTRY NUMBER :: 791-28-6

LAST UPDATED :: 199710

DATA ITEMS CITED :: 7

MOLECULAR FORMULA :: C18-H15-O-P

MOLECULAR WEIGHT :: 278.30

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 1380 mg/kg

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

REFERENCE :: KHFZAN Khimiko-Farmatsevticheskii Zhurnal. Chemical Pharmaceutical Journal. For English translation, see PCJOAU. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1967- Volume(issue)/page/year: 24(4),22,1990

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Mammal - dog

DOSE/DURATION :: 500 mg/kg

TOXIC EFFECTS :: Behavioral - convulsions or effect on seizure threshold Behavioral - aggression Lungs, Thorax, or Respiration - dyspnea

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0570648

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Bird - chicken

DOSE/DURATION :: >5 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: OTS0570648 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X9397 No. of Facilities: 96 (estimated) No. of Industries: 2 No. of Occupations: 3 No. of Employees: 2100 (estimated) No. of Female Employees: 17 (estimated)

Symbol	GHS07
Signal Word	Warning
Hazard Statements	H302-H315-H319-H335-H412
Precautionary Statements	P261-P273-P305 + P351 + P338
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes	Xn:Harmful
Risk Phrases	R22;R52/53
Safety Phrases	S26-S61
RIDADR	UN 3077 9/PG 3
WGK Germany	2
RTECS	SZ1676000
Packaging Group	I; II; III
Hazard Class	6.1
HS Code	29310095

Precursor 10
CAS#:2526-64-9 dichlorotriphen... CAS#:108-86-1 Bromobenzene CAS#:4559-70-0 Diphenylphosphi... CAS#:875781-17-2 5-Bromo-1H-pyra...
CAS#:723281-55-8 [3-(4-Morpholin... CAS#:719-80-2 Ethyl diphenylp... CAS#:88284-48-4 2-trimethylsily... CAS#:613-45-6 2,4-dimethoxybe...
CAS#:452296-51-4 (Z)-3-(4-bromop... CAS#:197959-80-1 3-(5-bromo-2-me...
DownStream 9
CAS#:1056-25-3 N-(triphenyl-λ5... CAS#:4559-70-0 Diphenylphosphi... CAS#:603-35-0 Triphenylphosphine CAS#:829-85-6 Diphenylphosphine
CAS#:45586-50-3 oxo(phenyl)phosphane CAS#:71-43-2 benzene CAS#:945-51-7 Sulfinyldibenzene CAS#:77096-69-6 2-methyldibenzo...
CAS#:6840-28-4 diphenyl(p-toly...

HS Code	29310095

Toward prediction of alkane/water partition coefficients.

J. Med. Chem. 51 , 3720-30, (2008)

Partition coefficients were measured for 47 compounds in the hexadecane/water ( P hxd) and 1-octanol/water ( P oct) systems. Some types of hydrogen bond acceptor presented by these compounds to the pa...

Mechanism of lipid peroxidation in cancer cells in response to gamma-linolenic acid (GLA) analyzed by GC-MS(I): Conjugated dienes with peroxyl (or hydroperoxyl) groups and cell-killing effects.

Anticancer Res. 13(1) , 193-9, (1993)

We have investigated the nature of lipid peroxidation occurring in association with cancer-killing produced by gamma-linolenic acid (GLA) and iron (Fe) in cultured human breast cancer cells (ZR-75-1: ...

Solubilization of triphenylamine, triphenylphosphine, triphenylphosphineoxide and triphenylmethanol in single and binary surfactant systems.

J. Colloid. Interface Sci. 364(1) , 163-9, (2011)

Solubilization and co-solubilization of triphenyls (TPs) viz., triphenylphosphine (TPP), triphenylphosphineoxide (TPPO), triphenylamine (TPA) and triphenylmethanol (TPM) were studied in various single...

Triphenylphosphine oxid

Triphenylphosphinoxid

Triphenylphosphan-oxid

Triphenylphosphine oxide

triphenyl-phosphineoxid

EINECS 212-338-8

Phosphorane, triphenyl-, oxide

triphenylphosphorusoxide

Ph3P=O

Triphenylphosphoniumolate

TPO

phosphorus(1+), hydroxytriphenyl-, inner salt

MFCD00002080

Triphenylphosphanoxid

AURORA KA-1603

Triphenylphosphineoxide

TPPO

(C6H5)3P=O

Triphenylphosphanoxide

Triphenyl Phosphine Oxide

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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Triphenylphosphine oxide
Price: Check
Purity: 98.0%
Delivery: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: Triphenylphosphine oxide
Price: ￥348.0/500g ￥108.0/100g
Purity: 98.0%
Delivery: Inquiry
Contact: Liu jia
Email: 2130147988@qq.com

DC Chemicals Limited
China
Product Name: Triphenylphosphine oxide
Price: ￥Inquiry/100mg ￥Inquiry/250mg ￥Inquiry/1g
Purity: 98.0%
Delivery: 10 Day
Contact: Tony Cao
Email: sales@dcchemicals.com

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

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Triphenylphosphine oxide

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