Shanghai Nianxing Industrial Co., Ltd
China
Product Name: diphenylethylphosphine oxide
Price: Check
Purity: 97.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

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

Shanghai Amole Biotechnology Co., Ltd.
China
Product Name: diphenylethylphosphine oxide
Price: ￥Inquiry/100mg ￥Inquiry/10g ￥Inquiry/1g ￥Inquiry/250mg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Xiyao Wang
Email: 3623107365@qq.com

1733-57-9

1733-57-9 structure

1733-57-9 structure

Name: diphenylethylphosphine oxide
Chemical Name: [ethyl(phenyl)phosphoryl]benzene
CAS Number: 1733-57-9
Molecular Formula: C₁₄H₁₅OP
Molecular Weight: 230.24200
Catalog: Organic raw materials Organic phosphine compound
Create Date: 2018-08-07 12:36:08
Modify Date: 2025-09-19 13:18:59

Name	[ethyl(phenyl)phosphoryl]benzene
Synonyms	EINECS 217-068-4 ETHYLDIPHENYLPHOSPHINITE ethyldiphenylphosphane oxide MFCD00013912 Phosphine oxide,ethyldiphenyl Diphenylphosphinoethane monoxide Phosphine oxide,diphenylethyl

Density	1,064 g/cm3
Boiling Point	179-180°C 14mm
Melting Point	120-125 °C(lit.)
Molecular Formula	C₁₄H₁₅OP
Molecular Weight	230.24200
Flash Point	>110°C
Exact Mass	230.08600
PSA	26.88000
LogP	3.02040
Vapour Pressure	0.000483mmHg at 25°C
Index of Refraction	1.558

CHEMICAL IDENTIFICATION

RTECS NUMBER :: SZ0199240

CHEMICAL NAME :: Phosphine oxide, diphenylethyl-

CAS REGISTRY NUMBER :: 1733-57-9

BEILSTEIN REFERENCE NO. :: 0910291

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C14-H15-O-P

MOLECULAR WEIGHT :: 230.26

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 :: 1640 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

Symbol	GHS07
Signal Word	Warning
Hazard Statements	H302-H315-H319-H335
Precautionary Statements	P261-P305 + P351 + P338
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes	Xn: Harmful;
Risk Phrases	R22
Safety Phrases	S26
RIDADR	3278
WGK Germany	3
RTECS	SZ0199240
HS Code	2902909090

HS Code	2902909090
Summary	2902909090 other aromatic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

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