Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Phosphine oxide,diphenyl(phenylmethyl)-
Price: Check
Purity: 95.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

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

Zhongshan Xingrui Chemical Co. , Ltd.
China
Product Name: Phosphine oxide,diphenyl(phenylmethyl)-
Price: ￥Inquiry/1kg ￥Inquiry/25kg ￥Inquiry/200kg
Purity: 98.0%
Stocking Period: 3 Day
Contact: Wang Jie
Email: 3096638339@qq.com

2959-74-2

2959-74-2 structure

2959-74-2 structure

Name: Phosphine oxide,diphenyl(phenylmethyl)-
Chemical Name: diphenylphosphorylmethylbenzene
CAS Number: 2959-74-2
Molecular Formula: C₁₉H₁₇OP
Molecular Weight: 292.31100
Create Date: 2016-11-21 17:05:37
Modify Date: 2025-08-25 08:08:25

Name	diphenylphosphorylmethylbenzene
Synonyms	benzylbisphenylphosphine oxide Phosphine oxide,diphenyl(phenylmethyl) Diphenyl(phenylmethyl)phosphine oxide Phosphine oxide,benzyldiphenyl Phosphine oxide,benzyldiphenyl-(6CI,7CI,8CI) benzyl-diphenyl-phosphate oxygen P-benzyldiphenylphosphonium oxide Diphenylbenzylphosphine oxide Benzyldiphenylphosphine oxide

Density	1.15g/cm3
Boiling Point	423ºC at 760mmHg
Molecular Formula	C₁₉H₁₇OP
Molecular Weight	292.31100
Flash Point	209.6ºC
Exact Mass	292.10200
PSA	26.88000
LogP	4.20070
Vapour Pressure	5.67E-07mmHg at 25°C
Index of Refraction	1.61
Storage condition	2-8°C

CHEMICAL IDENTIFICATION

RTECS NUMBER :: SZ0245000

CHEMICAL NAME :: Phosphine oxide, diphenyl(phenylmethyl)-

CAS REGISTRY NUMBER :: 2959-74-2

BEILSTEIN REFERENCE NO. :: 2809334

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C19-H17-O-P

MOLECULAR WEIGHT :: 292.33

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 :: >2 gm/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

Precursor 9
100-44-7 4559-70-0 1079-66-9 53772-44-4
1666-17-7 719-80-2 100-39-0 15475-27-1
7751-69-1
DownStream 10
4714-21-0 873-66-5 766-90-5 833-81-8
1707-03-5 56253-64-6 58-72-0 80359-62-2
108-91-8 13689-20-8

The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.