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

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

2129-89-7

2129-89-7 structure

2129-89-7 structure

Name: methyldiphenylphosphine oxide
Chemical Name: [methyl(phenyl)phosphoryl]benzene
CAS Number: 2129-89-7
Molecular Formula: C₁₃H₁₃OP
Molecular Weight: 216.21500
Catalog: Organic raw materials Organic phosphine compound
Create Date: 2018-08-22 19:10:18
Modify Date: 2025-08-25 16:28:13

Name	[methyl(phenyl)phosphoryl]benzene
Synonyms	Phosphine oxide,methyldiphenyl Phosphine oxide,diphenylmethyl MFCD00002081 methyl(diphenyl)phosphane oxide Diphenylmethylphosphine oxide Methyldiphenylphosphine oxide Methyl(diphenyl)phosphine Oxide EINECS 218-346-8 (methyl-phenylphosphoryl)benzene Diphenylmethylphosphine oxide Methyldiphenyloxophosphine

Density	1.12g/cm3
Boiling Point	180 °C / 1mmHg
Melting Point	111-115 °C(lit.)
Molecular Formula	C₁₃H₁₃OP
Molecular Weight	216.21500
Flash Point	140ºC
Exact Mass	216.07000
PSA	26.88000
LogP	2.63030
Vapour Pressure	0.00127mmHg at 25°C
Index of Refraction	1.565

CHEMICAL IDENTIFICATION

RTECS NUMBER :: SZ0199480

CHEMICAL NAME :: Phosphine oxide, diphenylmethyl-

CAS REGISTRY NUMBER :: 2129-89-7

BEILSTEIN REFERENCE NO. :: 0957291

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C13-H13-O-P

MOLECULAR WEIGHT :: 216.23

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 :: 840 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-H312-H315-H319-H332-H335
Precautionary Statements	P261-P280-P305 + P351 + P338
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes	Xn: Harmful;
Risk Phrases	R22
Safety Phrases	S26-S37/39
RIDADR	NONH for all modes of transport
WGK Germany	3
RTECS	SZ0199480
HS Code	2902909090

Precursor 10
4020-99-9 4559-70-0 74-88-4 591-50-4
19315-13-0 2065-66-9 1486-28-8 1831-63-6
59983-62-9 611-74-5
DownStream 10
14580-99-5 4141-48-4 4271-13-0 20684-76-8
21955-55-5 1831-63-6 1153-05-5 1486-28-8
1017-88-5 35078-75-2

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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