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7526-26-3

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Basic Information
CAS No.: 7526-26-3
Name: DIPHENYL METHYLPHOSPHONATE
Article Data: 42
Molecular Structure:
Molecular Structure of 7526-26-3 (DIPHENYL METHYLPHOSPHONATE)
Formula: C13H13 O3 P
Molecular Weight: 248.218
Synonyms: Phosphonicacid, methyl-, diphenyl ester (6CI,7CI,8CI,9CI); Diphenyl methanephosphonate;Diphenyl methylphosphonate
EINECS: 231-388-1
Density: 1.21 g/mL at 25 °C(lit.)
Melting Point: 32.5-37.5 °C(lit.)
Boiling Point: 344.3 °C at 760 mmHg
Flash Point: 230 °F
Solubility: 1.56g/L at 20℃
Hazard Symbols: A poison by ingestion.
Safety: A poison by ingestion. When heated to decomposition it emits toxic vapors of POx.
PSA: 45.34000
LogP: 3.96730
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Chemistry

The IUPAC name of Phosphonic acid, P-methyl-, diphenyl ester (CAS NO.7526-26-3):
[Methyl(phenoxy)phosphoryl]oxybenzene
Synonyms: Methyl-phosphonicacidiphenylester ; Phosphonicacid , Methyl-,diphenylester ; Diphenyl methylphosphonate; Methylphosphonic acid diphenyl ester ; Diphenyl methylphosphonate 96% ; Methanephosphonicaciddiphenylester
CAS: 7526-26-3 
EINECS: 231-388-1
Molecular Formula: C13H13O3P 
Molecular Structure:

Formula Weight: 248.21 g/mol
Index of Refraction: 1.554 
Density: 1.205 g/cm3 
Flash Point: 175.8 °C 
7. Melting point:32.5-37.5 °C(lit.)
Boiling Point: 344.3 °C at 760 mmHg
 

Toxicity Data With Reference

The toxicity of Phosphonic acid, P-methyl-, diphenyl ester (CAS NO.7526-26-3):

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
rat LD50 oral 233mg/kg (233mg/kg) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

SKIN AND APPENDAGES (SKIN): HAIR: OTHER		 International Journal of Toxicology. Vol. 19, Pg. 347, 2000.

Safety Profile

The safety information of Phosphonic acid, P-methyl-, diphenyl ester (CAS NO.7526-26-3):
A poison by ingestion. When heated to decomposition it emits toxic vapors of POx.