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Basic Information
CAS No.: 3426-89-9
Name: PHENYL PHOSPHORODICHLORIDITE
Article Data: 21
Molecular Structure:
Molecular Structure of 3426-89-9 (PHENYL PHOSPHORODICHLORIDITE)
Formula: C6H5 Cl2 O P
Molecular Weight: 194.985
Synonyms: Phenylphosphorodichloridite (6CI,7CI); Dichlorophenoxyphosphine; Phenoxyphosphorusdichloride; Phenyl dichlorophosphite
Density: 1.359
Boiling Point: 99 °C (12 mmHg)
Flash Point: 87.5°C
Hazard Symbols:
Risk Codes: 34-23-22
Safety: A poison by intravenous route. When heated to decomposition it emits toxic vapors of POx and Cl−.
PSA: 22.82000
LogP: 3.76990
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Chemistry

IUPAC Name: dichloro(phenoxy)phosphane
Synonyms of Phosphorodichloridous acid, phenyl ester (CAS NO.3426-89-9): 4-06-00-00701 (Beilstein Handbook Reference) ; BRN 1866404 ; Dichlorophenoxyphosphine ; EINECS 222-330-6 ; Phenoxyphosphorus dichloride ; Phenyl dichlorophosphite ; Phenyl phosphorodichloridite
CAS NO: 3426-89-9     
Molecular Formula of Phosphorodichloridous acid, phenyl ester (CAS NO.3426-89-9): C6H5Cl2OP 
Molecular Weight: 194.9831                     
H bond acceptors: 1
H bond donors: 0
Freely Rotating Bonds: 2
Polar Surface Area: 22.82 Å2 
Flash Point: 87.5 °C E
nthalpy of Vaporization: 43.89 kJ/mol
Boiling Point: 221 °C at 760 mmHg V
apour Pressure: 0.162 mmHg at 25°C
Molecular Structure:

Uses

 Phosphorodichloridous acid, phenyl ester (CAS NO.3426-89-9) is used as corrosive materials.

Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intravenous 100mg/kg (100mg/kg)   U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. Vol. NX#05836,
rat LC50 inhalation > 2080mg/m3/1H (2080mg/m3) LUNGS, THORAX, OR RESPIRATION: DYSPNEA National Technical Information Service. Vol. OTS0543839,
rat LD50 oral 681mg/kg (681mg/kg)   National Technical Information Service. Vol. OTS0543839,

Consensus Reports

Reported in EPA TSCA Inventory.

Safety Profile

Hazard Codes: ToxicT
Risk Statements: 34-23-22 
R34: Causes burns. 
R23: Toxic by inhalation. 
R22: Harmful if swallowed.
Safety Statements: 45-38-36/37/39-28-26 
S45: In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) 
S38: In case of insufficient ventilation, wear suitable respiratory equipment. 
S36/37/39: Wear suitable protective clothing, gloves and eye/face protection. 
S28: After contact with skin, wash immediately with plenty of soap-suds. 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
A poison by intravenous route. When heated to decomposition it emits toxic vapors of POx and Cl−.