Ethylphosphonic diamide cyclic 4-chloro-o-phenylene ester

Modify Date: 2025-11-22 15:27:09

Ethylphosphonic diamide cyclic 4-chloro-o-phenylene ester Structure
Ethylphosphonic diamide cyclic 4-chloro-o-phenylene ester structure
 Common Name Ethylphosphonic diamide cyclic 4-chloro-o-phenylene ester
CAS Number 73790-34-8 Molecular Weight 216.60500
Density 1.38g/cm3 Boiling Point 334.3ºC at 760 mmHg
Molecular Formula C8H10ClN2OP Melting Point N/A
MSDS N/A Flash Point 156ºC

 Names

Name 5-Chloro-2,3-dihydro-2-ethyl-1H-1,3,2-benzodiazophosphole-2-oxide

 Chemical & Physical Properties

Density 1.38g/cm3
Boiling Point 334.3ºC at 760 mmHg
Molecular Formula C8H10ClN2OP
Molecular Weight 216.60500
Flash Point 156ºC
Exact Mass 216.02200
PSA 50.94000
LogP 3.66640
Index of Refraction 1.59
InChIKey FPWAAIHUIVORGP-UHFFFAOYSA-N
SMILES CCP1(=O)Nc2ccc(Cl)cc2N1

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
TA1525000
CHEMICAL NAME :
Phosphonic diamide, ethyl-, cyclic 4-chloro-o-phenylene ester
CAS REGISTRY NUMBER :
73790-34-8
LAST UPDATED :
198209
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C8-H10-Cl-N2-O-P
MOLECULAR WEIGHT :
216.62
WISWESSER LINE NOTATION :
T56 BMPMJ CO C2 GG

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
56 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#06818
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Chemsrc provides CAS#:73790-34-8 MSDS, density, melting point, boiling point, structure, etc. Its name is Ethylphosphonic diamide cyclic 4-chloro-o-phenylene ester>> amp version: Ethylphosphonic diamide cyclic 4-chloro-o-phenylene ester

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