Phosphonic acid, (2-oxo-3-tetrahydrothienyl)-, dibenzyl ester

Modify Date: 2025-08-25 11:30:28

Phosphonic acid, (2-oxo-3-tetrahydrothienyl)-, dibenzyl ester structure	Common Name	Phosphonic acid, (2-oxo-3-tetrahydrothienyl)-, dibenzyl ester
	CAS Number	73805-83-1	Molecular Weight	377.39400
	Density	1.31g/cm3	Boiling Point	545.4ºC at 760 mmHg
	Molecular Formula	C₁₈H₂₀NO₄PS	Melting Point	N/A
	MSDS	N/A	Flash Point	283.7ºC

Name	3-[bis(phenylmethoxy)phosphorylamino]thiolan-2-one
Synonym	More Synonyms

Density	1.31g/cm3
Boiling Point	545.4ºC at 760 mmHg
Molecular Formula	C₁₈H₂₀NO₄PS
Molecular Weight	377.39400
Flash Point	283.7ºC
Exact Mass	377.08500
PSA	99.74000
LogP	4.54070
Index of Refraction	1.608

CHEMICAL IDENTIFICATION

RTECS NUMBER :: TA0260000

CHEMICAL NAME :: Phosphonic acid, (2-oxo-3-tetrahydrothienyl)-, dibenzyl ester

CAS REGISTRY NUMBER :: 73805-83-1

LAST UPDATED :: 197901

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C18-H20-N-O4-P-S

MOLECULAR WEIGHT :: 377.42

WISWESSER LINE NOTATION :: T5SVTJ CMPO&O1R&O1R

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 :: 100 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#03352

WLN: T5SVTJ CMPO&O1R&O1R

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Product Name: Phosphonic acid, (2-oxo-3-tetrahydrothienyl)-, dibenzyl ester
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