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5853-68-9

5853-68-9 structure

5853-68-9 structure

Name: 2-ethyl-4H-1,3,2λ5-benzodioxaphosphinine 2-oxide
Chemical Name: 2-ethyl-4H-1,3,2λ5-benzodioxaphosphinine 2-oxide
CAS Number: 5853-68-9
Molecular Formula: C₉H₁₁O₃P
Molecular Weight: 198.15600
Create Date: 2016-12-04 03:59:52
Modify Date: 2025-11-28 14:51:38

Name	2-ethyl-4H-1,3,2λ5-benzodioxaphosphinine 2-oxide
Synonyms	Ethylphosphonic acid cyclic methylene-o-phenylene ester 4H-1,3,2-Benzodioxaphosphorin,2-ethyl-,2-oxide 2-ethyl-4H-1,3,2-benzodioxaphosphinine 2-oxide 2-ethyl-4H-1,3,2 Phosphonic acid,ethyl-,cyclic methylene-o-phenylene ester 2-Ethyl-4H-1,3,2-benzodioxaphosphorin-2-oxide

Density	1.24g/cm3
Boiling Point	297.6ºC at 760 mmHg
Molecular Formula	C₉H₁₁O₃P
Molecular Weight	198.15600
Flash Point	147.7ºC
Exact Mass	198.04500
PSA	45.34000
LogP	2.80860
Index of Refraction	1.527

CHEMICAL IDENTIFICATION

RTECS NUMBER :: SZ7915000

CHEMICAL NAME :: Phosphonic acid, ethyl-, cyclic methylene-o-phenylene ester

CAS REGISTRY NUMBER :: 5853-68-9

LAST UPDATED :: 199612

DATA ITEMS CITED :: 3

MOLECULAR FORMULA :: C9-H11-O3-P

MOLECULAR WEIGHT :: 198.17

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 :: 25 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: ABCHA6 Agricultural and Biological Chemistry. (Maruzen Co. Ltd., POB 5050, Tokyo International, Tokyo 100-31, Japan) V.25- 1961- Volume(issue)/page/year: 30,181,1966

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 6 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: BCPCA6 Biochemical Pharmacology. (Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, NY 10523) V.1- 1958- Volume(issue)/page/year: 12,73,1963

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Bird - chicken

DOSE/DURATION :: 1 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: BCPCA6 Biochemical Pharmacology. (Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, NY 10523) V.1- 1958- Volume(issue)/page/year: 12,73,1963

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