(4-arsorosophenyl)urea

Modify Date: 2025-08-27 09:52:33

(4-arsorosophenyl)urea Structure
(4-arsorosophenyl)urea structure
Common Name (4-arsorosophenyl)urea
CAS Number 2490-89-3 Molecular Weight 227.07200
Density N/A Boiling Point N/A
Molecular Formula C7H8AsN2O2 Melting Point N/A
MSDS N/A Flash Point N/A

 Names

Name (4-arsorosophenyl)urea
Synonym More Synonyms

 Chemical & Physical Properties

Molecular Formula C7H8AsN2O2
Molecular Weight 227.07200
Exact Mass 226.98000
PSA 72.19000
LogP 0.73800

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
CG9200000
CHEMICAL NAME :
Arsine, 4-carbamidophenyloxo-
CAS REGISTRY NUMBER :
2490-89-3
LAST UPDATED :
199503
DATA ITEMS CITED :
11
MOLECULAR FORMULA :
C7-H7-As-N2-O2
MOLECULAR WEIGHT :
226.08
WISWESSER LINE NOTATION :
ZVR DO-AS-HH

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration into the eye
SPECIES OBSERVED :
Rodent - rabbit
REFERENCE :
JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10- Volume(issue)/page/year: 82,377,1944 ** ACUTE TOXICITY DATA **
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
510 mg/kg
TOXIC EFFECTS :
Gastrointestinal - other changes Blood - hemorrhage
REFERENCE :
FEPRA7 Federation Proceedings, Federation of American Societies for Experimental Biology. (Bethesda, MD) V.1-46, 1942-87. Volume(issue)/page/year: 5,162,1946
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
55 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10- Volume(issue)/page/year: 91,112,1947
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
17 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10- Volume(issue)/page/year: 91,112,1947
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
59 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10- Volume(issue)/page/year: 91,112,1947
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
41 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10- Volume(issue)/page/year: 91,112,1947
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
11700 ug/kg
TOXIC EFFECTS :
Toxic effects not yet reviewed
REFERENCE :
JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10- Volume(issue)/page/year: 81,142,1944 *** U.S. STANDARDS AND REGULATIONS *** OSHA PEL (Gen Indu):8H TWA 0.5 mg(As)/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1910.1000,1994 OSHA PEL (Construc):8H TWA 0.5 mg(As)/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1926.55,1994 OSHA PEL (Shipyard):8H TWA 0.5 mg(As)/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1915.1000,1993 OSHA PEL (Fed Cont):8H TWA 0.5 mg(As)/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 41,50-204.50,1994

 Synonyms

1-(p-Arsenosophenyl)urea
p-Carbamidophenyl arsenous oxide
1-[4-(oxoarsanyl)phenyl]urea
1-(p-Arsenophenyl)urea
Urea,1-(p-arsenosophenyl)
Urea,(p-arsenosophenyl)
p-Carbamidophenyl arsenous acid
Carbarsone oxide
Arsine,4-carbamidophenyloxo
Chemotherapy center No. 606
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