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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Urea,N,N''-1,4-butanediylbis[N-nitroso- (9CI)
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Purity: 98.0%
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27640-20-6

27640-20-6 structure

27640-20-6 structure

Name: Urea,N,N''-1,4-butanediylbis[N-nitroso- (9CI)
Chemical Name: 1-[4-[carbamoyl(nitroso)amino]butyl]-1-nitrosourea
CAS Number: 27640-20-6
Molecular Formula: C₆H₁₂N₆O₄
Molecular Weight: 232.19700
Create Date: 2016-02-15 20:58:05
Modify Date: 2025-10-12 10:42:30

Name	1-[4-[carbamoyl(nitroso)amino]butyl]-1-nitrosourea
Synonyms	Urea,1,1'-dinitroso-1,1'-tetramethylenedi N,N'-Tetramethylen-bis-<N-nitroso-harnstoff> N,N''-dinitroso-N,N''-butanediyl-di-urea N,N''-Dinitroso-N,N''-butandiyl-di-harnstoff N-Carbamyl-N-nitrosotetramethylenediamine

Density	1.62g/cm3
Boiling Point	411.1ºC at 760mmHg
Molecular Formula	C₆H₁₂N₆O₄
Molecular Weight	232.19700
Flash Point	202.4ºC
Exact Mass	232.09200
PSA	151.52000
LogP	1.29140
Vapour Pressure	5.72E-07mmHg at 25°C
Index of Refraction	1.639

CHEMICAL IDENTIFICATION

RTECS NUMBER :: YU2660000

CHEMICAL NAME :: Urea, 1,1'-tetramethylenebis(1-nitroso-

CAS REGISTRY NUMBER :: 27640-20-6

BEILSTEIN REFERENCE NO. :: 1802529

LAST UPDATED :: 199712

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C6-H12-N6-O4

MOLECULAR WEIGHT :: 232.24

WISWESSER LINE NOTATION :: ONMVM4MVMNO

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 75 mg/kg

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

REFERENCE :: VOONAW Voprosy Onkologii. Problems of Oncology. For English translation, see PONCAU. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-10, 1928-37; V.1- 1955- Volume(issue)/page/year: 22(10),72,1976 ** OTHER MULTIPLE DOSE TOXICITY DATA **

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 125 mg/kg/5D-I

TOXIC EFFECTS :: Related to Chronic Data - death

REFERENCE :: VOONAW Voprosy Onkologii. Problems of Oncology. For English translation, see PONCAU. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-10, 1928-37; V.1- 1955- Volume(issue)/page/year: 22(10),72,1976

53497-44-2 structure

53497-44-2

~%

27640-20-6 structure

27640-20-6

Literature: Lieser; Beck Chemische Berichte, 1950 , vol. 83, p. 137,139

Precursor 1
53497-44-2
DownStream 0

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