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4381-07-1

4381-07-1 structure

4381-07-1 structure

Name: 1-amino-3-(carbamoylamino)urea
Chemical Name: 1-amino-3-(carbamoylamino)urea
CAS Number: 4381-07-1
Molecular Formula: C₂H₇N₅O₂
Molecular Weight: 133.10900
Create Date: 2017-09-19 18:29:20
Modify Date: 2025-09-16 13:44:51

Name	1-amino-3-(carbamoylamino)urea
Synonyms	hydrazine-N,N'-dicarboxylic acid amide-hydrazide Biurea,1-amino Carbohydrazide-N-carboxamide 1-Carbamoyl-carbohydrazid 1-Aminobiurea 1-Aminoformyl-carbohydrazid Hydrazin-N,N'-dicarbonsaeure-amid-hydrazid

Density	1.485g/cm3
Molecular Formula	C₂H₇N₅O₂
Molecular Weight	133.10900
Exact Mass	133.06000
PSA	122.27000
LogP	0.31590
Index of Refraction	1.566

CHEMICAL IDENTIFICATION

RTECS NUMBER :: EC1440000

CHEMICAL NAME :: Biurea, 1-amino-

CAS REGISTRY NUMBER :: 4381-07-1

BEILSTEIN REFERENCE NO. :: 1773975

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C2-H7-N5-O2

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 :: 320 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#00988

HS Code	2928000090

590-28-3 structure

590-28-3

497-18-7 structure

497-18-7

~%

4381-07-1 structure

4381-07-1

Literature: Pellizzari; Roncagliolo Gazzetta Chimica Italiana, 1907 , vol. 37 I, p. 440,441

506-68-3 structure

506-68-3

~%

4381-07-1 structure

4381-07-1

Literature: Gehlen,H.; Dase,G. Justus Liebigs Annalen der Chemie, 1961 , vol. 646, p. 78 - 81

Precursor 3
590-28-3 497-18-7 506-68-3
DownStream 2
21531-96-4 4468-90-0

HS Code	2928000090
Summary	2928000090 other organic derivatives of hydrazine or of hydroxylamine VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:20.0%

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