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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 1-methyl-1-[(5-nitro-2-furyl)methylideneamino]urea
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6281-25-0

6281-25-0 structure

6281-25-0 structure

Name: 1-methyl-1-[(5-nitro-2-furyl)methylideneamino]urea
Chemical Name: 1-methyl-1-[(5-nitrofuran-2-yl)methylideneamino]urea
CAS Number: 6281-25-0
Molecular Formula: C₇H₈N₄O₄
Molecular Weight: 212.16300
Create Date: 2016-08-09 05:07:43
Modify Date: 2025-09-18 11:21:19

Name	1-methyl-1-[(5-nitrofuran-2-yl)methylideneamino]urea
Synonyms	5-Nitro-2-furaldehyde 2-ethylsemicarbazone NIFURSEMIZONE 5-nitro-furfural-(2-ethyl semicarbazone) Etafurazone Hydrazinecarboxamide,1-ethyl-2-[(5-nitro-2-furanyl)methylene] Nifursemizonum 5-nitro-furfural-(2-methyl semicarbazone) 5-Nitro-furfural-(2-aethyl-semicarbazon) 5-Nitro-furfural-(2-methyl-semicarbazon) Nifursemizona

Density	1.544g/cm3
Boiling Point	369.467ºC at 760 mmHg
Molecular Formula	C₇H₈N₄O₄
Molecular Weight	212.16300
Flash Point	177.248ºC
Exact Mass	212.05500
PSA	117.65000
LogP	1.75570
Index of Refraction	1.63

CHEMICAL IDENTIFICATION

RTECS NUMBER :: LT7487000

CHEMICAL NAME :: 2-Furaldehyde, 5-nitro-, 2-methylsemicarbazone

CAS REGISTRY NUMBER :: 6281-25-0

BEILSTEIN REFERENCE NO. :: 0232904

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C7-H8-N4-O4

MOLECULAR WEIGHT :: 212.19

WISWESSER LINE NOTATION :: T5OJ BNW E1UNN1&V2

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 :: 500 mg/kg

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

REFERENCE :: JAPMA8 Journal of the American Pharmaceutical Association, Scientific Edition. (Washington, DC) V.29-49, 1940-60. For publisher information, see JPMSAE. Volume(issue)/page/year: 39,313,1950

698-63-5 structure

698-63-5

22718-48-5 structure

22718-48-5

~%

6281-25-0 structure

6281-25-0

Literature: Eaton Labor. Inc. Patent: US2416234 , 1945 ;

Precursor 2
698-63-5 22718-48-5
DownStream 0

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