ChemicalBook--->CAS DataBase List--->139-94-6

139-94-6

139-94-6 Structure

139-94-6 Structure
IdentificationBack Directory
[Name]

1-ethyl-3-(5-nitrothiazol-2-yl)urea
[CAS]

139-94-6
[Synonyms]

Hepzide
Nithiazide
1-Ethyl-3-(5-nitro-2-thiazolyl)urea
1-ethyl-3-(5-nitrothiazol-2-yl)urea
N-Ethyl-N'-(5-nitro-2-thiazolyl)urea
Urea, N-ethyl-N'-(5-nitro-2-thiazolyl)-
1-ethyl-3-(5-nitro-1,3-thiazol-2-yl)urea
[EINECS(EC#)]

205-387-1
[Molecular Formula]

C6H8N4O3S
[MDL Number]

MFCD01676091
[MOL File]

139-94-6.mol
[Molecular Weight]

216.218
Chemical PropertiesBack Directory
[Melting point ]

228°C (rough estimate)
[density ]

1.478 (estimate)
[refractive index ]

1.6200 (estimate)
[storage temp. ]

-20°C Freezer, Under inert atmosphere
[solubility ]

DMSO (Slightly), Methanol (Slightly)
[form ]

solid
[pka]

7.3(at 25℃)
[color ]

Pale Yellow to Pale Beige
[IARC]

3 (Vol. 31, Sup 7) 1987
[EPA Substance Registry System]

Nithiazide (139-94-6)
Hazard InformationBack Directory
[Uses]

N-Ethyl-N'-(5-nitro-2-thiazolyl)urea maintains therapeutic activity towards treatment of Salmonella typhimurium and B. fragilis infections due to the nitrothiazole moiety within the substructure.
[General Description]

Crystals or brown powder.
[Air & Water Reactions]

Insoluble in water.
[Health Hazard]

ACUTE/CHRONIC HAZARDS: When heated to decomposition 1-ethyl-3-(5-nitrothiazol-2-yl)urea emits toxic fumes.
[Fire Hazard]

Flash point data for 1-ethyl-3-(5-nitrothiazol-2-yl)urea are not available; however, 1-ethyl-3-(5-nitrothiazol-2-yl)urea is probably combustible.
[Definition]

ChEBI: Nithiazide is a C-nitro compound and a member of 1,3-thiazoles.
Safety DataBack Directory
[Safety Profile]

Suspected carcinogen with experimental carcinogenic data. Moderately toxic by ingestion. Mutation data reported. When heated to decomposition it emits very toxic fumes of NOx and POx.
[Hazardous Substances Data]

139-94-6(Hazardous Substances Data)
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