Semi-carbazide

Semi-carbazide
Identification information
CAS registration number	57-56-7
SMILES NC(NN)=O
Characteristic
Chemical formula	H2NNHC(=O)NH2
Molar mass	75.08 g/mol
Melting point	96 degrees Celsius
I can put a case, the data without the special mention for normal temperature (25 degrees Celsius), the ordinary pressure (100 kPa).

The semi-carbazide (British: Semicarbazide) is a derivative of the urea and is formed when one NH₂ of the urea is replaced with a hydrazino group (-NHNH₂).

The semi-carbazide is used as a color development reagent of the thin layer chromatography (TLC). I can see a result under ultraviolet irradiation when it sprays semi-carbazide on the α-keto acid on the TLC plate.

The thiocicada carbazide is the analog that an oxygen atom of the semi-carbazide was replaced by a sulfur atom.

• 

  Urea

• 

  Hydrazine

• 

  Thiocicada carbazide

Reaction

Semi-carbazone (English version) is provided when I react it with carbonyl compounds.

Allied item

• Semi-carbazone
• Carbazone
• Carbazide
• Anticancer agent
• en:Semicarbazide-cadmium therapy

Outside link

• Compounds Containing a N-CO-N-N or More Complex Group (English)

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This article is taken from the Japanese Wikipedia Semi-carbazide

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