Semicarbazide

Semicarbazide is an organic compound with the formula NH2CONHNH2. It is a water-soluble white solid. It is a derivative of urea.

Structure and properties

Semicarbazide belongs to the family of semicarbazones and urea. It is a white solid that is slightly soluble in water. In terms of its structure, the molecule can be described as two amino groups (-NH2) flanking a carbonyl group (>C=O).

Preparation

Semicarbazide can be prepared from hydrazine and urea. The reaction involves the dehydration of urea with hydrazine to give semicarbazide.

Uses

Semicarbazide is used primarily in the preparation of semicarbazones and in specialized applications.

Safety

Semicarbazide has low acute toxicity with LD50 (oral, rat) 930 mg/kg.

See also

• Carbazide
• Semicarbazone
• Urea

References

Semicarbazide Resources
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