Why Carbohydrazide is better substitute of Hydrazine?

Why Carbohydrazide is better substitute of Hydrazine?
Carbohydrazide is used as an oxygen scavenger in water treatment for boilers. It is an alternative to the hazardous and potentially carcinogenic hydrazine. Carbohydrazide reacts with oxygen to make water, nitrogen and urea.

As proper level Carbohydrazide protect metal machinery parts from corrosion.

Carbohydrazide is one of popular an alternative Oxygen Scavenger. It is very important to protect boiler components from feed boiler water corrosion.