Carbohydrazide
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Carbohydrazide
Carbohydrazide is highly soluble in water with endothermic dissolution, and insoluble in alcohols, ethers, and benzene. As a derivative of hydrazine, it exhibits strong reducibility, is non-hygroscopic, non-toxic, and can serve as a substitute for hydrazine hydrate and oximes. Carbohydrazide is widely used, primarily as a deoxidizer in boiler water systems.
Product Parameters
Item | Specification |
Appearance | White fine short columnar crystals or white crystalline powder |
Chemical Name | Carbohydrazide, Carbazide, 1,3-Diaminourea |
Content (%) | 98 |
Melting Point (°C) | 153-154 |
Free Hydrazine (mg/L) | ≤250 |
pH (1% aqueous solution) | 7.4 |
Safety Protection: This product can form explosive diazides when reacting with nitrous acid; decomposes upon heating to produce toxic nitrogen oxide gases and may explode. Store in a ventilated, low-temperature, dry area, separate from strong acids and strong oxidizing agents. Friendly Reminder: For specific product performance and dosage recommendations, please consult our technical staff! | |
Usage Method: When used as a boiler deoxidizer, carbohydrazide can be added directly to water or applied as an aqueous solution. The dosage is 0.5 mol carbohydrazide per 1 mol O?, with an appropriate excess. The applicable temperature range is 87.8–176.7°C. Application should occur after thermal deaeration.
Application Fields
Carbohydrazide has broad industrial applications:
● Water Treatment: Used as a deoxidizer in boiler water, offering low toxicity, high melting point, and excellent deoxygenation efficiency. It is a widely used, safe, and environmentally friendly product.
● Textile Industry: Functions as a cross-linking agent for elastic fibers, a formaldehyde scavenger, and an antioxidant for pigments such as carotene.
● Soap Stabilizer: In soaps containing phenolic bactericides, adding an appropriate amount of carbohydrazide helps prevent discoloration and rancidity.
● Antioxidant for rubber, passivating agent for metals.
● Can be used as an intermediate in energetic materials or directly as a component in rocket propellants and explosives.
● As a chemical raw material and intermediate, it is widely used in pharmaceuticals, herbicides, plant growth regulators, dyes, and other industries.
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