Le Carbohydrazide

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Product details

Carbohydrazide is used as a passivating agent for metals, particularly in applications where corrosion resistance is essential. Here's how it works and its typical uses:

1. Mechanism of Action:

- Carbohydrazide forms a protective film on the metal surface by chemically reacting with metal ions.

- This film acts as a barrier between the metal and the corrosive environment.

- It reduces the rate of corrosion by inhibiting electrochemical reactions at the metal surface.

2. Common Applications:

- Boiler water treatment: To prevent corrosion in high-pressure steam systems.

- Cooling water systems: To protect against corrosion in heat exchangers and cooling towers.

- Metalworking fluids: As an additive to inhibit rust and corrosion in machining processes.

- Paints and coatings: As a corrosion inhibitor in primer formulations.

3. Advantages:

- Effective over a wide pH range

- Can be used in both acidic and alkaline environments

- Forms a stable, adherent film on metal surfaces

- Non-toxic compared to some other corrosion inhibitors

4. Typical Concentrations:

- In boiler water treatment: 0.5 - 2 ppm

- In cooling water systems: 1 - 5 ppm

5. Considerations:

- Should be used carefully, as excessive dosing can lead to deposit formation

- Compatibility with other water treatment chemicals should be considered

- May not be suitable for all metal types or environments

6. Environmental Impact:

- Generally considered more environmentally friendly than some traditional inhibitors

- Biodegradable in many cases

7. Application Methods:

- Usually added to water systems as part of a treatment program

- Can be applied directly to metal surfaces before coating or painting

In summary, carbohydrazide is an effective passivating agent for metals, providing corrosion protection in various industrial applications, particularly in aqueous environments. Its use requires careful consideration of concentration, compatibility, and application method to achieve optimal results.

Specifications:

Items	Specification	Results
Appearance	White Crystalline Powder	White Crystalline Powder
Assay(GC)	98%-100.9%	99.66
Color, APHA(in melted)	20 max	6
PH (12% aqueous)	7.2-9.7	8.45
Melting Point	154℃ Min	157.3-158.4
Turbidity	10NTU Max	0.25
Free Hydrazine	250 ppm Max	186
Chloride	10 ppm Max	<10
Sulphate	20 ppm Max	<20
Silica	10 ppm Max	<10
Copper	1 ppm Max	< 1
Sodium	3 ppm Max	< 3
Water 70℃	0.2% Max	0.19

Features:

CAS Number: 497-18-7

Molecular Formula: CH₆N₄O

Appearance: White Crystalline powder

Melting Point: 163 ℃

Molecular Weight: 90.085

Applications: Carbohydrazide is a derivative of hydrazine and has strong reducing properties. Not only can be used as an intermediate for the production of energetic materials, but also can be directly used as a component of explosives and propellants.It can also be used as a deoxidizer for boiler water and is the most advanced boiler water deoxidizer in the world today.

Assay: 99%, 99.9%

Package: 25kg/bag, 25kg/drum

Storage: Store it in a ventilated, low temperature and dry place

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SHANDONG MINGDE CHEMICAL CO.,LTD.

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2 year

Address: Jinan, China

Main Product: Hydrazine Hydrate, Carbohydrazide, Antioxidant 1010 , Phosphoric Acid, Antioxidant 168, Hydrazine Hydrate 100%

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