hydrazine hydrate hs code
hydrazine hydrate hs code

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hydrazine hydrate hs code

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Basic Info

Model No. Hydrazine Hydrate 100%
Brand Name MINGDE
place of origin China
Types of Agrochemical Intermediates, Dyestuff Intermediates, Pharmaceutical Intermediates, Syntheses Material Intermediates
Liquid Colorless liquid
Appearance Industrial Grade
Medical Grade Intermediate

Product description

Hydrazine (N2H4) and its hydrate form (N2H4·H2O) are commonly used as anti-corrosion additives in the water systems of thermal and nuclear power plants, particularly in boilers and feedwater systems. The primary purpose of using hydrazine in these applications is to prevent corrosion by removing dissolved oxygen from the water. Here’s how it works:
Mechanism of Action:
 
1. Oxygen Scavenging: Hydrazine reacts with dissolved oxygen (O2) in the water to form water (H2O). This reaction can be represented as: N2H4 + O2 →2H2O + N2
By removing oxygen, hydrazine prevents oxidative corrosion of metal surfaces, which can lead to pitting and other forms of localized corrosion.
 
2. Passivation: In addition to oxygen scavenging, hydrazine can also passivate metal surfaces by forming a protective oxide layer on the metal surfaces, particularly in the case of iron-based alloys. This layer helps to further inhibit corrosion.
 
Benefits:
Corrosion Prevention: By eliminating oxygen, hydrazine reduces the risk of corrosion, extending the life of the plant's components.
Boiler Integrity: Maintaining low levels of dissolved oxygen in boiler water helps prevent corrosion that could compromise the integrity of the boiler tubes and other components.
 
Efficiency: Reducing corrosion improves the overall efficiency of the power generation process by maintaining optimal heat transfer properties and reducing maintenance downtime.

Specifications:

Items Units Standards Results
Appearance    Colorless Colorless
Hydrazine Hydrate  % 100.0 Min    100.31 
Iron(Fe) % 0.01 Max 0.0018
Heavy Metal(Pb) % 0.0005 Max  <0.0001
Chloride(Cl)  % 0.003 Max   <0.0001
Sulfate(SO4) % 0.0005 Max <0.0001

 

 
SHANDONG MINGDE CHEMICAL CO.,LTD.
  • 3yrs
Jinan, Shandong, China
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Colorless Liquid Hydrazine Hydrate

  • Colorless Liquid Hydrazine Hydrate

  • Colorless Liquid Hydrazine Hydrate

hydrazine hydrate hs code

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