Description
No oxygen is entering the boiler with the feed water when hydrazine is present in the water.
The objective is to maintain a hydrazine residual between 0.05-0.2 ppm depending on operating pressure and boiler designe. Actual consumption is determined under operating conditions. A normal dosage is approximately 1 ltr. per day, depending of system layout.
Hydrazine is a convenient reductant because the by-products are typically nitrogen gas and water. Thus, it is used as an ANTIOXIDANT, an oxygen scavenger, and a corrosion inhibitor in water boilers and heating systems.
Hydrazine is mainly used as a foaming agent in preparing polymer foams.
No oxygen is entering the boiler with the feed water when hydrazine is present in the water.
Technical Bulletin
Technical Data Sheet
| molecular formula: | H2NNH2 |
| CAS No.: | 000302012 |
| molecular weight: | 32.05 |
| description: | colorless, oily liquid, fuming in air. |
| odor: | penetrating odor resembling that of ammonia |
| density: | 1.0036 (25/4°C) |
| Boiling point: | 113.5°C (at 760 mm Hg) |
| Freezing point: | 1.4 – 1.5°C |
| explosive limits: | 4.7 – 100% by volume in air |
| flash point: | 38 – 52°C (open cup) |
| saturation concentration: | 18900 ppm |
| conversion factors: | 1 ppm = 1.31 mg/m3 |
| (at 760 mm and 25°C) | 1 mg/m3 = 0.76 ppm |
| solubility: | soluble in water, ethanol, and isobutanol; insoluble in chloroform and ether |
| vapor density: | 1.04 (air = 1) |
| vapor pressure: |
14.4 mm Hg at 25°C |
|
HYDRAZINE HYDRATE |
|
|
Test |
Results |
|
Appearance |
Colourless and clear |
|
Sulfate : as SO4 |
0.0001% max. |
|
Chloride : as Cl |
0.0001% max. |
|
Iron : as Fe |
0.00005% max. |
|
Heavy metals : as Pb |
0.0001% max. |
|
Non volatile matter |
0.005% max. |
|
Assay : N2H4H2O (as N2H4) |
80.19% (51.32%) |
Label
Hydrazine is a convenient reductant because the by-products are typically nitrogen gas and water. Thus, it is used as an ANTIOXIDANT, an oxygen scavenger, and a corrosion inhibitor in water boilers and heating systems.
Hydrazine is mainly used as a foaming agent in preparing polymer foams.
No oxygen is entering the boiler with the feed water when hydrazine is present in the water.
LABEL PROPERTY
This is use for water Treatment.
Concentration : 36-40 %
Physical state at 20 °C : Liquid.
Colour : Clear Colorless
Odour : Ammonia like
Odour threshold : No data available.
pH value : No data available.
Melting point [°C] : -570C
Decomposition point [°C] : N/A
Critical temperature [°C] : N/A
Auto-ignition temperature [°C] : 310 °C
Flammability (solid, gas) : N/A
Flash point [°C] : NA
Boiling point [°C] : 1170C
Initial boiling point [°C] : N/A
