80% purity hydrazine hydrate must be preserved：

1. The hydrazine hydrate packaging barrel shall be clearly marked in accordance with GB190-3.

2. Hydrazine hydrate packaging containers can be 53 # steel lined with epoxy resin or tetrafluororesin iron drums. Small packages can be packed in PE drums, not PVC drums.

3. As hydrazine hydrate is toxic and corrosive, it must not contact the skin during handling.

4. When hydrazine hydrate concentration is greater than 85%, the packaging barrel must be protected with nitrogen.

5. The boiling point of hydrazine hydrate is higher than that of water, which will cause the water to evaporate first, and the concentration will increase, causing spontaneous combustion. Therefore, the packaging, storage and transportation must be strictly sealed.

6. Hydrazine hydrate shall not be stacked together with oxidant and plant fiber, and shall not be close to fire source. Hydrazine hydrate shall be kept in a cool and ventilated warehouse.

7. Hydrazine hydrate shall be protected from sunlight and the container must be sealed. Handle with care during loading and unloading to prevent package damage.