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[Chemical Knowledge]：Specification for storage and transportation of sodium dithionite

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Sodium dithionite (Na2S2O4) is a common chemical raw material, widely used in printing and dyeing, papermaking, food and other industries. Due to its dangerous and toxic nature, it is necessary to strictly comply with relevant safety regulations during storage and transportation.

1. the properties of sodium dithionite

sodium dithionite is a white crystalline powder with strong reducibility and acidity. It is easily soluble in water and decomposes in acid to produce sulfur dioxide gas and release oxygen at the same time. Sodium dithionite is sensitive to heat, light, oxygen, etc., and is prone to decomposition and oxidation reactions.

the harm of 2. sodium dithionite

sodium dithionite has certain harm to human body, mainly through inhalation, ingestion and skin contact and other ways into the human body, causing poisoning symptoms. Poisoning symptoms include headache, dizziness, nausea, vomiting, abdominal pain, diarrhea, etc. In severe cases, dyspnea, coma, shock, etc.

3. sodium dithionite safety storage specification

1. The storage place should be dry, ventilated, cool, and avoid direct sunlight and high temperature.
2. The storage container shall be well sealed to prevent air leakage and moisture.
3. The storage area should be away from fire source, heat source and oxidant, and it is forbidden to mix with acidic substances.
4. Regularly check the integrity of the storage container, and deal with the damage in time.
5. The storage area shall be provided with obvious safety warning signs and equipped with corresponding fire fighting equipment.

4. sodium dithionite safety transport specification

1. transport vehicles should comply with the relevant standards, with rain, sun, fire and other functions.
2. Before transportation, the integrity of the packaging container should be checked to ensure that the seal does not leak.
3. Avoid violent vibration and collision during transportation to prevent package damage.
4. Transport vehicles should be far away from open flames and high temperature areas, and it is forbidden to be mixed with oxidants, acids, etc.
5. Emergency treatment equipment and personal protective equipment shall be provided during transportation.

5. sodium dithionite leakage treatment specification

1. When sodium dithionite leakage is found, immediate measures should be taken to prevent the leakage from spreading.
2. In case of a small amount of leakage, sand, dry lime or soda ash can be mixed and recycled into the container.
3. In case of a large amount of leakage, embankment or pit shall be constructed and transferred to the tank car or special collector by pump.
4. Recycled materials should be discarded after safe treatment to prevent environmental pollution.

In short, sodium dithionite, as a common raw material for chemical production, needs to strictly abide by relevant safety regulations during storage and transportation to ensure the safety of personnel and the environment. At the same time, in the event of leakage, prompt measures should be taken to deal with it to prevent the situation from expanding.

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