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[Chemical Knowledge]：Specification for storage and transport of o-nitrophenol

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1. of safety storage and transportation specification
of o-nitrophenol Introduction

o-nitrophenol is an important raw material for chemical production, widely used in medicine, pesticides, dyes and other fields. However, due to its toxic, corrosive and flammable nature, strict compliance with relevant regulations is required to ensure safety during storage and transportation. This paper will detail the safe storage and transportation specifications of o-nitrophenol.

2. the physicochemical properties of o-nitrophenol

o-nitrophenol is a yellow crystalline solid with a special odor. Melting point 42-44 ℃, boiling point 276 ℃, flash point 127 ℃. Soluble in hot water, ethanol, ether, acetone, benzene, slightly soluble in cold water. It is corrosive and can cause skin burns. Burning and explosion caused by open fire and high heat energy. It can react with strong oxidants.

3. safety storage specifications

1. Storage facilities should be cool, ventilated, dry, away from fire and heat sources. The storage temperature shall not exceed 30 ℃ and the relative humidity shall not exceed 80%.
2. storage facilities should have anti-corrosion, explosion-proof, fire prevention function, the ground should be non-slip, easy to clean.
3. Storage should avoid mixing with strong oxidants, acids, alkalis and other substances.
4. During the storage process, the integrity of the storage facilities shall be checked regularly, and the leakage and damage shall be dealt with in time.

4. Safety Transport Code

1. Transport vehicles should comply with relevant standards and have anti-corrosion, explosion-proof and fire-proof functions.
2. Check whether the package is in good condition before transportation, and shall not be transported if damaged.
3. During transportation, it should be kept stable, avoid collision and extrusion, and prevent package damage.
4. During transportation, high temperature and open flame should be avoided to prevent combustion and explosion.
5. In the process of transportation, it should be transported separately from strong oxidants, acids, alkalis and other substances.

5. emergency treatment measures

1. skin contact: immediately take off contaminated clothing, rinse with plenty of flowing water for at least 15 minutes. Seek medical attention.
2. Eye contact: Lift the eyelid immediately and rinse thoroughly with plenty of flowing water or normal saline for at least 15 minutes. Seek medical attention.
3. Inhalation: Quickly leave the site to fresh air. Keep the airway unobstructed. If breathing is difficult, give oxygen. If breathing stops, give artificial respiration immediately. Seek medical attention.
4. ingestion: gargle with water and drink milk or egg white. Seek medical attention.
5. Fire extinguishing method: Move the container from the fire to an open place as much as possible. Spray water to keep the fire container cool until the end of the fire. Containers in a fire scene that have discolored or produced sound from the safety pressure relief device must be evacuated immediately. Extinguishing agent: atomized water, foam, dry powder, carbon dioxide, sand.

6. conclusion

o-nitrophenol as an important raw material for chemical production, its safe storage and transportation is very important. By strictly abiding by relevant norms and taking effective protective measures and emergency treatment measures, the storage and transportation safety of o-nitrophenol can be ensured, and the safety of people's lives and property can be guaranteed.

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