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[Chemical Knowledge]：Specification for storage and transport of R134a(1,1,1,2-tetrafluoroethane)

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Safety storage and transportation specification
of R134a(1,1,1,2-tetrafluoroethane) in the field of chemical production raw materials
Introduction

R134a(1,1,1,2-tetrafluoroethane) is a common chemical production raw material, widely used in refrigeration, air conditioning, foaming and other fields. Due to its special physical and chemical properties, R134a needs to comply with certain safety regulations during storage and transportation to ensure the safety of personnel and the environment. This article will detail the safe storage and transportation specifications of R134a.

1. the physical and chemical properties of R134a

R134a is a colorless, odorless, non-flammable, non-explosive gas with high stability and chemical inertness. However, it decomposes at high temperatures, producing toxic hydrogen fluoride gas. Therefore, it is necessary to control the temperature during storage and transportation to avoid high temperature environment.

2. R134a safety storage specification

1. Storage facilities: R134a should be stored in a cool, dry, well-ventilated special warehouse, avoid direct sunlight and high temperature environment.
2. Storage container: special high-pressure steel cylinder or composite gas cylinder should be used for storage to ensure good pressure resistance and sealing performance of the container.
3. Storage limit: In order to ensure safety, the storage amount should be controlled within a reasonable range to avoid security risks caused by excessive storage.
4. Safety identification: Obvious safety identification shall be set around the storage facilities, including flammable, toxic, corrosive and other signs to remind personnel to pay attention to safety.

3. R134a safety transportation specifications

1. Transport vehicles: vehicles with professional qualifications and transportation capacity should be selected for transportation to ensure that the vehicles have good stability and safety during transportation.
2. Transport personnel: Transport personnel should be professionally trained to understand the nature of R134a and safe operation procedures, and have the ability to respond to emergencies.
3. Temperature control during transportation: During transportation, the temperature in the car should be controlled to avoid high temperature causing R134a to decompose and produce toxic gases.
4. Transport safety identification: Transport vehicles shall be provided with obvious safety identification, including flammable, toxic, corrosive and other signs to remind the surrounding personnel to pay attention to safety.

4. emergency treatment measures

1. Leakage treatment: If R134a is found to be leaking, the air source should be shut down immediately and special tools should be used for repair. At the same time, personnel in the leakage area should be evacuated to a safe area quickly, and a cordon should be set up to prohibit irrelevant personnel from entering.
2. Fire treatment: If a fire occurs, use a dry powder fire extinguisher to extinguish the fire immediately, and call the police quickly to request fire support. Keep calm during fire fighting and follow the correct fire fighting procedures to ensure the safety of personnel.

5. conclusion

R134a as a common chemical production raw material, in the process of storage and transportation need to strictly abide by the safety norms, to ensure the safety of personnel and the environment. By understanding the physical and chemical properties of R134a, mastering the correct storage and transportation methods, and taking effective emergency measures, safety risks can be reduced and the smooth progress of production activities can be guaranteed.

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