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[Chemical Knowledge]：Specification for storage and transport of n-propyl acetate

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The safety of n-propyl acetate storage and transport specifications

n-propyl acetate is a common chemical raw material, widely used in coatings, printing inks, spices and other industries. However, due to its flammable and toxic characteristics, n-propyl acetate has certain safety risks during storage and transportation. In order to ensure production safety, the relevant safety regulations must be strictly observed.

1. the physicochemical properties of n-propyl acetate

n-propyl acetate is a colorless and transparent liquid with a pleasant fruit aroma. It is flammable, the case of open flame, high heat or oxidant contact, there is a risk of combustion and explosion. The vapor of n-propyl acetate is heavier than air and can spread to a considerable distance at a lower level, and it will ignite and ignite in the event of a fire source. In case of high heat, the internal pressure of the container increases, and there is a risk of cracking and explosion.

2. n-propyl acetate storage specification

1. storage place should be cool, ventilated, away from fire, heat source, to prevent direct sunlight. The warehouse temperature should not exceed 30 ℃.
2. It should be stored separately from oxidants, acids and alkalis, and mixed storage should not be allowed. Explosion-proof lighting and ventilation facilities shall be adopted. It is forbidden to use mechanical equipment and tools that are easy to produce sparks. The storage area should be equipped with leakage emergency treatment equipment and suitable containment materials.

3. n-propyl acetate transportation specifications

1. Before transportation, check whether the packaging container is complete and sealed. During transportation, ensure that the container does not leak, collapse, fall, or damage.
2. It is strictly prohibited to mix with oxidants, acids, alkalis, edible chemicals, etc. During transportation, it shall be protected from sun exposure, rain and high temperature.
3. The vehicle shall be thoroughly cleaned after transportation to prevent the residue from polluting the environment.

4. emergency treatment measures

1. skin contact: take off the contaminated clothes and wash the skin thoroughly with soap and water.
2. Eye contact: Lift the eyelid and flush with flowing water or normal saline. See a doctor.
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. See a doctor.
4. Ingestion: Drink plenty of warm water and induce vomiting. See a doctor.

5. protective measures

engineering control: the production process is closed and fully ventilated. Safety shower and eyewash equipment provided. Respiratory system protection: when the concentration in the air exceeds the standard, you should wear a self-priming filter gas mask (half mask). In case of emergency rescue or evacuation, it is recommended to wear air respirator. Eye protection: wear chemical safety goggles. Body protection: wear anti-static overalls. Hand protection: wear anti-benzene and oil-resistant gloves. Other protection: smoking, eating and drinking are prohibited at the work site. After work, shower and change clothes. Maintain good hygiene habits.
Emergency Treatment
for
6. Leakage
evacuate personnel from the contaminated area to the safety zone, isolate them, and strictly restrict access. Cut off the fire source. It is recommended that emergency personnel wear self-contained positive pressure breathing apparatus and anti-static overalls. Cut off the leak source as much as possible. Prevent from flowing into restricted spaces such as sewers and flood drainage ditches. Small amount of leakage: adsorption or absorption with sand or other non-combustible materials. It can also be washed with a large amount of water and diluted with washing water into the waste water system. Large leakage: build embankments or dig pits to contain. Cover with foam to reduce steam disasters. Transfer to the tank or special collector with explosion-proof pump, recycle or transport to the waste treatment site for disposal.

In short, n-propyl acetate has certain safety risks during storage and transportation, and relevant safety regulations must be strictly observed to ensure personnel safety and environmental protection.

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