Precautions for the use of chemicals

Precautions for the use of chemicals

Definition of Hazardous Chemicals
Hazardous chemicals refer to chemicals that are inflammable, explosive, toxic, corrosive, radioactive and other dangerous properties, and are likely to cause personal injury, property damage, and environmental pollution in the process of production, storage, transportation, use, and waste disposal.
1. Precautions for the use of chemicals:

(1) Try to avoid direct contact
Do not wash hands with chemical solvents. Remember not to take it by mistake. After contact with corrosive chemicals, rinse immediately with plenty of water.

(2) It is forbidden to use open flames in flammable and explosive places
If it is necessary to use an open flame, such as welding, etc., approval must be obtained in advance, and adequate precautions must be taken.

(3) In a workplace with flammable and explosive hazards
Do not wear synthetic fiber clothes or shoes with iron nails, because synthetic fiber clothes will generate static electricity and the nails will cause sparks when hitting the ground and cause an explosion.

(4) Handling hazardous chemicals
When handling hazardous chemicals, you should strictly abide by the chemical handling regulations and take protective measures to prevent accidents.

(5) Use specifications for bottling
Use standardized sub-bottles and sub-package chemicals. For hazardous chemicals that have not been used up, it is strictly forbidden to discard them at will to avoid accidents. If the liquefied gas residue is poured into the sewer, it is prone to explosion when encountering sparks.

(6) Read the MSDS before use
Read MSDS (chemical safety data sheet) or GHS (chemical label, posted on the outside of the package) before using chemicals, and wear protective equipment as required to prevent operators from being injured during work.
2. On-site first aid for burns and poisoning of hazardous chemicals

On the one hand, in the emergency scene of chemical dangerous goods accident, it is necessary to prevent the injured from being burned and the degree of poisoning is deepened, and on the other hand, to keep the injured breathing. These are two particularly important on-site treatment principles.

(1) For chemical skin burns
For those with chemical skin burns, they should immediately move away from the scene, quickly take off the contaminated clothes, shoes, socks, etc., and rinse the wound with plenty of running water for 20 to 30 minutes (in case of strong chemical hazards, the washing time should be longer) to dilute the toxic material, preventing further damage and absorption through the wound. Do not smear ointment, red syrup or purple syrup on fresh wounds at will, and do not wrap them with dirty cloth.

(2) For chemical eye burns
For chemical eye burns, rinse with running water quickly on the spot, open the eyelids when rinsing, and thoroughly rinse the chemicals wrapped in the eyelids. If there is no rinsing equipment on site, you can bury your head in a cleaning basin filled with clean water, open your eyelids, and let your eyeballs turn back and forth for cleaning.

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