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Distribution of benzoic acid and safety measures

Benzoic acid widely exists in nature in the free state or in the form of benzoate and ester. Benzoin resin contains about 20% benzoic acid. Some other substances, such as the bark of wild black cherry trees, also contain a small amount of free benzoic acid. The urine of herbivores contains a small amount of benzoic acid derivative-benzoylaminoacetic acid, also known as Hippuric acid, C6H5CONHCH2COOH.

Safety measures for benzoic acid:

Environmental hazard:
Aquatic plants:
Algae EC50: green algae >10 mg/L, 14 days; fish LC50: western mosquitofish, 180 mg/L, 96 hours.
Persistence and Degradability: There are no data on the degradability of this substance.
bioaccumulative potential
Partition coefficient in n-octanol and water (log Kow): 1.87; Bioconcentration factor (BCF): 5.3.
Mobility in soil: No relevant data
Other adverse effects
This material is not expected to have other adverse environmental effects (e.g., ozone depletion, photochemical ozone generation potential, endocrine disruption, global warming potential).
health hazards
Routes of entry: inhalation, skin contact, eye contact, ingestion.
Inhalation: Irritates respiratory system; Skin contact: Causes skin irritation; Eye contact: Causes serious eye damage; Ingestion: Harmful if swallowed.
Severe eye irritation. Symptoms may include stinging, tearing, redness, swelling, and blurred vision. May cause permanent eye damage, including blindness. Dust may irritate respiratory tract, skin and eyes. Skin irritation, which may cause redness and pain.
Hazard prevention
Accidental leakage measures
Cut off the fire source and do not use sparking tools. Avoid generating dust during cleaning. Avoid contact with skin or breathing spills, dust or vapors. Disperse irrelevant people. Do not touch damaged containers or spilled medicines unless wearing appropriate protective clothing. Ventilate an enclosed space before entering it. Place cleaned chemical waste in clearly labeled containers. Clean the contaminated area with water. Collect and dispose of spills in accordance with relevant regulations. This medicine and its container must be disposed of as hazardous waste.
Protective measures
Respiratory protection: Wear dust mask.
Eye/Face Protection: Wear safety glasses (or goggles) with side shields.
Protective Clothing: An impermeable apron is recommended.
Hand protection: Wear chemical-resistant gloves.
Others: Always follow good personal hygiene measures, such as washing before eating, drinking, and smoking, and regularly washing work clothes and protective equipment to remove contaminants.
Skin contact: Remove all contaminated clothing immediately. Wash skin thoroughly with soap and water for several minutes. If irritation continues to develop, seek medical attention.
Eye Contact: Remove protective glasses. Open your eyelids and rinse your eyes promptly with plenty of water. If irritation continues to develop, seek medical attention.
Inhalation: If breathing is difficult, move to fresh air and rest in a position comfortable for breathing. Those who have difficulty breathing may need oxygen if necessary. If symptoms develop or persist, seek medical attention.
Ingestion: Call a physician or poison control center immediately. If swallowed, rinse mouth with water (only if patient is conscious). Do not induce vomiting. If vomiting occurs, the head should be kept low to prevent stomach vomitus from entering the lungs.
Fire-fighting measures
Suitable extinguishing media: water spray, fog, carbon dioxide, dry chemical or alcohol-resistant foam.
Unsuitable extinguishing media: Do not use a solid stream of water as it may disperse and spread flames.
Explosion hazard: Avoid the generation of dust. Dust is dispersed in the air at a sufficient concentration and is a potential dust explosion hazard in the presence of a fire source. Fires may produce irritating, corrosive and/or toxic gases.
Special protective equipment and precautions for firefighting: Firefighters must use standard protective equipment, including flame-retardant jackets, helmets with visors, gloves, rubber boots, and the use of SCBA in enclosed spaces. Structural firefighter protective clothing only provides limited protection. When fighting a fire, self-contained breathing apparatus should be worn and the entire mask operated in positive pressure demand mode.


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