White oil is harmful to the body, mainly damaging people's nervous system. Because the onset is relatively hidden and there is an incubation period, the disease usually progresses slowly. White oil enters the body mostly through inhalation or accidental ingestion. It is important to understand the hazards and take corresponding preventive measures. This is something that requires special attention. The most common form of white gasoline poisoning is chronic poisoning, which mainly manifests as damage to the human body's peripheral nerves. Its symptoms are relatively hidden and progress slowly, and the disease can still progress after contact with the pathogen stops. The main early symptoms are numbness and fatigue in the hands and feet, difficulty walking, followed by typical symptoms such as decreased or absent sensation in the limbs, weakened muscle strength, muscle atrophy, weight loss, foot drop, and even limb paralysis. The scientific name of white gasoline is n-heptane, the structural formula is CH3(CH2)5CH3, and the molecular weight is 100.21. Colorless transparent liquid. Relative density (20℃/4℃)>0.6594, freezing point -90.6℃, boiling point 98.4℃. Flash point -4℃, fire point 204℃, refractive index 1.38512, viscosity (20℃) 0.4mPa·s, solubility parameter δ=7.4. It is miscible with ether, acetone, chloroform, benzene and petroleum ether. Insoluble in water, soluble in ethanol. It is highly flammable, and its vapor forms an explosive mixture with air, with an explosion limit of 1.2%-6.7% (vol). Low toxicity, with stimulating and anesthetic effects. The maximum allowable concentration in the air is 1600 mg/m3 (or 0.04%). Used as solvent and diluent. Store in a cool, ventilated warehouse. Fireproof and sun-proof. Routes of entry: Inhalation, ingestion. Health Hazards: Its vapor or mist is irritating to eyes, mucous membranes and respiratory tract. Symptoms of poisoning may include burning sensation, coughing, wheezing, laryngitis, shortness of breath, headache, nausea and vomiting. This product can cause peripheral neuritis. Very irritating to skin. Toxicological information and environmental behavior Acute toxicity: LD5040mg/kg (mouse intravenous); LC503400ppm, 4 hours (rat inhalation) Hazardous characteristics: Its vapor can form explosive mixture with air. Can cause combustion and explosion when exposed to open flame or high heat. Produces a lot of smoke when burning. Can react violently with oxidants. High-speed impact, flow and agitation may cause combustion and explosion due to static spark discharge. Its vapor is heavier than air and can diffuse to a considerable distance at a lower level. It will reignite when exposed to open flames. |
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