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Formic acid
time:2019-07-22 14:33:50click:993

1. Physical and chemical properties

Color and odor state: colorless and transparent liquid with pungent odor.

Flammability: flammable (flammable) volatility: volatile

Density: 1.22℃ acid base: strong acid

Corrosion: corrosion boiling point: 100.8℃

Flash point: 68.9℃ stability: stable

Melting point: 8.2℃, high concentration of formic acid in winter easy to freeze

Decomposability: slowly decomposes to carbon monoxide and water at room temperature

Solubility: miscible with water, insoluble in hydrocarbons, miscible in alcohols.

2. Various Numbers: CAS: 64-18-6 HS: 2915110000 EINECS: 200-001-8

3, use: formic acid is one of the basic organic chemical raw materials, widely used in pesticide, leather, dye, medicine and rubber industries. Formic acid can be directly used in fabric processing, tanning, textile printing and dyeing, storage of green feed, as well as metal surface treatment agent and rubber

Adhesives and industrial solvents. In organic synthesis, it is used to synthesize various formate esters, acridine dyes and formamide intermediates.

Specific categories are as follows:

Pharmaceutical industry: caffeine, analgin, aminopyrine, aminophylline, theobromine borneol, vitamin B1, metronidazole, mebendazole, disinfectant, preservative. Pesticide industry: fenruning, triazolidone, tricyclazole, triaminazole, triazophos, multiprazole, enprazole,

Insecticide ether, trichloride, etc.

Chemical industry: calcium formate, sodium formate, ammonium formate, potassium formate, ethyl formate, barium formate, dimethyl formamide, formamide, rubber aging inhibitor, pentaerythritol, neopentyl glycol, epoxy soybean oil, octyl epoxide, terpentyl chloride, paint remover,

Phenolic resin, pickling steel plate, etc.

Leather industry: tanning agents, dedusting agents and neutralizing agents for leather.

Rubber industry: natural rubber coagulant.

4. Production and preparation method and process: methanol carbonyl synthesis method (methyl formate method), methanol and carbon monoxide hydrolysis synthesis, please refer to the relevant data

5. Hazard category: acid corrosion, class 8.1

6, fire control measures: fire extinguishing agent: soluble foam, dry powder, carbon dioxide. Fire-fighting precautions: fire-fighting personnel should wear full-body protective clothing and oxygen breathing apparatus to extinguish the fire. Use water to keep fire containers cool, and spray to protect those trying to stop the leak

7. First aid treatment: inhalation: leave the scene quickly to the fresh air. Keep respiratory tract open. If breathing becomes difficult, administer oxygen. If breathing stops, give artificial respiration immediately and seek medical advice. Eat by mistake: gargle with water and drink milk or egg white. Go to a doctor. Skin contact: immediately remove contaminated clothing and rinse with plenty of running water for at least 15 minutes. Seek medical advice. Eye contact: lift eyelid immediately, rinse thoroughly with plenty of flowing water or normal saline for at least 15 minutes, seek medical advice.

8. Packaging, storage and transportation: plastic drum packaging, 240-250 kg/drum, stored in a cool and ventilated warehouse. Stay away from fire and heat. The storage temperature shall not exceed 30 ℃, and the relative humidity shall not exceed 85%. Keep container sealed. Should be stored separately with oxidant, alkali, active metal powder, do not mix storage. Equipped with the corresponding variety and quantity of fire equipment. The storage area shall be equipped with emergency leakage treatment equipment and appropriate storage materials.