Hazard Overview

Health hazards: Strong irritation to the respiratory tract, inhalation can cause pulmonary edema and even death. Oral ingestion can corrode the oral cavity, esophagus, and stomach. Eye and skin contact can cause chemical burns. Explosive hazard: This product is flammable and highly irritating.

Emergency measures

Skin contact: Immediately remove contaminated clothing and rinse with plenty of flowing water for at least 15 minutes. Seek medical attention.

Eye contact: Immediately lift the eyelids and thoroughly rinse with plenty of flowing water or saline solution for at least 15 minutes. Seek medical attention.

Inhalation: Quickly leave the scene and move to a place with fresh air. Keep the respiratory tract unobstructed. If breathing is difficult, administer oxygen. If breathing stops, immediately perform artificial respiration. Seek medical attention. Ingestion: Rinse mouth with water and drink milk or egg whites. Seek medical attention.

Fire protection measures

Hazardous characteristics: Flammable, its vapor can form explosive mixtures with air, and can cause combustion and explosion when exposed to open flames or high heat energy. Can react strongly with oxidants. Its vapor is heavier than air and can spread to a considerable distance at lower levels. It will ignite and reignite when exposed to a source of fire. Corrosive. Harmful combustion products: carbon monoxide, carbon dioxide, nitrogen oxides. Fire extinguishing method: Spray water to cool the container, and if possible, move the container from the fire scene to an open area. Extinguishing agent: insoluble foam, carbon dioxide, dry powder, sand. Using water to extinguish the fire is ineffective.

Emergency response to leakage

Emergency response: Quickly evacuate personnel from the contaminated area to a safe zone, isolate them, and strictly restrict their entry and exit. Cut off the fire source. It is recommended that emergency responders wear self-contained positive pressure respirators and protective clothing. Enter the site from the upwind direction. Cut off the leakage source as much as possible. Prevent the flow into restricted spaces such as sewers and drainage ditches. Minor leakage: Absorb or absorb with sand or other non combustible materials. You can also rinse with a large amount of water, dilute the washing water, and put it into the wastewater system. Massive leakage: Construct embankments or dig pits to contain it. Cover with foam to reduce steam disaster. Spray water or foam to cool and dilute steam and protect on-site personnel. Transfer to a tanker or dedicated collector using an explosion-proof pump, and recycle or transport to a waste disposal site for disposal.

Operation precautions

Precautions for operation: Closed operation, strengthen ventilation. Operators must undergo specialized training and strictly adhere to operating procedures. It is recommended that operators wear conduit type gas masks, work clothes that prevent toxic substances from penetrating, and rubber oil resistant gloves. Keep away from sources of fire and heat, and smoking is strictly prohibited in the workplace. Use explosion-proof ventilation systems and equipment. Prevent steam leakage into the workplace air. Avoid contact with oxidants and acids. Charging should control the flow rate to prevent static electricity accumulation. Handle with care during transportation to prevent damage to packaging and containers. Equip with corresponding types and quantities of fire-fighting equipment and emergency response equipment for leaks. Empty containers may contain residual harmful substances.

Storage precautions: Store in a cool and ventilated warehouse. Stay away from sources of fire and heat. The storage temperature should not exceed 30 ℃. The packaging requires sealing and must not come into contact with air. It should be stored separately from oxidants and acids, and avoid mixing storage. Adopt explosion-proof lighting and ventilation facilities. Prohibit the use of mechanical equipment and tools that are prone to generating sparks. The storage area should be equipped with emergency response equipment for leaks and suitable containment materials.

Contact control and individual protection

Former Soviet Union MAC (mg/m3): 10 TLVTN: OSHA 25ppm; ACGIH 1ppm, 4.1mg/m3 [Pi]

TLVWN: ACGIH 3ppm, 12.4mg/m3 [leather] Engineering control: The production process is sealed and ventilation is strengthened. Provide safety shower and eye wash equipment.

Respiratory protection: Wear a ducted gas mask when exposed to its vapors. During emergency rescue or evacuation, oxygen respirators and air respirators should be worn. Eye protection: Respiratory protection has been implemented. Body protection: Wear work clothes that prevent toxic substances from penetrating. Hand protection: Wear rubber oil resistant gloves.

Other protections: Smoking, eating, and drinking are prohibited at the work site. After work, take a shower and change clothes. Implement pre employment and regular medical examinations.

Physical and chemical properties

Main Ingredients: Pure Appearance and Characteristics: Colorless oily liquid with strong ammonia odor. Melting point (℃): -114.8 Boiling point (℃): 89.5

Relative density (water=1): 0.70 Relative vapor density (air=1): 3.48 Saturated vapor pressure (kPa): 8.80 (20 ℃)

Combustion heat (kJ/mol): 4333.8 Critical temperature (℃): 259 Critical pressure (MPa): 3.04

Logarithmic value of octanol/water partition coefficient: 1.45 Flash point (℃):<0 Ignition temperature (℃): 249

Explosion upper limit% (V/V): 8.0 Explosion lower limit% (V/V): 1.2 Solubility: Slightly soluble in water, soluble in most organic solvents such as ethanol and ether. Main uses: Used as solvents, polymerization inhibitors, preservatives, and synthetic dyes.

Toxicological data for acute toxicity: LD50: 460 mg/kg (oral administration in rats); 570 mg/kg (rabbit transdermal) LC50: 6000 mg/m3, 2 hours (mouse inhalation) Irritation: rabbit ophthalmic: 250 μ g/24 hours, severe irritation.

Packaging, storage, and transportation technical requirements Dangerous goods number: 32168 UN number: 1296 Packaging category: O52

Packaging method: Small opening steel drum; Ordinary wooden box outside the ampoule bottle; Screw mouth glass bottles, iron cap pressed mouth glass bottles, plastic bottles, or ordinary wooden boxes outside metal drums (cans).

Transportation precautions: During railway transportation, the dangerous goods loading table in the "Dangerous Goods Transport Rules" of the Ministry of Railways should be strictly followed for loading. Transport vehicles should be equipped with corresponding types and quantities of fire-fighting equipment and emergency response equipment for leaks during transportation. It is best to transport in the morning and evening during summer. The tank truck used for transportation should have a grounding chain, and a perforated partition can be installed inside the tank to reduce static electricity generated by vibration. It is strictly prohibited to mix and transport with oxidants, acids, edible chemicals, etc. During transportation, it should be protected from direct sunlight, rain, and high temperatures. When stopping midway, one should stay away from sources of fire, heat, and high temperature areas. The exhaust pipe of the vehicle carrying the item must be equipped with a flame retardant device, and the use of mechanical equipment and tools that are prone to generating sparks for loading and unloading is prohibited. When transporting by road, follow the prescribed route and do not stay in residential or densely populated areas. It is prohibited to slip during railway transportation. It is strictly prohibited to use wooden boats or cement boats for bulk transportation.