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N. N-dimethylformamide precautions

Views: 4     Author: Site Editor     Publish Time: 2022-08-05      Origin: Site

N. N-dimethylformamide precautions

First aid measures

Skin contact: take off contaminated clothes immediately and wash with a large amount of flowing water for 20 ~ 30 minutes. If you feel unwell, see a doctor. If you feel unwell, see a doctor.

Eye contact: lift the eyelids immediately and wash thoroughly with a large amount of flowing water or normal saline for 10 ~ 15 minutes. If you feel unwell, see a doctor.

Inhalation: quickly leave the site to a place with fresh air. Keep the respiratory tract unobstructed. If breathing is difficult, give oxygen. Stop breathing and heartbeat, and immediately carry out cardiopulmonary resuscitation. See a doctor.

Ingestion: drink enough warm water to induce vomiting. See a doctor.

Fire fighting measuresCAS 68 12 2 distributors - YuanfarChemicals

Hazard characteristics: flammable, in case of open fire, high heat or contact with oxidant, there is a risk of combustion and explosion. It can react violently with concentrated sulfuric acid and fuming nitric acid, and even explode. It can react strongly with halides (such as carbon tetrachloride).

Harmful combustion products: carbon monoxide, nitrogen oxides.

Fire extinguishing method: use foggy water, insoluble foam, dry powder, carbon dioxide and sand to extinguish the fire.

Precautions and measures for fire fighting: Firefighters must wear gas masks and full body fire fighting clothes to extinguish the fire in the upwind direction. Move the container from the fire site to an open place as far as possible. Spray water to keep the containers at the fire site cool until the end of fire fighting. If the container in the fire site has changed color or generated sound from the safety pressure relief device, it must be evacuated immediately.

Leakage emergency treatment

Eliminate all ignition sources. The warning area shall be delimited according to the influence area of liquid flow and vapor diffusion, and irrelevant personnel shall evacuate to the safety area from the crosswind and upwind. It is recommended that emergency treatment personnel wear positive pressure self-contained breathing apparatus and anti-static clothing. All equipment used during operation shall be grounded. Do not touch or cross the leakage. Cut off the leakage source as much as possible. Prevent leakage from entering water bodies, sewers, basements or confined spaces.

Small leakage: absorb with sand or other non combustible materials. Use clean, non sparking tools to collect absorbent materials.

Massive leakage: build a dike or dig a pit for storage. Absorb a large amount of liquid with flying dust or lime powder. Cover with insoluble foam to reduce evaporation. Spray fog can reduce evaporation, but it can not reduce the flammability of leakage in the restricted space. Transfer to tank car or special collector with explosion-proof pump.

Handling and storage

Precautions for operation: closed operation, full ventilation. Operators must receive special training and strictly abide by the operating procedures. It is recommended that operators wear filter gas masks (half masks), chemical safety glasses, chemical protective clothing and rubber gloves. Keep away from kindling and heat sources. Smoking is strictly prohibited in the workplace. Use explosion-proof ventilation system and equipment. Prevent steam from leaking into the air of the workplace. Avoid contact with oxidant, reductant, halogen and acid. The flow rate shall be controlled during filling to prevent electrostatic accumulation. Handle with care to prevent package and container damage. Equip with corresponding varieties and quantities of fire-fighting equipment and leakage emergency treatment equipment. Emptied containers may leave harmful substances.

Storage precautions: store in a cool and ventilated warehouse. The storage temperature should not exceed 37 ℃, away from kindling and heat sources. Keep the container sealed. It should be stored separately from oxidants, reductants, halogens, etc. do not mix them. Explosion proof lighting and ventilation facilities are adopted. It is forbidden to use mechanical equipment and tools that are easy to produce sparks. The storage area shall be equipped with leakage emergency treatment equipment and suitable storage materials.

Personal protection

The production process is closed and fully ventilated, and safety shower and eye washing equipment are provided; When the concentration in the air exceeds the standard, wear a filtered gas mask (half mask); Wear chemical safety glasses; Wear chemical protective clothing; Wear rubber gloves; Smoking is strictly prohibited at the work site; Shower and change clothes after work.

Waste disposal

Nature of waste: hazardous waste

Waste disposal method: incineration method. After mixing with fuel, it is incinerated. The NOx discharged from the incinerator is removed by the scrubber.

Waste precautions: refer to relevant national and local regulations before disposal. Return the emptied containers to the manufacturer or bury them in the specified place.  [3]  [2]

N. N-dimethylformamide safety information

Safety terminology

In case of an accident or feeling unwell, seek medical attention immediately (show the label when possible).

Avoid contact and get special instructions before use.

Risk terminology

Harmful by inhalation and in contact with skin.

Irritating to eyes.

May cause harm to unborn babies.

YUANFAR CHEMICAL have been engaged in chemical business since 2001, and has our own factories  manufacturing hydrazine product

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 : albert@yuanfar.com
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