Phosphorus trichloride, ainorganic compound, chemical formula is PClthreeIt is mainly used in the manufacture of organophosphorus compounds, as well as reagents.
Chinese name
Phosphorus trichloride
Foreign name
Phosphorus trichloride
chemical formula
PClthree
molecular weight
one hundred and thirty-seven point three three three
Skin contact: immediately take off the contaminated clothes, immediately absorb the liquid with clean cotton or cloth, wash with a large amount of flowing water, and seek medical advice.
Eye contact: immediately lift the eye and face, thoroughly flush with a large amount of flowing water or physiological saline for at least 15 minutes, and then seek medical advice.
Inhalation: quickly leave the site to a place with fresh air to keep the respiratory tract unobstructed.If breathing is difficult, give oxygen. If breathing stops, take artificial respiration and seek medical advice.
Ingestion: Rinse the mouth with water, wash the stomach if there is no corrosion symptom, avoid taking oil, and seek medical advice.
Fire fighting measures
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Hazard characteristics: It will decompose violently when encountering water, producing a large amount of heat and smoke, or even explosion.
Extinguishing method: firefighters must wear acid and alkali resistant fire-fighting clothes.
Extinguishing agent: dry powder, carbon dioxide, dry sand, no water.
Leakage emergency treatment
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Evacuate the personnel in the leakage contaminated area to the safe area quickly, isolate them for 150 meters immediately, and strictly restrict access.It is recommended that emergency treatment personnel wear self-contained positive pressure respirators, acid and alkali resistant work clothes, and do not directly contact with leakage.Cut off the leakage source as much as possible.Prevent entry into restricted spaces such as sewers and flood discharge ditches.
Small amount of leakage: absorb with sand, vermiculite or other inert materials.
Large amount of leakage: build a dike or dig a pit to receive.Remove under the guidance of experts.
Protective measures
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Engineering control: closed operation, pay attention to ventilation.Mechanize and automate as much as possible.Provide safety shower and eyewash equipment.
Respiratory system protection: When it is possible to contact with its vapor, you must wear a self-priming filtered gas mask or an isolated respirator.In case of emergency rescue or evacuation, it is recommended to wear an air respirator.
Eye protection: wear chemical safety goggles.
Body protection: wear rubber acid and alkali resistant clothes.
Hand protection: wear rubber acid and alkali resistant gloves.
Other protection: smoking, eating and drinking are prohibited at the work site.After work, take a shower and change clothes.Store the clothes contaminated by poisons separately and use them after washing.Keep good hygiene habits.
Handling and storage
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Precautions for operation: close operation, pay attention to ventilation, and operate as mechanically and automatically as possible. Operators must be specially trained and strictly abide by the operating procedures. It is recommended that operators wear self-priming filtering gas masks, chemical safety goggles, rubber acid and alkali resistant clothing, and rubber acid and alkali resistant gloves to prevent vapor leakage into the air of the workplace,Avoid contact with oxidants, acids and bases.In particular, avoid contact with water.During handling, it is necessary to load and unload with care to prevent packaging and containers from being damaged. Emergency treatment equipment for leakage shall be provided.Empty containers may leave harmful substances.
Precautions for storage: Store in a cool, dry and well ventilated warehouse, away from kindling. The heat source and warehouse temperature shall not exceed 25 ℃ and the relative humidity shall not exceed 75%. The package must be sealed and kept away from moisture. It should be stored separately from oxidants, acids, alkalis and edible chemicals. Do not store them together for a long time to avoid deterioration,The storage area shall be equipped with leakage emergency treatment equipment and appropriate materials.
security information
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Safety terminology
S7/8：Keep container tightly closed and dry.
Store in a tightly closed container and keep dry.
S26：In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
After eye contact, immediately flush with plenty of water and seek medical advice.
S28：After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer).
After skin contact, immediately use a large amount of(designated by the manufacturer).
S36/37/39：Wear suitable protective clothing, gloves and eye/face protection.
Wear appropriate protective clothing, gloves and eye/face protection.
S43：In case of fire, use ... (if water increases the risk, add - never use water).
In case of fire, specify the specific type of fire-fighting equipment. If water use increases the danger, indicate "No water".
S45：In case of accident or if you feel unwell, seek medical advice immediately (show the lable where possible).
In case of an accident or feeling unwell, seek medical advice immediately (show the label if possible).
Risk terminology
R14：Reacts violently with water.
React violently with water.
R26/28：Very toxic by inhalation and if swallowed.
Very toxic by inhalation and if swallowed.
R35：Causes severe burns.
Causes serious burns.
R40：Possible risks of irreversible effects.
There may be risk of irreversible effects.
R48/20：Harmful : danger of serious damage to health by prolonged exposure through inhalation.
Harmful: danger of serious damage to health due to long-term exposure through inhalation.
