Annex 4 to the environmental emergency plan

Substance name

Chemical Chinese Name: Triethyl Phosphite
Chemical English name: triethyl phosphite
CAS No .: 122-52-1

Physical and chemical properties

Appearance and properties: Colorless transparent liquid with special odor.
Melting point (° C): Not available Boiling point (° C): 156.6
Relative density (water = 1): 0.97
Relative vapor density (air = 1): Not available
Saturated vapor pressure (kPa): 1.60 / 49 ℃
Flash point (℃): 54
Molecular formula: C6H15O3P
Molecular weight: 166.16
Solubility: Insoluble in water, soluble in most organic solvents such as ethanol, ether, benzene and acetone.
Main uses: As a plasticizer and stabilizer for pesticide intermediates and plastics.

Stability and reactivity

Incompatible materials: Strong oxidants, strong alkalis, water, air.
Conditions to avoid: Decomposes on exposure to moisture.

Handling and storage

Precautions for operation: Closed operation and enhanced ventilation. Operators must be specially trained and strictly abide by the operating procedures. It is recommended that operators wear self-absorption filtering gas masks (half-masks), chemical safety protective glasses, antistatic work clothes, and rubber oil-resistant gloves. Away from fire and heat sources, smoking is strictly prohibited in the workplace. Use explosion-proof ventilation systems and equipment. Prevent vapors from leaking into the workplace air. Avoid contact with oxidants and alkalis. Handle with care when handling to prevent damage to packaging and containers. Equipped with the corresponding variety and quantity of fire fighting equipment and leakage emergency treatment equipment. Empty containers may be harmful residues.
Storage precautions: Store in a cool, dry, well-ventilated warehouse. Keep away from fire and heat sources. The packaging must be sealed and protected from moisture. It should be stored separately from oxidants and alkalis. Use explosion-proof lighting and ventilation facilities. Prohibit the use of spark-prone machinery and tools. The storage area should be equipped with spill emergency treatment equipment and suitable containment materials.

Risk Overview

Hazard category: Class 3.3 High flash point flammable liquid
Health hazard: Vapor or mist is irritating to eyes and upper respiratory tract. Irritating to the skin.
Explosion hazard: This product is flammable and irritating.
Acute toxicity: LD50: 3200 mg / kg (rat orally)

Emergency Response

Emergency treatment: Quickly evacuate personnel from the leaked contaminated area to a safe area and isolate them to strictly restrict access. Cut off the fire. It is recommended that emergency handlers wear self-contained positive-pressure respirators and antistatic work clothes. Cut off the source of the leak if possible. Prevent from flowing into restricted spaces such as sewers and flood drains. Small leaks: Absorb with sand, vermiculite or other inert materials. It can also be scrubbed with an emulsion made of a non-combustible dispersant, and the wash solution is diluted and put into a wastewater system. Large spills: build dikes or dig pits for containment. Transfer to a tanker or special collector with a pump and recycle or transport it to a waste disposal site for disposal.

First-aid

Skin contact: Remove contaminated clothing and rinse with plenty of running water.
Eye contact: Raise eyelids and rinse with running water or saline. Seek medical attention.
Inhalation: Leave the site to fresh air. If breathing is difficult, give oxygen. Seek medical attention. .
Ingestion: Drink plenty of warm water and induce vomiting.

Fire-fighting measures

Hazardous characteristics: Its vapor and air can form explosive mixtures, which can cause combustion and explosion when exposed to open fire and high heat energy. Reacts with oxidants. Thermal decomposition produces highly toxic phosphorous oxide fumes. In case of high heat, the internal pressure of the container will increase, and there is a danger of cracking and explosion.
Extinguishing methods and extinguishing agents: Firefighters must wear gas masks and full-body fire fighting clothing to extinguish fire in the upwind direction. Move the container from the fire to the open space as much as possible. Spray water to keep the fire container cool until the fire is over. Containers in the fire area must be evacuated immediately if they have discolored or generate sound from a safety pressure relief device. Fire extinguishing agent: mist water, foam, dry powder, carbon dioxide, sand.

Exposure control / personal protection

Maximum allowable concentration: No standard set
Respiratory protection: When the concentration in the air exceeds the standard, you must wear a self-absorption filtering gas mask (half-mask). Wear an air respirator for emergencies or evacuation.
Eye protection: Wear chemical safety protective glasses.
Body protection: Wear antistatic work clothes.
Hand protection: Wear rubber gloves.
Others: Smoking is strictly prohibited on the job site. After work, take a shower. Conduct pre-employment and regular physical examinations.

Substance name

Chemical Chinese Name: Sodium Methanolate
Chemical English name: sodium methylate
CAS No .: 124-41-4

Physical and chemical properties

Appearance and properties: White amorphous free flowing powder, odorless.
Boiling point (℃):> 450
Relative density (water = 1): 1.3
Relative vapor density (air = 1): 1.1
Molecular formula: CH3ONa Molecular weight: 54.02
Solubility: soluble in methanol and ethanol.
Main applications: Mainly used in the pharmaceutical industry, as a condensing agent, chemical reagent, and catalyst for edible oil and fat treatment in organic synthesis.

Stability and reactivity

Stability: stable at normal temperature and pressure
Decomposition products: carbon monoxide, carbon dioxide, sodium oxide.

Precautions for operation: Closed operation, local exhaust. Operators must be specially trained and strictly abide by the operating procedures. It is recommended that operators wear dust-proof masks (full face masks), rubber acid and alkali resistant clothing, and rubber acid and alkali resistant gloves. Away from fire and heat sources, smoking is strictly prohibited in the workplace. Use explosion-proof ventilation systems and equipment. Avoid generating dust. Avoid contact with acids and chlorinated hydrocarbons. Handle with care when handling to prevent damage to packaging and containers. Equipped with the corresponding variety and quantity of fire fighting equipment and leakage emergency treatment equipment. Empty containers may be harmful residues.
Storage precautions: Store in a cool, dry, well-ventilated warehouse. Keep away from fire and heat sources. The relative humidity is kept below 75%. Keep container tightly closed. It should be stored separately from acids and chlorinated hydrocarbons. Use explosion-proof lighting and ventilation facilities. Prohibit the use of spark-prone machinery and tools. The storage area should be equipped with suitable materials to contain spills.

Risk Overview

Health hazards: Vapor, mist or dust of this product is strongly irritating and corrosive to the respiratory tract. Inhalation can cause drowsiness, central depression, and anesthesia. Strongly irritating and corrosive to eyes, can cause blindness. Skin contact can cause burns. Oral corrosion of the digestive tract causes abdominal pain, nausea, and vomiting; large amounts of oral administration can cause blindness and death. Chronic effects: inhibitory effect on the central nervous system.

Emergency Response

Emergency treatment: Isolate leaking contaminated areas and restrict access. Cut off the fire. It is recommended that emergency handlers wear self-contained positive-pressure respirators and acid- and alkali-proof work clothes. Mix with sand, dry lime or soda ash. Avoid dust, sweep up carefully, and transfer to a safe place. If a large amount of leakage, cover with plastic cloth, canvas. Collect, recycle or transport to waste disposal site for disposal.

first-aid

Inhalation: Leave the scene quickly to fresh air. Keep your airways open. If breathing is difficult, give oxygen. If breathing stops, give artificial respiration immediately. Seek medical attention.
Skin contact: Remove contaminated clothing immediately and rinse with plenty of running water for at least 15 minutes. Seek medical attention.
Eye contact: Raise the eyelids immediately and rinse thoroughly with plenty of running water or saline for at least 15 minutes. Seek medical attention.

Fire-fighting measures

Dangerous characteristics: It is flammable in case of open flame and high heat. Violent reaction in contact with oxidants. Heat points explain highly toxic fumes. Corrosive to some metals such as aluminum and zinc when exposed to moisture.
Fire extinguishing methods and fire extinguishing agents: Firefighters must wear gas masks and extinguish fires in a windward direction from a safe distance. Fire extinguishing agent: foam, dry powder, carbon dioxide, sand. Water is prohibited.

Exposure control / personal protection

Maximum allowable concentration: China MAC: No standard
Respiratory protection: A dust mask (full face mask) must be worn when it may come into contact with dust. Wear an air respirator for emergencies or evacuation.
Eye protection: Protection has been made in respiratory protection.
Body protection: Wear rubber acid and alkali resistant clothing.
Hand protection: Wear rubber acid and alkali resistant gloves.
Other protection: After work, take a shower and change clothes. Store clothes contaminated by poisons separately and wash them for later use. Maintain good hygiene.

Substance name

Chemical Chinese Name: Methanol
Chemical English name: Methanol
CAS No .: 67-56-1

Physical and chemical properties

Appearance and properties: colorless, clear liquid with irritating odor
Melting point (° C): 97.8 Boiling point (° C): 64.8
Relative density (water = 1): 0.79
Relative vapor density (air = 1): 0.98
Saturated vapor pressure (kPa): 13.3 / 21.2 ℃
Flash point (℃): 11
Molecular formula: CH3OH
Molecular weight: 32.04
Solubility: soluble in water, miscible in most organic solvents such as alcohol and ether
Main use: Mainly used for making formaldehyde, flavor, dye, medicine, gunpowder, antifreeze, etc.

Stability and reactivity

Stability: stable
Decomposition products: carbon monoxide, carbon dioxide.

Precautions for operation: Closed operation and enhanced ventilation. Operators must be specially trained and strictly abide by the operating procedures. It is recommended that operators wear filter-type gas masks (half-masks), chemical safety protective glasses, antistatic work clothes, and rubber gloves. Away from fire and heat sources, smoking is strictly prohibited in the workplace. Use explosion-proof ventilation systems and equipment. Prevent vapors from leaking into the workplace air. Avoid contact with oxidants, acids and alkali metals. When filling, the flow rate should be controlled, and there should be a grounding device to prevent static electricity accumulation. Equipped with the corresponding variety and quantity of fire fighting equipment and leakage emergency treatment equipment. Empty containers may be harmful residues.
Storage precautions: Store in a cool, ventilated warehouse. Keep away from fire and heat sources. The storage temperature should not exceed 30 ℃. Keep container tightly closed. It should be stored separately from oxidants, acids, alkali metals and so on. Use explosion-proof lighting and ventilation facilities. Prohibit the use of spark-prone machinery and tools. The storage area should be equipped with spill emergency treatment equipment and suitable containment materials.

Risk Overview

Hazard Class: Class 3.2 Medium Flash Point Flammable Liquid
Invasion route: inhalation, ingestion
Health hazards: Rats inhaled 11.5g / m3 for 1 year. The growth and development were different from those in the control group.
Acute toxicity: Slight eye and upper respiratory tract irritation symptoms (large oral gastrointestinal irritation symptoms) after a large amount of short-term inhalation; headache, dizziness, fatigue, dizziness, drunkenness, consciousness, delirium, and even after a period of incubation coma. Optic nerve and retinopathy may have blurred vision, diplopia, etc., and severe blindness. In the case of metabolic acidosis, there is a decrease in the binding capacity of carbon dioxide, and accelerated breathing. Moderately toxic

Emergency Response

Emergency treatment: Quickly evacuate personnel from the leaked contaminated area to a safe area and isolate them to strictly restrict access. Cut off the fire. It is recommended that emergency handlers wear self-contained positive-pressure respirators and wear protective clothing. Do not touch the spill directly. Cut off the source of leakage as much as possible to prevent entry into restricted spaces such as sewers and flood drains. Small leaks: Adsorb or absorb with sand or other non-combustible materials. It can also be rinsed with a large amount of water and diluted into the waste water system after washing. Massive leakage: construct a dike or dig to contain; cover with foam to reduce steam disaster. Use explosion-proof pump to transfer to tanker or special collector. Recycle or ship to a waste disposal site for disposal.

first-aid

Skin contact: Remove contaminated clothing and rinse skin thoroughly with soap and water.
Eye contact: Raise eyelids and rinse with running water or saline. Seek medical attention.
Inhalation: Quickly leave the scene to fresh air. Keep your airways open. If breathing is difficult, give oxygen. If breathing stops, give artificial respiration immediately. Seek medical attention.
Ingestion: Drink plenty of warm water, induce vomiting, and wash the stomach with water or 1% sodium thiosulfate solution. Seek medical attention.

Fire-fighting measures

Hazardous characteristics: Mixing with air can form explosive mixtures, which can cause combustion and explosion when exposed to open flames and high heat energy. Its vapor is heavier than air, and can spread to a relatively low place at a lower place. In case of high heat, the internal pressure of the container will increase, and there is a danger of cracking and explosion.
Extinguishing methods and extinguishing agents: Move the container from the fire to an open area as much as possible. Spray water to keep the fire container cool until the fire is over. Containers in the fire area must be evacuated immediately if they have discolored or generate sound from a safety pressure relief device. Fire extinguishing agent: solvent-resistant foam, dry powder, carbon dioxide, sand.

Exposure control / personal protection

Respiratory protection: A filter-type respirator (half-mask) should be worn when possible exposure to its vapors. It is recommended to wear an air respirator during emergency situations for rescue or evacuation.
Eye protection: Wear chemical safety protective glasses.
Body protection: Wear antistatic work clothes.
Hand protection: Wear rubber gloves.
Others: Smoking, eating and drinking are not allowed on the job site. After work, take a shower and change clothes. Conduct pre-employment and regular physical examinations.

Substance name

Chemical Chinese name: dimethyl sulfoxide, dimethyl sulfoxide
Chemical English name: dimethyl sulfoxide, methyl sulfoxide
CAS No .: 67-68-5

Physical and chemical properties

Appearance and properties: Colorless and odorless liquid.
Melting point (° C): 18.45 Boiling point (° C): 189
Relative density (water = 1): 1.10
Relative vapor density (air = 1): 2.7
Saturated vapor pressure (kPa): 0.05 (20 ℃)
Flash point (° C): 95 Molecular formula: C2H6OS Molecular weight: 78.13
Upper explosion limit% (V / V): 42 Lower explosion limit% (V / V): 0.6
Solubility: soluble in water, soluble in ethanol, acetone, ether, chloroform, etc.
Main applications: Used as a solvent for acetylene, aromatics, sulfur dioxide, and other gases, as a solvent for spinning acrylic fibers, and as an extractant for aromatics in the petrochemical industry.

Stability and reactivity

Incompatible materials: Halides, strong acids, strong oxidants, strong reducing agents.

Precautions for operation: airtight operation and comprehensive exhaust. Operators must be specially trained and strictly abide by the operating procedures. It is recommended that operators wear self-absorbent filter-type gas masks (half-masks), chemical safety protective glasses, anti-poison infiltration work clothes, and rubber oil resistant gloves. Away from fire and heat sources, smoking is strictly prohibited in the workplace. Use explosion-proof ventilation systems and equipment. Prevent vapors from leaking into the workplace air. Avoid contact with oxidants, reducing agents, halides, acids. Handle with care when handling to prevent damage to packaging and containers. Equipped with the corresponding variety and quantity of fire fighting equipment and leakage emergency treatment equipment. Empty containers may be harmful residues.
Storage precautions: Store in a cool, ventilated warehouse. Keep away from fire and heat sources. It should be stored separately from oxidants, reducing agents, halides and acids. Equipped with the appropriate variety and quantity of fire equipment. The storage area should be equipped with spill emergency treatment equipment and suitable containment materials.

Risk Overview

Risk category: not specified
Health hazards: Harmful by inhalation, ingestion or absorption through the skin. Irritating to eyes, skin, mucous membranes and upper respiratory tract. May cause allergic reactions to the lungs and skin. Zh
Explosion hazard: This product is flammable, irritating and allergenic.
Acute toxicity: LD50: 9700-28300 mg / kg (rat oral); 16500-24000 mg / kg (mouse oral)

Emergency Response

Emergency treatment: Quickly evacuate personnel from the leaked contaminated area to a safe area and isolate them to strictly restrict access. Cut off the fire. It is recommended that emergency handlers wear self-contained positive-pressure respirators and wear protective clothing. Cut off the source of the leak if possible. Prevent from flowing into restricted spaces such as sewers and flood drains. Small leaks: Absorb with sand, vermiculite or other inert materials. It can also be rinsed with a large amount of water and diluted into the waste water system. Large spills: build dikes or dig pits for containment. Transfer to a tanker or special collector with a pump and recycle or transport it to a waste disposal site for disposal.

first-aid

Skin contact: Remove contaminated clothing and rinse with plenty of running water.
Eye contact: Raise eyelids and rinse with running water or saline. Seek medical attention.
Inhalation: Leave the site to fresh air. If breathing is difficult, give oxygen. Seek medical attention.
Ingestion: Drink plenty of warm water and induce vomiting. Seek medical attention.

Fire-fighting measures

Dangerous characteristics: Combustible in case of open flame and high heat. Thermal decomposition produces toxic sulfide fumes. Can react violently with halides such as acid chloride, trichlorosilane, phosphorus trichloride.
Extinguishing methods and extinguishing agents: Firefighters must wear gas masks and extinguish fires in a windward direction from a safe distance. Move the container from the fire to the open space as much as possible. Spray water to keep the fire container cool until the fire is over. Containers in the fire area must be evacuated immediately if they have discolored or generate sound from a safety pressure relief device. Fire extinguishing agent: mist water, foam, dry powder, carbon dioxide, sand.

Exposure control / personal protection

Maximum allowable concentration: 20mg / m3 (former Soviet Union)
Respiratory protection: When the concentration in the air exceeds the standard, you must wear a self-absorption filtering gas mask (half-mask). Wear an air respirator for emergencies or evacuation
Eye protection: Wear chemical safety protective glasses.
Body protection: Wear protective work clothes.
Hand protection: Wear rubber oil-resistant gloves.
Others: Smoking, eating and drinking are not allowed on the job site. After work, take a shower.