Harm of curing agent, accelerator, resin and acetone

Part I: Returning Chemical Names to the Catalogue

Chinese name of chemical: methyl ethyl ketone peroxide

Chemical English name: methyl ethyl ketone peroxide

English name 2: butanone peroxide

English name 2: mekp

Technical specification code: 1 138

CASNo.: 1338-23-4

Molecular formula: C8H 14O4.

Molecular weight: 174.2

Part II: Composition Content/Composition Information

Content of harmful substances, CAS number

Chemical Abstracts Service (CAS)No.: Methyl ethyl ketone peroxide 1338-23-4.

Part III: Risk Review Catalogue

Health hazard: Stimulate mucous membrane and form methemoglobin. The vapor or fog of this product has a strong stimulating effect on the respiratory tract. Inhalation can cause headache, drowsiness, nausea and vomiting. Steam is irritating to the eyes; Liquid or fog can cause serious eye damage and even blindness. Skin contact can cause burns. Oral administration strongly stimulates the digestive tract, causing abdominal pain, nausea, vomiting, dizziness, dyspnea, salivation and depression. High dose oral administration can lead to cyanosis and death.

Environmental hazard: it is harmful to the environment and can pollute the atmosphere.

Explosion hazard: This product is flammable, explosive and toxic.

Part IV: First-aid measures back to the directory

Skin contact: Take off contaminated clothes immediately and rinse with plenty of running water for at least 15 minutes. See a doctor.

Eye contact: lift the eyelid immediately and rinse it thoroughly with plenty of flowing water or normal saline for at least 15 minutes. See a doctor.

Inhalation: leave the scene quickly and go to a place with fresh air. Keep the respiratory tract unobstructed. If you have difficulty breathing, give oxygen. If breathing stops, give artificial respiration immediately. See a doctor.

Intake: Drink enough warm water to induce vomiting. Gastric lavage and catharsis. See a doctor.

Part V: Traceability catalogue of fire control measures.

Hazard characteristics: flammable, and will react violently with oxides, organics, inflammables and accelerators, causing fire or explosion. Contact with heat sources or sunlight will lead to decomposition.

Harmful combustion products: carbon monoxide and carbon dioxide.

Fire extinguishing method: Firefighters must wear gas masks and full-body fire protection suits to extinguish the fire in the upwind direction. Move the container from the fire to an empty place as much as possible. Spray water to keep the burning container cool until the fire goes out. If the container in the fire changes color or the safety pressure relief device sounds, it must be evacuated immediately. Extinguishing agent: atomized water, foam, dry powder and carbon dioxide. It is forbidden to cover with sand.

Part VI: Return to the directory of emergency response to leakage.

Emergency treatment: quickly evacuate the personnel in the leaked and polluted area to a safe area, isolate them, and strictly restrict access. Cut off the fire. It is recommended that emergency personnel wear self-contained positive pressure breathing apparatus and protective clothing. Cut off the leakage source as much as possible. Prevent it from flowing into confined spaces such as sewers and flood discharge ditches. Small amount of leakage: mixed with sand, dry lime or soda ash. A large number of leaks: damming or digging holes to contain them. Cover with foam to reduce steam disaster. Pump it into a tank car or a special collector with a pump, and recycle it or transport it to a waste disposal site for treatment.

Part VII: Operation, Disposal and Return to Directory

Precautions for operation: close the operation and strengthen ventilation. Operators must be specially trained and strictly abide by the operating procedures. Operators are advised to wear filter gas mask (half mask), chemical safety glasses, adhesive protective clothing and latex gloves. Stay away from kindling and heat sources, and smoking is strictly prohibited in the workplace. Use explosion-proof ventilation system and equipment. Prevent the steam in the workplace from leaking into the air. Avoid contact with reducing agents, acids and bases. When handling, handle with care to prevent the packaging and containers from being damaged. Equipped with corresponding varieties and quantities of fire fighting equipment and leakage emergency treatment equipment. Empty containers may leave harmful substances behind.

Precautions for storage: Store in a cool and ventilated warehouse. Stay away from fire and heat sources. Keep the container sealed. Should be stored separately from reducing agent, acid, alkali and edible chemicals, and should not be mixed. Adopt explosion-proof lighting and ventilation facilities. It is forbidden to use mechanical equipment and tools that are easy to generate sparks. The storage area should be equipped with emergency response equipment for leakage and suitable accommodation materials. No vibration, impact and friction.

Part VIII: Directory of Contact Control/Personal Protection

China MAC(mg/m3): No standard has been established.

Former Soviet Union MAC(mg/m3): No standard has been formulated.

TLVTN: No standards have been established.

Tlvwn: acgih 0.2ppm, 1.5mg/m3[ upper limit]

Engineering control: the production process is sealed and ventilation is strengthened. Provide safety shower and eye washing equipment.

Respiratory system protection: when the air concentration is high, you should wear a filter gas mask (half mask). Air respirator is recommended for emergency rescue or escape.

Eye protection: Wear chemical safety glasses.

Physical protection: wear adhesive tape anti-virus clothing.

Hand protection: wear latex gloves.

Other protection: Smoking is strictly prohibited in the workplace. Take a shower and change clothes after work. Pay attention to personal hygiene.

Part IX: Catalogue of Physical and Chemical Properties

Main ingredients: pure products

Colorless and transparent liquid with special smell.

Melting point (℃): < -20

Boiling point (℃): No data available.

Relative density (water = 1): 1.09.

Relative steam density (air = 1): No data available.

Saturated vapor pressure (kPa): no data)

Combustion heat (kJ/mol): no data available.

Critical temperature (℃): No data available.

Critical pressure (MPa): No data available.

Logarithmic value of octanol/water partition coefficient: No data available.

Flash point (℃): 50

Ignition temperature (℃): 177

Upper explosion limit %(V/V): No data available.

Lower explosive limit %(V/V): No data.

Solubility: slightly soluble in water and hydrocarbons, soluble in alcohol, ether and ester.

Main uses: used in resin manufacturing, etc.

Part X: Table of Stability and Reactivity

Prohibited compounds: strong reducing agents, acids and bases.

Conditions to avoid contact: heat and light.

Part XI: Toxicology Data Catalogue

Acute toxicity: LD50 of rats: 484 mg/kg (orally).

LC50: 200 ppm for 4 hours (inhaled by rats)

Part XII: Catalogue of Ecological Data

Other harmful effects: the substance is harmful to the environment, so special attention should be paid to the pollution of the atmosphere.

Part XIII: Return the abandoned disposal to the catalogue

Disposal mode of waste nature: it is recommended to adopt controlled incineration for disposal. After being mixed with non-combustible materials, it is incinerated.

Part XIV: Transferring Information Back to the Directory

Dangerous goods number: 52032

UN number: 2550

Packing method: put it into tinplate, and then put it into solid wooden cases filled with incombustible materials, with the net weight of each case not exceeding 20kg; Ordinary wooden cases outside threaded glass bottles, plastic bottles or plastic bags.

Matters needing attention in transportation: Railway transportation should be carried out in strict accordance with the dangerous goods loading table in the Rules for the Transport of Dangerous Goods of the Ministry of Railways. When transporting, it should be shipped separately. During transportation, it is necessary to ensure that the container does not leak, collapse, fall or be damaged. Transport vehicles should be equipped with corresponding varieties and quantities of fire fighting equipment during transportation. It is strictly prohibited to transport alongside acids, inflammables, organics, reducing agents, spontaneous combustion articles and inflammable articles when wet. Speed should be controlled to avoid bumps and vibrations. It should be transported in the morning and evening in summer to prevent sun exposure. Highway transportation shall follow the prescribed route and shall not stay in residential areas and densely populated areas. Transport vehicles should be thoroughly cleaned before and after loading and unloading, and it is forbidden to mix with impurities such as organic matter and flammable materials.

Part XV: Return regulatory information to the directory

Regulatory information: Regulations on the Safety Management of Hazardous Chemicals (promulgated by the State Council 1987 in February), Detailed Rules for the Implementation of the Regulations on the Safety Management of Hazardous Chemicals (Hua Laofa [1992] No.677) and Regulations on the Safe Use of Chemicals in the Workplace (issued by the Ministry of Labor [1996] 427). Classification and Labeling of Common Hazardous Chemicals (GB 13690-92) classifies this substance as Class 5.2 organic peroxide.

Unsaturated polyester resin:

Harm to human health: flammable, which will irritate skin, eyes and respiratory tract.

Mode of action and symptoms

Inhalation: cough, headache, dizziness, drowsiness, confusion, nausea and vomiting.

-By mistake: sore throat, stomachache, headache, dizziness, vomiting and numbness.

-Contact dermatosis: chapped and red skin.

-Contact with eyes: pain and redness.

4 first aid measures

Emergency treatment

-Inhalation: immediately move to a place with fresh air to rest; In a semi-upright position, unbutton your clothes to promote breathing. If you have difficulty breathing, give artificial respiration immediately. Those who are seriously poisoned should be sent to hospital immediately for treatment.

-Error: Caution: Do not induce vomiting, so as not to cause harm to people due to improper breathing. Rinse your mouth with clean water or go to the hospital for treatment.

-Contact with skin: rinse immediately with plenty of soapy water and take off all contaminated clothes. If the situation is serious, send it to hospital for treatment.

-Contact with eyes: rinse immediately with plenty of water, turn the eyelids upward, and try to divide the work with the eyeball to ensure that the residual harmful substances are washed clean, and then the heart must be sent to the hospital for treatment.

5 fire control measures

Fire extinguishing medium

-Applicable fire extinguishers: dry powder, carbon dioxide, foam and water (only applicable to large-scale fires)

-Harmful thermal decomposition products: combustion will produce toxic gases.

Protection of exterminators: wear protective clothing and use self-contained breathing apparatus.

6. Emergency treatment of leakage

Personal protective measures: Wear appropriate personal protective equipment to avoid inhaling harmful gases.

7. Operation, disposal and storage

Environmental protection measures and cleaning methods: prevent pollutants from entering sewers, surface water, groundwater and soil. As far as possible, collect harmful substances in clean containers for treatment, and cover the remaining harmful substances with inert adsorbent. According to relevant local laws and regulations.

Operation: Keep away from heat source and ignition source. Smoking is strictly prohibited. Avoid inhaling harmful gases. Avoid contact with eyes and skin and take measures to prevent static electricity.

Storage: it should be stored in a place with low temperature and good ventilation, avoiding contact with peroxide, and taking anti-static measures. After exposure to light, the storage period of unsaturated polyester resin containing styrene will be obviously shortened, and it should be stored in 100% opaque container and placed in a dark place.

8. Contact control/personal protection

Limits of harmful substances in working environment

Part I: Returning Chemical Names to the Catalogue

Chemical Chinese name: acetone

English name of chemical: acetone

Chinese Name 2: Axitong

Technical specification code: 249

CASNo.: 67-64- 1

Molecular formula: C3H6O

Molecular weight: 58.08

Part II: Composition Content/Composition Information

Content of harmful substances, CAS number

Content of harmful substances Chemical Abstracts Service number acetone 67-64- 1

Part III: Risk Review Catalogue

Health hazards: Acute poisoning is mainly manifested as anesthetic effect on the central nervous system, with fatigue, nausea, headache, dizziness and excitability. In severe cases, vomiting, shortness of breath, convulsions and even coma occur. Irritating to eyes, nose and throat. After oral administration, there is a burning sensation in the lips and throat, followed by dry mouth, vomiting, coma, acidosis and ketosis. Chronic effects: dizziness, burning sensation, pharyngitis, bronchitis, fatigue and irritability after long-term contact with this product. Repeated contact with the skin for a long time can cause dermatitis.

Danger of explosion: This product is extremely flammable and irritating.

Part IV: First-aid measures back to the directory

Skin contact: take off contaminated clothes and rinse skin thoroughly with soapy water and clean water.

Eye contact: Lift eyelids and rinse with running water or normal saline. See a doctor.

Inhalation: leave the scene quickly and go to a place with fresh air. Keep the respiratory tract unobstructed. If you have difficulty breathing, give oxygen. If breathing stops, give artificial respiration immediately. See a doctor.

Intake: Drink enough warm water to induce vomiting. See a doctor.

Part V: Traceability catalogue of fire control measures.

Hazard characteristics: Its vapor and air can form an explosive mixture, which is easy to burn and explode in case of open flame and high heat. Can react strongly with oxidant. Its vapor is heavier than air, and it can spread to a considerable distance at a lower place, and it will catch fire when it meets a fire source. In case of high heat, the internal pressure of the container rises, which is in danger of rupture and explosion.

Harmful combustion products: carbon monoxide and carbon dioxide.

Fire extinguishing method: move the container from the fire to the open place as much as possible. Spray water to keep the burning container cool until the fire goes out. If the container in the fire changes color or the safety pressure relief device sounds, it must be evacuated immediately. Extinguishing agent: soluble foam, carbon dioxide, dry powder, sand. Fire extinguishing with water is ineffective.

Part VI: Return to the directory of emergency response to leakage.

Emergency treatment: quickly evacuate the personnel in the leaked and polluted area to a safe area, isolate them, and strictly restrict access. Cut off the fire. It is recommended that emergency personnel wear self-contained positive pressure breathing apparatus and anti-static work clothes. Cut off the leakage source as much as possible. Prevent it from flowing into confined spaces such as sewers and flood discharge ditches. Small amount of leakage: adsorbed or absorbed by sand or other nonflammable substances. It can also be washed with plenty of water, diluted and put into the wastewater system. A large number of leaks: damming or digging holes to contain them. Cover with foam to reduce steam disaster. Use explosion-proof pump to transfer it to tank car or special collector, and recycle it or transport it to waste disposal site for treatment.

Part VII: Operation, Disposal and Return to Directory

Precautions for operation: closed operation and comprehensive ventilation. Operators must be specially trained and strictly abide by the operating procedures. Operators are advised to wear filter gas masks (half masks), safety glasses, anti-static work clothes and rubber oil-resistant gloves. Stay away from kindling and heat sources, and smoking is strictly prohibited in the workplace. Use explosion-proof ventilation system and equipment. Prevent the steam in the workplace from leaking into the air. Avoid contact with oxidants, reductants and alkalis. When filling, the flow rate should be controlled, and grounding devices should be provided to prevent static electricity accumulation. When handling, handle with care to prevent the packaging and containers from being damaged. Equipped with corresponding varieties and quantities of fire fighting equipment and leakage emergency treatment equipment. Empty containers may leave harmful substances behind.

Precautions for storage: Store in a cool and ventilated warehouse. Stay away from fire and heat sources. The reservoir temperature should not exceed 26℃. Keep the container sealed. Should be stored separately from oxidant, reductant and alkali, and should not be mixed. Adopt explosion-proof lighting and ventilation facilities. It is forbidden to use mechanical equipment and tools that are easy to generate sparks. The storage area should be equipped with emergency response equipment for leakage and suitable accommodation materials.

Part VIII: Directory of Contact Control/Personal Protection

Maximum allowable concentration in China (mg/m3): 400.

Maximum allowable concentration in former Soviet Union (mg/m3): 200.

TLVTN: OSHA 1000ppm，2380mg/m3； ACGIH 750ppm, 1780 mg/m3

TLVWN: ACGIH 1000ppm, 2380 mg/m3.

Monitoring method: gas chromatography; Furfural spectrophotometry

Engineering control: the production process is closed and fully ventilated.

Respiratory system protection: Wear a filter gas mask (half mask) when the concentration in the air exceeds the standard.

Eye protection: Generally, special protection is not needed, and safety glasses can be worn when exposed to high concentration.

Physical protection: wear anti-static work clothes.

Hand protection: Wear rubber oil-resistant gloves.

Other protection: Smoking is strictly prohibited in the workplace. Pay attention to personal hygiene. Avoid long-term repeated contact.

Part IX: Catalogue of Physical and Chemical Properties

Main ingredients: pure products

Colorless, transparent and easily flowing liquid, with aromatic smell and volatility.

Melting point (℃):-94.6

Boiling point (℃): 56.5

Relative density (water = 1): 0.8

Relative steam density (air = 1): 2

Saturated vapor pressure (kpa): 53.32 (39.5℃)

Combustion heat (kJ/mol): 1788.7

Critical temperature (℃): 235.5

Critical pressure (MPa): 4.72

Logarithmic value of octanol/water partition coefficient: -0.24

Flash point (℃):-20

Ignition temperature (℃): 465

Upper explosion limit% (v/v): 13

Lower explosive limit% (volume/volume): 2.5

Solubility: miscible with water, miscible with most organic solvents such as ethanol, ether, chloroform, oil and hydrocarbons.

Main uses: It is a basic organic raw material and a low-boiling solvent.

Part X: Table of Stability and Reactivity

Prohibited compounds: strong oxidizing agent, strong reducing agent and alkali.

Part XI: Toxicology Data Catalogue

Acute toxicity: LD500: 5800 mg/kg (taken orally by rats); 20000 mg/kg (rabbit skin)

LC50: No data.

Irritation: rabbit eyes: 3950μg, severe irritation. Rabbit percutaneous open stimulation test: 395mg, mild stimulation.

Part XII: Catalogue of Ecological Data

Other harmful effects: the substance may be harmful to the environment, so special attention should be paid to water bodies.

Part XIII: Return the abandoned disposal to the catalogue

Waste disposal method: incineration.

Part XIV: Transferring Information Back to the Directory

Dangerous goods code: 3 1025

Un number: 1090

Packing category:: O52

Packing method: small opening steel drum; Ordinary wooden cases outside ampoules; Screw-capped glass bottles, iron-capped glass bottles, plastic bottles or ordinary wooden cases outside metal barrels (cans).

Matters needing attention in transportation: transport vehicles should be equipped with corresponding varieties and quantities of fire fighting equipment and leakage emergency treatment equipment. The best luck is in the morning and evening in summer. The tank (tank) truck used for transportation should have a grounding chain, and a perforated partition can be set in the tank to reduce static electricity generated by vibration. It is strictly prohibited to transport with oxidants, reductants, alkalis and edible chemicals. Exposure, rain and high temperature should be prevented during transportation. Stay away from fire sources, heat sources and high temperature areas during stopovers. The exhaust pipe of the vehicle carrying this article must be equipped with a fire retardant device, and it is forbidden to use mechanical equipment and tools that are easy to generate sparks for loading and unloading. Highway transportation shall follow the prescribed route and shall not stay in residential areas and densely populated areas. When transporting by rail, it is forbidden to slip. It is forbidden to transport in bulk by wooden boats and cement boats.

Part XV: Return regulatory information to the directory

Regulatory information: Regulations on the Safety Management of Hazardous Chemicals (promulgated by the State Council 1987 in February), Detailed Rules for the Implementation of the Regulations on the Safety Management of Hazardous Chemicals (Hua Laofa [1992] No.677) and Regulations on the Safe Use of Chemicals in the Workplace (issued by the Ministry of Labor [1996] 427). Classification and Labeling of Commonly Used Hazardous Chemicals (GB 13690-92) classifies this substance as 3. 1 low flash point flammable liquid.