methyl acrylate; methyl propenoate

Guidance on Safe Use

First-aid measures

Eye Contact: Immediately flush eyes with water; remove contact lenses, if present, after the first 5 minutes, then continue flushing eyes for at least 15 minutes. Obtain medical attention without delay, preferably from an ophthalmologist.  Eye wash fountain should be located in immediate work area.  

Skin Contact: Immediately flush skin with plenty of water for at least 15 minutes while removing contaminated clothing.  Seek medical attention if symptoms occur or irritation persists.  Wash clothing before reuse.  Discard items which cannot be decontaminated, including leather articles such as shoes, belts and watchbands.  Safety shower should be located in immediate work area.  

Inhalation: Move person to fresh air.  If not breathing, give artificial respiration; if by mouth to mouth use rescuer protection (pocket mask, etc).  If breathing is difficult, oxygen should be administered by qualified personnel.  Call a physician or transport to a medical facility.  

Ingestion: Do not induce vomiting. Give one cup (8 ounces or 240 ml) of water or milk if available and transport to a medical facility. Do not give anything by mouth unless the person is fully conscious.  

Notes to Physician: Maintain adequate ventilation and oxygenation of the patient.  If burn is present, treat as any thermal burn, after decontamination.  Due to irritant properties, swallowing may result in burns/ulceration of mouth, stomach and lower gastrointestinal tract with subsequent stricture. Aspiration of vomitus may cause lung injury. Suggest endotracheal/esophageal control if lavage is done.  No specific antidote.  Treatment of exposure should be directed at the control of symptoms and the clinical condition of the patient.  

Emergency Personnel Protection: First Aid responders should pay attention to self-protection and use the recommended protective clothing (chemical resistant gloves, splash protection).  

Fire-fighting measures

Extinguishing Media: Water fog or fine spray.  Dry chemical fire extinguishers.  Carbon dioxide fire extinguishers.  Foam.  Do not use direct water stream.  Straight or direct water streams may not be effective to extinguish fire.  Alcohol resistant foams (ATC type) are preferred. General purpose synthetic foams (including AFFF) or protein foams may function, but will be less effective.  

Fire Fighting Procedures: Keep people away.  Isolate fire and deny unnecessary entry.  Stay upwind.  Keep out of low areas where gases (fumes) can accumulate.  Water may not be effective in extinguishing fire.  Use water spray to cool fire exposed containers and fire affected zone until fire is out and danger of reignition has passed.  Fight fire from protected location or safe distance. Consider the use of unmanned hose holders or monitor nozzles.  Do not use direct water stream.  May spread fire.  Eliminate ignition sources.  Move container from fire area if this is possible without hazard.  Burning liquids may be moved by flushing with water to protect personnel and minimize property damage.  

Special Protective Equipment for Firefighters: Wear positive-pressure self-contained breathing apparatus (SCBA) and protective fire fighting clothing (includes fire fighting helmet, coat, trousers, boots, and gloves).  Avoid contact with this material during fire fighting operations. If contact is likely, change to full chemical resistant fire fighting clothing with self-contained breathing apparatus.  If this is not available, wear full chemical resistant clothing with self-contained breathing apparatus and fight fire from a remote location.  

Unusual Fire and Explosion Hazards: Container may vent and/or rupture due to fire.  Electrically ground and bond all equipment.  Flammable mixtures of this product are readily ignited even by static discharge.  Vapors are heavier than air and may travel a long distance and accumulate in low lying areas. Ignition and/or flash back may occur.  Flammable mixtures may exist within the vapor space of containers at room temperature.

Hazardous Combustion Products: During a fire, smoke may contain the original material in addition to combustion products of varying composition which may be toxic and/or irritating.  Combustion products may include and are not limited to:  Carbon monoxide.  Carbon dioxide.  

Accidental release measures

Steps to be Taken if Material is Released or Spilled: Small spills:  Absorb with materials such as:  Sand.  Sawdust.  Large spills:  Dike area to contain spill.  Contain spilled material if possible.  Pump with explosion-proof equipment.  If available, use foam to smother or suppress.  Collect in suitable and properly labeled containers.  

Personal Precautions: Evacuate area.  Keep unnecessary and unprotected personnel from entering the area.  Keep personnel out of low areas.  Keep upwind of spill.  Ventilate area of leak or spill.  Eliminate all sources of ignition in vicinity of spill or released vapor to avoid fire or explosion.  Vapor explosion hazard.  Keep out of sewers.  For large spills, warn public of downwind explosion hazard.  Check area with combustible gas detector before reentering area. Ground and bond all containers and handling equipment. Use appropriate safety equipment.

Environmental Precautions: Prevent from entering into soil, ditches, sewers, waterways and/or groundwater.

Handling and storage

General Handling: Keep away from heat, sparks and flame.  Do not get on skin or clothing.  Do not swallow.  Avoid contact with eyes.  Avoid prolonged or repeated contact with skin.  Avoid breathing vapor.  Keep container closed.  Use only with adequate ventilation.  Wash thoroughly after handling.  Never use air pressure for transferring product.  No smoking, open flames or sources of ignition in handling and storage area.  Vapors are heavier than air and may travel a long distance and accumulate in low lying areas. Ignition and/or flash back may occur.  Electrically bond and ground all containers and equipment before transfer or use of material.  Containers, even those that have been emptied, can contain vapors. Do not cut, drill, grind, weld, or perform similar operations on or near empty containers.  Use of non-sparking or explosion-proof equipment may be necessary, depending upon the type of operation.  

Storage

Minimize sources of ignition, such as static build-up, heat, spark or flame.  Keep container closed.  Store in a dry place.  Avoid moisture.  Maintain inhibitor and dissolved oxygen level. Do not purge containers of this material with nitrogen.  Recommended inhibitor level is:  10 to 20 ppm.  Recommended oxygen level is:  5 to 8 vol. %.  If storage is prolonged, the inhibitor concentration should be tested at least every 60 days.  Flammable mixtures may exist within the vapor space of containers at room temperature.  Uninhibited monomer vapors can polymerize and plug relief devices.  Store away from incompatible materials. See STABILITY AND REACTIVITY section.  Store in the following material(s):  Glass-lined container.  Opaque HDPE plastic container.  Stainless steel.  Aluminum.  Carbon steel.  Do not store in:  Translucent container. Shelf life:  Use within  12 Months.

Transport information

Land transport (UN RTDG/ADR/RID)

UN number:

UN1919

Shipping information

Proper shipping name and description:

METHYL ACRYLATE, STABILIZED

Chemical name:

Methyl acrylate

Language:

English

Labels:

Class 3 (flammable)

SpecialProvisions

Inland waterway transport (UN RTDG/ADN(R))

UN number:

UN1919

Shipping information

Proper shipping name and description:

METHYL ACRYLATE, STABILIZED

Chemical name:

Methyl acrylate

Language:

English

Labels:

Class 3 (flammable)

Remarks

Marine transport (UN RTDG/IMDG)

UN number:

UN1919

Shipping information

Proper shipping name and description:

METHYL ACRYLATE, STABILIZED

Chemical name:

Methyl acrylate / 2-Propenoic Acid, methyl ester

Labels:

Class 3 (flammable)

Remarks

Air transport (UN RTDG/ICAO/IATA)

UN number:

UN1919

Shipping information

Proper shipping name and description:

METHYL ACRYLATE, STABILIZED

Chemical name:

Methyl acrylate / 2-Propenoic Acid, methyl ester

Labels:

Class 3 (flammable)

Special provisions / remarks

Remarks:

Cargo Packing Instruction: 307
Passenger Packing Instruction: 305

SpecialProvisions

Exposure controls / personal protection

Eye/Face Protection: Use chemical goggles.  Chemical goggles should be consistent with EN 166 or equivalent.  Eye wash fountain should be located in immediate work area.  If exposure causes eye discomfort, use a full-face respirator.  

Skin Protection: Use protective clothing chemically resistant to this material.  Selection of specific items such as face shield, boots, apron, or full body suit will depend on the task.  Safety shower should be located in immediate work area.  Remove contaminated clothing immediately, wash skin area with soap and water, and launder clothing before reuse or dispose of properly.  Items which cannot be decontaminated, such as shoes, belts and watchbands, should be removed and disposed of properly.  

Hand protection: Use chemical resistant gloves classified under Standard EN374: Protective gloves against chemicals and micro-organisms.  Examples of preferred glove barrier materials include:  Polyethylene.  Chlorinated polyethylene.  Styrene/butadiene rubber.  Polyvinyl alcohol ("PVA").  Ethyl vinyl alcohol laminate ("EVAL").  Examples of acceptable glove barrier materials include:  Viton.  Butyl rubber.  Natural rubber ("latex").  Polyvinyl chloride ("PVC" or "vinyl").  Nitrile/butadiene rubber ("nitrile" or "NBR").  When prolonged or frequently repeated contact may occur, a glove with a protection class of 5 or higher (breakthrough time greater than 240 minutes according to EN 374) is recommended.  When only brief contact is expected, a glove with a protection class of 3 or higher (breakthrough time greater  than 60 minutes according to EN 374) is recommended.  NOTICE: The selection of a specific glove for a particular application and duration of use in a workplace should also take into account all relevant workplace factors such as, but not limited to: Other chemicals which may be handled, physical requirements (cut/puncture protection, dexterity, thermal protection), potential body reactions to glove materials, as well as the instructions/specifications provided by the glove supplier.  

Respiratory Protection: Respiratory protection should be worn when there is a potential to exceed the exposure limit requirements or guidelines.  If there are no applicable exposure limit requirements or guidelines, use an approved respirator.  When respiratory protection is required, use an approved positive-pressure self-contained breathing apparatus or positive-pressure airline with auxiliary self-contained air supply.  For emergency conditions, use an approved positive-pressure self-contained breathing apparatus.  In confined or poorly ventilated areas, use an approved self-contained breathing apparatus or positive pressure air line with auxiliary self-contained air supply.    

Ingestion: Avoid ingestion of even very small amounts; do not consume or store food or tobacco in the work area; wash hands and face before smoking or eating.  

Engineering Controls

Ventilation: Use engineering controls to maintain airborne level below exposure limit requirements or guidelines.  If there are no applicable exposure limit requirements or guidelines, use only in enclosed systems or with local exhaust ventilation.  Exhaust systems should be designed to move the air away from the source of vapor/aerosol generation and people working at this point.  Lethal concentrations may exist in areas with poor ventilation.  

Stability and reactivity

Stable under recommended storage conditions. Unstable at elevated temperatures.  Hygroscopic.  

Conditions to Avoid: Avoid temperatures above 38 °C.  Exposure to elevated temperatures can cause product to decompose.  Avoid static discharge.  Avoid moisture.  Do not blanket or purge with an inert gas to avoid depleting the oxygen concentration.  Avoid direct sunlight.  

Inhibitor: Mequinol; 4-methoxyphenol; hydroquinone monomethyl ether.  Inhibitor Concentration (ppm):  10 - 400

Inhibitor: Phenothiazine.  Inhibitor Concentration (ppm):  1

Incompatible Materials: Avoid contact with oxidizing materials.  Avoid contact with:  Alcohols.  Aldehydes.  Amines.  Free radical initiators.  Halides.  Mineral acids.  Peroxides.  Strong inorganic bases.  Avoid contact with metals such as:  Brass.  Copper.  Avoid unintended contact with:  Activated carbon.  Aluminum oxide.  Silica gel.  Avoid contact with absorbent materials such as:  Cellulose-based absorbents.  Clay-based absorbents.  Avoid unintended contact with peroxides.  

Hazardous Polymerization

Can occur.  Elevated temperatures can cause hazardous polymerization.  The inhibitor used with this monomer can separate if product becomes frozen.  Polymerization can be catalyzed by:  Absence of air.  Free radical initiators.  High temperature.  Peroxides.  Presence of water can accelerate rate of polymerization.  Uninhibited monomer vapors can polymerize and plug relief devices.  

Thermal Decomposition

Decomposition products depend upon temperature, air supply and the presence of other materials.  

Disposal considerations

This product, when being disposed of in its unused and uncontaminated state should be treated as a hazardous waste according to EC Directive 91/689/EEC.  Any disposal practices must be in compliance with all national and provincial laws and any municipal or local by-laws governing hazardous waste.  For used, contaminated and residual materials additional evaluations may be required.  Do not dump into any sewers, on the ground, or into any body of water.