SDS PDF 2017 Duralay II Liquid

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3. 3 of 7 Duralay II Liquid concentration causes cyanosis. This is reversed spontaneously after termination of exposure. Treat cyanosis with supportive measures such as bed rest and oxygen inhalation. Thorough cleanse the entire contaminated area of the body . If extensive cyanosis is present, treat with methylene blue and vitamin B12. Section 5 - Fire Fighting Measures Suitable Extinguishing Media: Chemical (alcohol - resistant) foam, dry chemical or carbon dioxide. Unsuitable Extinguishing Media: Water s pra y or water stream may not be effective. Specific Hazards Arising from the Chemical: H igh temperatures, inhibitor depletion, accidental impurities, or exposure to radiation or oxidizers may cause spontaneous polymerizing reaction generating heat/pressu re. Closed containers may rupture or explode during a runaway polymerization. This product is a flammable liquid. Vapors of this product are heavier than air and may travel to a source of ignition and flash back to a leaking or open container. Vapor fo rm s an explosive mixture with air. Hazardous Combustion Products: Acrid smoke - fumes/carbon monoxide/carbon dioxide and perhaps other toxic vapors may be released during a fire involving this product. Special Fire Fighting Procedures: Use a water spray or fog to reduce or direct vapors, and keep containers cool. Water may not be effective in actually extinguishing a fire involving this product. Do not enter fire area without proper protection. Fight fire from a safe location. Stru ctural firefighters must wear SCBA and full protective equipment. Heat/impurities may cause pressure to build and/or rupture closed containers, spreading fire, increasing risk of burns/injuries. Protective Equipment and Precautions for Firefighters: Wea r self - contained breathing apparatus for firefighting if necessary. Do not enter fire area without proper protection . Fight fire from a safe distance/protected location. Heat/impurities may increase temperature/build pressure/rupture closed containers, spreading fire, increasing risk of burns/injuries. Use water spray to cool unopened containers. Pressure relief system may plug with solids creating risk of overpressure. Section 6 - Accidental Release Measures Personal Precautions, Protective Equipm ent and Emergency Procedures Personal Precautions: Before cleaning any spill or leak, individuals must wear appropriate Personal protective Equipment that is specified is section 8. Deny entry to all unprotected individuals. Remove any contaminated clothing and wash thoroughly before reuse. Environmental Precautions: Extinguish all ignition sources. Keep spills and cleaning runsoffs out of municipal sewers and open bodies of water. May contaminate water supplies/be harmful to aquatic organisms. May cause l ong - term adverse effects in the aquatic environment. US Regulations (CERCLA) require re p orting spills and releases to soil, water and air in excess of reportable quantities. The toll free number for th e US Coast Guard National Res p onse Center is (800) 434 - 8802 . Methods and Material for Containment and Cleaning UP Methods for Containment : Prevent further l eakage or spillage if safe to do so. Dike and contain spill with inert material (e.g. sand or earth). May contaminate water supply. Methods for Cleaning Up: Maximize ventilation (open doors and windows) and secure all sources of igniti on. Use good, local ventilation with a minimum capture

4. 4 of 7 Duralay II Liquid velocity of 100 ft/min (30 m/min) at point of product release. Place into appropriate closed container(s) for disposal in accordance with local, state and federal regulations. Wash all affected areas with plenty of warm water and soap. Clean up materials maybe a RCRA hazardous waste, a hazardous waste determination should be done by qualified personnel. Section 7 - Handling and Storage Precautions for safe Handling Advice on Safe Handling: Keep away from heat, sparks, and flame. Keep container closed after each use. Do NOT use localized heat source such as band heaters to heat/melt product. Do NOT use steam. Hot boxes or hot rooms are r ecommended for heating the product, which can be set at a maximum temperature of 60 ° C/140°F . Avoid contact with skin, eyes and clothing. Use good personal hygiene and housekeep ing. After use, wash hands a n d exposed skin with soap and w ater. Do not eat, drink, or smoke while handling product. Observe precautions found on lavel. Ground and bond all containers when transferring. Refer to Section 8 for suggested exposure controls and personal protection. Observe p recautions found on label. Conditions for Safe Storage, Including any Incompatibilities Storage Conditions: Store container in a cool, dry location, away from direct sunlight, heat, sparks, flame, other light sources, or sources of intense heat. Store in accordance with National Fire Protection Association recommendations. Check inhibitor levels periodically, adding to the bulk material if needed. Do not blanket or mix with oxygen - free gas as it renders the inhibitor ineffective. Vapors are uninhibited and may form polymers in vents or flame arresters, resulting in blockage of vents. Product residue may remain in empty containers. Observe all label precautions until the container is cleaned, reconditioned, or destroyed. Incompatible Materials: Strong oxidizers, strong reducers, f r ee radical initiators, inert gases, oxygen scavengers. Section 8 - Exposure Controls, Personal Protection Chemical Name OSHA – Exposure Limits ACGIH Exposure Limits Other Exposure Limits METHYL METHACRYLATE 80 - 62 - 6 100 ppm TWA; 410 mg/m3 TWA 100 ppm STEL 50 ppm TWA NIOSH: 100 ppm TWA; 410 mg/m3 TWA 2 - Hydroxyethyl Methacrylate (HEMA) 868 - 77 - 9 Ethyl Methacrylate 97 - 63 - 2 Dimethyltolylamine 99 - 97 - 8 Triethyleneglycol Dimethacrylate 109 - 16 - 0

6. 6 of 7 Duralay II Liquid Incompatible Materials: Strong oxidiz er s, strong reducers, free radical initiat ors, inert gases, oxygen scavengers. Material has str o ng solvent properties and can soften paint and rubber. Hazardous Decomposition Products: Oxides of Carbon Possibility of Hazardous Reactions: Hazardous polymerization may occur. Section 11 - Toxicological Information Mixture Toxicity Inhalation Toxicity: 37 mg/L Component T oxicity 99 - 97 - 8 Dimethyltolylam i ne Oral: 1,650 mg/kg (Rat) Dermal: 500 mg/kg (Rat) Inhalation: 1,400 mg/m3 (Rat) Routes of Exposure: Ingestion Target Organs: Eyes, Skin and Respiratory System Effects of Overexposure Product Conponents Listed as Carcinogenic CAS N umber Description % Weight Carcinogen Rating 99 - 97 - 8 Dimethyltolylam i ne 1 to 5 % Dimethyltolylam i ne: DMPT is known to the State of California to be a carcinogen and is a Prop 65 listed chemical. DMPT is a liseted carcinogen by NTP. DMPT is not listed as a carcinogen by IARC and ACGIH. Section 12 - Ecological Information Component Ecotoxicity Methyl Methacrylate : 96 Hr LC50 Pimephales promelas: 243 - 275 mg/L [flow - through]; 96 Hr LC50 Pimephales promelas: 125.5 - 190.7 mg/L [static]; 96 Hr LC50 Lepomis macrochirus: 170 - 206 mg/L [flow - through]; 96 Hr LC50 Lepomis macrochirus: 153.9 - 341.8 mg/L [static]; 96 Hr LC50 Oncorhynchus mykiss: >79 mg/L [flowthrough]; 96 Hr LC50 Oncorhynchus mykiss: >79 mg/L [static]; 96 Hr LC50 Poecilia reticu lata: 326.4 - 426.9 mg/L [static] 48 Hr EC50 Daphnia magna: 69 mg/L 96 Hr EC50 Pseudokirchneriella subcapitata: 170 mg/L . 2 - Hydroxyethyl Methacrylate (HEMA): 96 Hr LC50 Pimephales promelas : 213 - 242 mg/L (flow - through); 96 Hr LC50 Pimepha les promelas: 227 mg/L. Dimethyltolylamine: 96 HR LC50 Pimephales promelas: 42 - 50.5 mg/L (flow through). Section 13 - Disposal Considerations Waste Treatment Methods Disposal of Wastes It is the responsibility of the generator to determine at the tim e of disposal whether this product meets the criteria of a hazardous waste. When discarded as shipped it is a hazardous waste by the EPA under RCRA. After addition of excess inhibitor, dispose waste material in accordance with federal, state and

5. 5 of 7 Duralay II Liquid Engineering Controls : Use local explosion - proof ventilation that is adequate to keep employee exposure to airborne concentrations below exposure limits. Please refer to the ACGIH document, Industrial Ventilation, A Manual of Recommended Practices, most recent edition, for details. Personnel Protective Equipment (PPE) Respirato ry Protection: A respirator should be worn whenever workplace conditi o ns warrant a respirators use. None required if airborne concentrations are maintained below the exposure limit listed above. If necessary, use only respiratory pr otection authorized per U.S. OSHA’s requirement in 29 CFR § 1910.134 or other appropriate govening standard. Eye/Face Protection: Wear safety glasses, chemical goggles when splashing is possible, when dealing with this material . If necessary, refer to U.S. Osha 29 CFR § 1910.133, or other appropriate governing standard. Ensure that an eyewash station, sink or washbasin is available in case of exposure to eyes. Skin and Body Protection Complete suit protecting agains chemicals, the type of protective equipment must be selected according to the concentration and amount of the dangerous substance at the specific workplace. Handle with gloves. Gloves must be inspected pri or to use. Use proper glove removal technique (without touching glove’s outer surface) to avoid skin contact with this product. Dispose of contaminated gloves after use in accordance with applicable laws and good laboratory pract ices. Wash and dry hands. Full Contact: Splash Contact: Material: Nitrile rubber Material: Nitrile rubber Minimum layer thickness: 0.4 mm Minimum layer thickness: 0.11 mm Break through time: 480 min Break through time: 120 min General Hygiene Condsiderations: H andle in accordance with good industrial hygiene and safety practice. Wash thoroughly after handling. An eyewash station and a safety shower are recommended. Food, beverages, and tobacco products should not be carried, stored o r consumed where this material is in use. Wash hands thoroughly before eating, drinking, or smoking. Section 9 - Physical and Chemical Properties Evaporation Rate Specific Gravity: 1.189621611 Physical State: Liquid Flash Point: 54 F, 12C Boiling Range (low - high): 67 C Appearance: Clear Odor: Acrid Odor Flammable Limit (Air Volume%, 0% Lowwer/Upper): Section 10 - Stability and Reactivity Note: Materials listed as stable may become unstable up on depletion of inhibitors (such as mequinol or hydroquinone), contact the manufacturer for exact levels and instruction on inhibitor maintenance. Material stability: Stable

7. 7 of 7 Duralay II Liquid local re gulations. Waste disposal options include landfilling solids at permitted sites. Incinerate in a chemical incinerator equipped with an afterburner and scrubber. Use registered transporters. Contaminated Packaging Reuse of empty drums or containers is not recommended. Employees should be advised of the potential hazards, due to residual flammable material, associated with empty containers. Dispose of all empty containers properly, in accordance with Federal, State and Local regulations Section 14 - Transpo rt Information Agency Proper Shipping Name UN Number Packing Group Hazard Class DOT FLAMMABLE LIQUID, NOS (Methyl Methacrylate UN1247 II 3 Monomer; RQ: 1000lbs IATA FLAMMABLE LIQUID, NOS (Methyl Methacrylate UN1247 II 3 Monomer IMDG FLAMMABLE LIQUID, NOS (Methyl Methacrylate UN1247 II 3 Monomer Section 15 - Regulatory Information State of California Safe Drinking Water and Toxic Enforcement Act of 1986 (Proposition 65 ) : WARNING! This product contains the following chemicals which are listed by the State of California as carcinogenic or a reproductive toxin: 99 - 97 - 8 Dimethylolylamine 1 to 5 % Carcinogen SARA 313: Methyl Methacrylate 80 - 62 - 6 US State Right - to - Know Regulations: None Country Regulation All Components Listed Canada DSL Yes EINECS Yes SARA Hazard categories No TSCA Inventory Yes Section 16 - Additional Information Hazardous Material Information System (HMIS) Rating HEALTH 2 FLAMMABILITY 3 PHYSICAL HAZARD 2 PERSONAL PROTECTION B National Fire Protection Association (NFPA) HMIS & NFPA Hazard Rating HEALTH 2 FLAMMABILITY 3 INSTABILITY 2 HMIS & NFPA Hazard Rating * = Chronic Health Hazard 0 = INSIGNIFICANT 3 = HIGH 1 = SLIGHT B = Gloves and Safety Glasses or Chemical Goggles 2 = MODERATE The information above is believed to be accurate and represents the best information currently available to us. However, we make no warranty of merchantability or any other warranty, express or implied, with respect to such information, and we assume no liability resulting from its use. Users should make their own investigations to determine the suitability of the information for th eir particular purposes. In no event shall Reliance Dental Mfg. Co. be liable for any claims, losses, or damages of any third party or for lost profits or any special, indirect, incidental, consequential or exemplary damages, howsoever arising, even if user has been advised of the possibility of such damages. Revised October 2, 2017

1. 1 of 7 Duralay II Liquid Safety Data Sheet Section 1 - Chemical Product and Company Identification Product Name: Duralay II Liquid Company Identification: Reliance Dental Mfg., LLC. 5805 W. 117 th Place Alsip, IL 60803 For Product Information, call: 708 - 597 - 6694 For Medical Information, call: 800 - 535 - 5053 Section 2 - Hazards Identification Classification of the substance or mixture Hazard Class – Phy sical, Health, environmental Category Flammable Liquid 2 Skin Corrosion/Irritation 2 Eye Damage/Irritation 2A Skin sensitizer 1 Carcinogenicity 2 Label Elements - Pictograms, Signal Word, Hazard Statements, Precautionary Statements, & Supplemental Information Signal Word: Danger Hazard Statements Precautionary Statements – Prevention, Response, Disposal H225 Highly flammable liquid and vapor P201 Obtain special instructions before use H315 Causes skin irritation P202 Do not handle until all safety precautions have been read and understood H317 May cause an allergic skin reaction P210 Keep away from heat/sparks/open flames/hot surfaces - No Smoking H 351 Suspected of causing cancer P233 Keep container tightly closed P240 Ground and bond container and receiving equipment P241 Use explosion - proof electrical/ventilating/light/.../equipment P242 Use only non - sparking tools P243 Take precautionary measures against static discharge P261 Avoid breathing dust/fume/gas/mist/vapors/spray P264 Wash hands and exposed skin thoroughly after handling P272 Contaminated work clothing should not be allowed out of the workplace P280 Wear protective gloves/protective clothing/eye protection/face protection P281 Use personal protective equipment as required P321 Specific treatment (see....on this label) P362 Take off contaminated clothing and wash before reuse P363 Wash contaminated clothing before reuse P302+P352 IF ON SKIN - Wash with soap and water P303+P361 IF ON SKIN (or hair): Remove/Take off immediately all + P353 contaminated clothing. Rinse skin with water /shower P30 5 +P3 51 IF IN EYES : Rinse continuously with water for several minutes. +P338 Remove contact lenses if present and easy to do – continue rinsing P308+P313 IF exposed or concerned: Get medical advice/attention P332+P313 If skin irritation occurs: Get medical advice/attention P333+P313 If skin irritation or a rash occurs: Get medical advice/attention P337+P313 Get medical advise/attention P370+P378 In case of fire: Use CO2 for extinction

2. 2 of 7 Duralay II Liquid P405 Store locked up P403+P235 Store in a well ventilated place. Keep cool P501 Dispose of contents/container to an authorized disposal facility Section 3 - Composition, Information on Ingredients Hazardous Components Case No. Percent GHS Ratings Methyl Methacrylate 80 - 62 - 6 70 - 80 Skin Corrosion/Irritation(H315) Skin Sensitizer (H317) Specific Target Organ Toxicity – Single Exposure (H335) 2 1 3 2 - Hydroxyeltyl Methacrylate (HEMA) 868 - 77 - 9 5 – 10 Skin Corrosion/Irritation(H315) Eye Damage/Irritation (H319) Skin Sensitizer (H317) 2 2 A 1 Ethyl Methacrylate 97 - 63 - 2 5 - 10 Skin Corrosion/Irritation(H315) Eye Damage/Irritation (H319) Skin Sensitizer (H317) Specific Target Organ Toxicity – Single Exposure (H335) 2 2 A 1 3 Dimethyltolylamine 99 - 97 - 8 1 - 5 Oral Toxicity Acute Tox. (H301) Dermal Toxicity Acute Tox. (H311) Inhalation Toxicity Acute Tox (H331) Carcinogenicity (H351) Skin Corrosion/Irritation(H315) Specific Target Organ Toxicity – Repeated Exposure(H373) Aquatic Toxicity (H412) 3 3 3 2 2 C 3 Triethyleneglycol Dimethacrylate 109 - 16 - 0 1 – 5 Skin Sensitizer (H317) 1 *Component names ma y have been omitted to protect c onfidential business information (CBI) in compliance with OSHA GHS HCS § 1910.1200 Appendix E. Section 4 - First Aid Measures General Advice: Provide the SDS to medical personnel for treatment Inhalation: Remove victim to fresh air. Seek immediate medical attention. Eye Contact: If product gets in the eyes, flush with lukewarm water for at least 15 minutes. If irritation occurs, contact a physician. Skin Contact: Rinse thoroughly with lukewarm water, followed by a thorough washing of the affected area with soap and water . If irritation, redness or swelling persists, contact a physician immediately. Clothing : Remove contaminated clothing, wash thoroughly before reuse. Ingestion: If ingested, do not induce vomiting. If product has been swallowed, drink plenty of water or milk IMMEDIATELY. If the patient is vomiting, continue to offer water or milk. Never give anything by mouth to an unconscious person. Provide an estimate of the time at which the materials was ingested and the amount of the subs tance that was swallowed. Get medical attention immediately. Notes to Physician: This product contain n,n - Dimethyl - p - Toluidine at a low concentration (does not meet criteria for reporting in section 3). While complications from this component are not expected, the presence of this material in the body leads to formation of methemoglobi n, which in sufficient

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