SAFETY DATA SHEET - Comet Chemical

1 Comet Chemical Company Thomas StreetInnisfill, ON, Canada, L9S 3W4 Telephone: (705) 436 5580 dibasic EsterPage 1 of 10 SDS Preparation Date (mm/dd/yyyy): 08/30/2016 SAFETY data SHEETSECTION 1. IDENTIFICATIONP roduct identifier used on the label dibasic Ester:Product Code(s):None use Use pattern: Professional Use Only Recommended restrictions None known.:Recommended use of the Chemical and restrictions on useChemical family:EstersName, address, and telephone number of the supplier: Name, address, and telephone number of the manufacturer: Comet Chemical Company to supplier3463 Thomas StreetInnisfill, ON, CanadaL9S 3W4705-436-5580:Supplier's Telephone #24 Hr. Emergency Tel #:TERRRAPURE ENVIRONMENTAL : 800-567-7455 SECTION 2.

2 HAZARDS IDENTIFICATIONC lassification of the Chemical Clear colourless liquid. Musty odour. This material is classified as hazardous under OSHA regulations (29 CFR ) (Hazcom 2012) and Canadian WHMIS regulations (Hazardous Products Regulations) (WHMIS 2015). Hazard classification :Serious eye damage/eye irritation - Category 2 BLabel elementsSignal WordWarning!Hazard statement(s)Causes eye statement(s)Wash thoroughly after handling. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue eye irritation persists: Get medical hazardsOther hazards which do not result in classification: Ingestion may cause gastrointestinal irritation, nausea, vomiting and be mildly irritating to skin and respiratory Chemical Company Thomas StreetInnisfill, ON, Canada, L9S 3W4 Telephone: (705) 436 5580 dibasic EsterPage 2 of 10 SDS Preparation Date (mm/dd/yyyy): 08/30/2016 SAFETY data SHEETSECTION 3.

3 COMPOSITION/INFORMATION ON INGREDIENTSM ixtureCAS # Chemical nameConcentration (% by weight) Common name and synonyms1119-40-0 Pentanedioic acid, dimethyl - acid dimethyl ester DBE-5 dibasic ester106-65-0 Dimethyl - acid, dimethyl ester Dimethyl butanedioate627-93-0 Dimethyl - acid, dimethyl ester Dimethyl hexanedioateThe % concentrations for the above listed chemicals will vary from batch to batch. Concentrations listed represent the actual concentration range for each 4. FIRST-AID MEASURESD escription of first aid measuresDo NOT induce vomiting. Have victim rinse mouth with water, then give one to two glasses of water to drink. Never give anything by mouth to an unconscious person.

4 Call a physician.:IngestionIf inhaled, move to fresh air. If breathing is difficult, give oxygen by qualified medical personnel only. If breathing has stopped, give artificial respiration. Obtain medical attention if symptoms develop and persist.:InhalationWash off immediately with plenty of water. Remove and wash contaminated clothing before re-use. If irritation or symptoms develop, seek medical contact:Immediately flush eyes with running water for at least 5 to 10 minutes. If irritation persists, seek prompt medical contact:Most important symptoms and effects, both acute and delayed Causes eye irritation. Symptoms may include tearing, redness and discomfort. Direct skin contact may cause slight or mild, transient irritation.

5 Ingestion may cause gastrointestinal irritation, nausea, vomiting and diarrhea.:Indication of any immediate medical attention and special treatment neededTreat symptomatically.:SECTION 5. FIRE-FIGHTING MEASURESE xtinguishing media:Suitable extinguishing mediaUse media suitable to the surrounding fire such as water fog or fine spray, alcohol foams, carbon dioxide and dry Chemical .:Unsuitable extinguishing mediaDo not use a solid water stream as it may scatter and spread may produce irritating, toxic and obnoxious fumes.:Special hazards arising from the substance or mixture / Conditions of flammabilityFlammability classification (OSHA 29 CFR ):Not oxides; .:Hazardous combustion productsSpecial protective equipment and precautions for firefighters Protective equipment for fire-fighters:Firefighters must use standard protective equipment including flame retardant coat, helmet with face shield, gloves, rubber boots, and in enclosed spaces, fire-fighting proceduresComet Chemical Company Thomas StreetInnisfill, ON, Canada, L9S 3W4 Telephone: (705) 436 5580 dibasic EsterPage 3 of 10 SDS Preparation Date (mm/dd/yyyy): 08/30/2016 SAFETY data SHEET :Firefighters should wear proper protective equipment and self-contained breathing apparatus with full face piece operated in positive pressure mode.

6 Move containers from fire area if safe to do so. Water spray may be useful in cooling equipment exposed to heat and access to area until completion of clean-up. Ensure clean-up is conducted by trained personnel only. Wear suitable protective equipment. Refer to protective measures listed in sections 7 and 8. Restrict access to area until completion of precautions, protective equipment and emergency procedures:SECTION 6. ACCIDENTAL RELEASE MEASURESE nsure spilled product does not enter drains, sewers, waterways, or confined precautions:Ventilate area of release. Stop spill or leak at source if safely possible. Dike for water control. Contain and absorb spilled liquid with non-combustible, inert absorbent material ( sand), then place absorbent material into a container for later disposal (see Section 13).

7 :Methods and material for containment and cleaning upSpecial spill response procedures:In case of transportation accident, contact TERRAPURE ENVIRONMENTAL at only in well-ventilated areas. Wear suitable protective equipment during handling. Avoid breathing vapours or mists. Avoid contact with eyes, skin and clothing. Keep away from extreme heat and flame. Keep away from incompatibles. Keep containers tightly closed when not in use. Wash thoroughly after for safe handling:SECTION 7. HANDLING AND STORAGE:Conditions for safe storageStorage area should be clearly identified, clear of obstruction and accessible only to trained and authorized personnel. Store away from incompatible smoking in the area.

8 :Incompatible materialsStrong oxidizers ( Chlorine, Peroxides, etc.).; Strong acids ;Strong alkalis .SECTION 8. EXPOSURE CONTROLS / PERSONAL PROTECTIONE xposure Limits: Chemical Name STELPELSTELTWAACGIH TLV OSHA PELP entanedioic acid, dimethyl esterN/AvN/AvN/AvN/AvDimethyl succinateN/AvN/AvN/AvN/AvDimethyl AdipateN/AvN/AvN/AvN/AvExposure controlsVentilation and engineering measures:Use in a well-ventilated area. Use general or local exhaust ventilation to maintain air concentrations below recommended exposure protection:If airbourne concentrations are above the permissible exposure limit or are not known, use NIOSH-approved respirators. Advice should be sought from respiratory protection impervious to the material are recommended.

9 Advice should be sought from glove suppliers.:Skin protection Comet Chemical Company Thomas StreetInnisfill, ON, Canada, L9S 3W4 Telephone: (705) 436 5580 dibasic EsterPage 4 of 10 SDS Preparation Date (mm/dd/yyyy): 08/30/2016 SAFETY data SHEETS afety glasses with side-shields or Chemical splash goggles, depending on workplace standards.:Eye / face protectionOther protective equipment:Wear sufficient clothing to prevent skin contact. Depending on conditions of use, an impervious apron should be worn. An eyewash station and SAFETY shower should be made available in the immediate working hygiene considerations:Avoid breathing vapour or mist. Avoid contact with skin, eyes and clothing.

10 Wash contaminated clothing before reuse. Do not eat, drink, smoke or use cosmetics while working with this product. Upon completion of work, wash hands before eating, drinking, smoking or use of toilet facilities. Remove soiled clothing and wash it thoroughly before reuse. Handle in accordance with good industrial hygiene and SAFETY colourless liquid.:Appearance SECTION 9. PHYSICAL AND Chemical PROPERTIES:Odour threshold:N/Av:pHN/Av - 20 C (-4 F):Melting/Freezing point 196-225 C ( F):Initial boiling point and boiling rangeFlash point :100 C (212 F)closed cupFlashpoint (Method) :Not available.