Magnesium-25 SDS

Safety Data Sheet for Magnesium Oxide, Enriched Magnesium Oxide According to ISO 11014:2010 First Print Date: 5-Mar-2015 Revision Date: 16-Aug-2019 Version: 1.1.1. Safety Data Sheet (SDS) for Magnesium Oxide, Enriched Magnesium Oxide https://www.buyisotope.com Page 1/9

Section 1: Identification of the Substance/Mixture and of the Company/Undertaking

Product Identifier: Identification as on the label/Trade name: Magnesium Oxide, Enriched Magnesium Oxide. Molecular weight: 40.31 Chemical formula: MgO Synonyms: Akro-mag, Animag, Calcined brucite, Calcined magnesia, Calcined magnesite, Granmag, Magcal, Magchem 100, Maglite, Magnesia, Magnesia USTA, Magnesium oxide fume, Magnezu tlenek (Polish), Magox, Magox 85, Magox 90, Magox 95, Magox 98, Magox OP, Marmag, Oxymag, Periclase, Seawater magnesia. Details of the supplier of the Safety Data Sheet: Neonest AB Storgatan 70C, Solna SE-17152 Sweden Contact details: +46-76-219-9731 24-hour Emergency Contact: Swedish Poisons Centre Phone: 112 - Ask for Poisons Information, 112 – begär Giftinformation . Other International Contacts: CHEMTREC 24-hour: +1-703-741-5500 (US + Worldwide) NHS: 111 (UK) Charite: +49 30 450 531 000 (Netherlands) INTCF: +34 917689800 (Spain) CapTv: +33 1 40 05 48 48 (France)

Section 2: Hazards Identification

Classification of the substances or mixture: The mixture is classified according to: Regulation EC 1272/2008 [EU-GHS/CLP] Hazard classes/Hazard categories: Hazard statement: Not classified as hazardous. None required. Label elements: Hazard pictograms: Not required. Signal Words: Not required. Hazard Statements: Not required. Precautionary Statements: None. Other hazards: None known.

Safety Data Sheet for Magnesium Oxide, Enriched Magnesium Oxide According to ISO 11014:2010 First Print Date: 5-Mar-2015 Revision Date: 16-Aug-2019 Version: 1.1.1. Safety Data Sheet (SDS) for Magnesium Oxide, Enriched Magnesium Oxide https://www.buyisotope.com Page 2/9

Section 3: Composition/Information on Ingredients

Substance/Mixture: Substance. Ingredients: Substance name (IUPAC/EC) CAS - No. Molecular weight Concentration % by weight Classification EC1272/2008 EC - No. Magnesium oxide 1309-48-4 40.31 >99% Not Classified. 215-171-9 For explanation of abbreviations see Section 16.

Section 4: First - Aid Measures

Description of first aid measures: In case of inhalation: Material may be irritating to mucous membranes and upper respiratory tract; may be harmful if inhaled. In case of skin contact: May cause skin irritation. In case of eye contact: May cause eye irritation. In case of ingestion: May be harmful if swallowed. Most important symptoms and effects, both acute and delayed: Inhalation: If inhaled, remove to fresh air. If breathing becomes difficult, call a physician. Eyes: In case of contact with eyes, flush with copious amounts of water for at least 15 minutes. Assure adequate flushing by separating the eyelids with fingers. Call a physician. Skin contact: In case of contact, immediately wash skin with soap and copious amounts of water. Ingestion: If swallowed, wash out mouth with water provided person is conscious. Call a physician. Indication of any immediate medical attention and special treatment needed: Treat symptomatically. Show this safety data sheet to a physician or emergency room.

Section 5: Fire - Fighting Measures

Extinguisher media: Suitable extinguisher media: Water spray, carbon dioxide, dry chemical powder, or appropriate foam. Unsuitable extinguishing media: None known. Special hazards arising from the mixture: Emits toxic fumes under fire conditions. Advice for fire-fighters: Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes. Further information: Standard procedure for chemical fires. Use extinguishing measures that are appropriate to local circumstances and the surrounding environment.

Safety Data Sheet for Magnesium Oxide, Enriched Magnesium Oxide According to ISO 11014:2010 First Print Date: 5-Mar-2015 Revision Date: 16-Aug-2019 Version: 1.1.1. Safety Data Sheet (SDS) for Magnesium Oxide, Enriched Magnesium Oxide https://www.buyisotope.com Page 3/9

Section 6: Accidental Release Measures

Personal precautions, protective equipment and emergency procedures: Personal precautions: Exercise appropriate precautions to minimize direct contact with skin or eyes and prevent inhalation of dust. Environmental precautions: Prevent product from entering drains. Prevent further leakage or spillage if safe to do so. Local authorities should be advised if significant spillages cannot be contained. Methods for containment and cleaning up: Methods for cleaning up: Sweep up, place in a bag and hold for waste disposal. Avoid raising dust. Ventilate area and wash spill site after material pickup is complete. Reference to other sections: Treat recovered material as described in the section "Disposal considerations".

Section 7: Handling and Storage

Precautions for safe handling: Advice on safe handling: User Exposure: Avoid inhalation. Avoid contact with eyes, skin, and clothing. Avoid prolonged or repeated exposure. Hygiene measures: Do not eat, drink or smoke when using this product. Conditions for safe storage, including incompatibilities: Requirements for storage areas and containers: Keep tightly closed in a dry and well-ventilated place. Air and moisture sensitive.

Section 8: Exposure Controls/ Personal Protection

Control parameters: Occupational exposure limits: Exposure Limits, RTECS: Country Type Value USA ACGIH TWA 10 mg/m 3 USA MSHA Standard-air TWA 10 mg/m 3 (FUME) USA OSHA PEL 8H TWA 15 mg/m 3 New Zealand OEL Exposure controls: Appropriate engineering controls: Safety shower and eye bath. Mechanical exhaust required. Individual protection measures, such as personal protective equipment: Eye/face protection: Chemical safety goggles. Hand protection: Use chemical resistant gloves. Examples of preferred glove barrier materials include: Butyl rubber, Neoprene, Nitrile/butadiene rubber, Polyethylene, Ethyl vinyl alcohol laminate, polyvinyl alcohol, Polyvinyl chloride. Body protection: Wear appropriate protective clothing to prevent skin exposure. Respiratory protection: Wear dust mask.

Safety Data Sheet for Magnesium Oxide, Enriched Magnesium Oxide According to ISO 11014:2010 First Print Date: 5-Mar-2015 Revision Date: 16-Aug-2019 Version: 1.1.1. Safety Data Sheet (SDS) for Magnesium Oxide, Enriched Magnesium Oxide https://www.buyisotope.com Page 4/9

Section 9: Physical and Chemical Properties

Information on basic physical and chemical properties Appearance (form): Solid (powder). Colour: White. Odour: No data available. Odour threshold: No data available. Molecular Weight: 40.31 pH (concentration): No data available. Melting point/range (° C): 2800 °C Boiling point/range (° C): 3600 °C Freezing point (°C): No data available. Flash point (° C): No data available. Evaporation rate: No data available. Flammability (solid, gas): No data available. Ignition temperature (° C): No data available. Upper/lower flammability/explosive limits: No data available. Vapour pressure (20 ° C): No data available Vapour density: No data available. Relative densi ty (25 ° C): 3.58 g/cm 3 Water solubility (g/L ) at 20 ° C: Insoluble. n-Octanol/Water partition coefficient : No data available. Auto-ignition temperature: No data available. Decomposition temperature: No data available. Viscosity, dynamic (mPa s): No data available. Explosive properties: The substance or mixture is not classified as explosive. Oxidising properties: The substance or mixture is not classified as oxidizing.

Section 10: Stability and Reactivity

Reactivity: No dangerous reaction known under conditions of normal use. Chemical stability: Stable under normal conditions. Possibility of hazardous reactions: No dangerous reaction known under conditions of normal use. Conditions to avoid: Air - sensitive . Incompatible materials: Strong oxidizing agents. May react violently on mixing with phosphorous pentachloride, chlorine trifluoride, or bromine pentafluoride. Hazardous decomposition products: Carbon monoxide, carbon dioxide.

Section 11: Toxicological Information

Information on toxicological effects: Skin Contact: May cause skin irritation. Skin Absorption: May be harmful if absorbed through the skin. Eye Contact: May cause eye irritation. Inhalation: Material may be irritating to mucous membranes and upper respiratory tract; may be harmful if inhaled. Ingestion: May be harmful if swallowed.

Safety Data Sheet for Magnesium Oxide, Enriched Magnesium Oxide According to ISO 11014:2010 First Print Date: 5-Mar-2015 Revision Date: 16-Aug-2019 Version: 1.1.1. Safety Data Sheet (SDS) for Magnesium Oxide, Enriched Magnesium Oxide https://www.buyisotope.com Page 5/9 Classification according to GHS (1272/2008/EG, CLP) Skin corrosion/irritation: Not classified based on available information. Serious eye damage/eye irritation: Not classified based on available information. Respiratory or skin sensitisation: Not classified based on available information. Germ cell mutagenicity: Not classified based on available information. Carcinogenicity: IARC: No component of this product present at levels greater than or equal to 0.1% is identified as a probable, possible or confirmed human carcinogen by IARC. NTP: No component of this product present at levels greater than or equal to 0.1% is identified as a known or anticipated carcinogen by NTP. OSHA: No component of this product present at levels greater than or equal to 0.1% is identified as a carcinogen or potential carcinogen by OSHA. Reproductive toxicity: Not classified based on available information. Specific target organ toxicity – single exposure (STOT): Not classified based on available information. Specific target organ toxicity (STOT) – repeated exposure: Not classified based on available information. Aspiration toxicity: Not classified based on available information.

Section 12: Ecological Information

Toxicity: No data available. Persistence and degradability: No data available. Bioaccumulative potential: No data available. Mobility in soil: No data available. Results of PBT& vPvB assessment: Not relevant. Other adverse effects: No data available.

Section 13: Disposal Considerations

Waste treatment methods: Contact a licensed professional waste disposal service to dispose of this material. Dissolve or mix the material with a combustible solvent and burn in a chemical incinerator equipped with an afterburner and scrubber. Observe all local and national environmental regulations.

Section 14: Transport Information

UN number: Not regulated as a dangerous good. UN proper shipping name: Not regulated as a dangerous good. Transport hazard class(es): Not regulated as a dangerous good. Packing group: Not regulated as a dangerous good. Environmental hazards: Not regulated as a dangerous good.

Safety Data Sheet for Magnesium Oxide, Enriched Magnesium Oxide According to ISO 11014:2010 First Print Date: 5-Mar-2015 Revision Date: 16-Aug-2019 Version: 1.1.1. Safety Data Sheet (SDS) for Magnesium Oxide, Enriched Magnesium Oxide https://www.buyisotope.com Page 6/9 Special precautions for user: Not dangerous goods in the meaning of ADR/RID, ADN, IMDG-Code, ICAO/IATA-DGR. Transport in bulk according to Annex II of Marpol and the IBC Code: Not applicable.

Section 15: Regulatory Information

EU regulations: Regulation (EC) No. 1005/2009 on substances that deplete the ozone layer, Annex I and II, as amended Not listed. Regulation (EC) No. 850/2004 on persistent organic pollutants, Annex I Not listed. Regulation (EU) No. 649/2012 concerning the export and import of dangerous chemicals, Annex I, Part 1 as amended Not listed. Regulation (EU) No. 649/2012 concerning the export and import of dangerous chemicals, Annex I, Part 2 as amended Not listed. Regulation (EU) No. 649/2012 concerning the export and import of dangerous chemicals, Annex I, Part 3 as amended Not listed. Regulation (EU) No. 649/2012 concerning the export and import of dangerous chemicals, Annex V as amended Not listed. Regulation (EC) No. 166/2006 Annex II Pollutant Release and Transfer Registry Not listed. Regulation (EC) No. 1907/2006, REACH Article 59(10) Candidate List as currently published by ECHA Not listed. Authorisations: Regulation (EC) No. 1907/2006, REACH Annex XIV Substances subject to authorization, as amended Not listed. Restrictions on use: Regulation (EC) No. 1907/2006 Annex XVII Substances subject to restriction on marketing and use Not regulated. Regulation (EC) No. 1907/2006, REACH Annex XVII Substances subject to restriction on marketing and use as amended Not listed. Directive 2004/37/EC on the protection of workers from the risks related to exposure to carcinogens and mutagens at work Not regulated. Directive 92/85/EEC: on the safety and health of pregnant workers and workers who have recently given birth or are breastfeeding. Not regulated. Other EU regulations: Directive 2012/18/EU on major accident hazards involving dangerous substances Not listed.

Safety Data Sheet for Magnesium Oxide, Enriched Magnesium Oxide According to ISO 11014:2010 First Print Date: 5-Mar-2015 Revision Date: 16-Aug-2019 Version: 1.1.1. Safety Data Sheet (SDS) for Magnesium Oxide, Enriched Magnesium Oxide https://www.buyisotope.com Page 7/9 Directive 98/24/EC on the protection of the health and safety of workers from the risks related to chemical agents at work. Always applicable. Directive 94/33/EC on the protection of young people at work Not listed. Other regulations: The product is classified and labelled in accordance with EC directives or respective national laws. This Safety Data Sheet complies with the requirements of Regulation (EC) No 1907/2006, as amended. SARA 302 Components: No chemicals in this material are subject to the reporting requirements of SARA Title III,

Section 302.

SARA 313 Components: This material does not contain any chemical components with known CAS numbers that exceed the threshold (De Minimis) reporting levels established by SARA Title III, Section 313. SARA 311/312 Hazards: No SARA Hazards. Massachusetts Right to Know Components: Magnesium oxide / CAS No. 1309-48-4 / Revision Date March 1, 2007 Pennsylvania Right to Know Components: Magnesium oxide / CAS No. 1309-48-4 / Revision Date March 1, 2007 New Jersey Right to Know Components: Magnesium oxide / CAS No. 1309-48-4 / Revision Date March 1, 2007 California Prop. 65 Components: This product does not contain any chemicals known to the State of California to cause cancer, birth defects, or any other reproductive harm. National regulations: Follow national regulation for work with chemical agents. Chemical safety assessment: No Chemical Safety Assessment has been carried out.

Section 16: Other Information

List of abbreviations: ACGIH American Conference of Governmental Industrial Hygienists ADR European Agreement Concerning the International Carriage of Dangerous Goods by Road ALARA As Low As Is Reasonably Achievable AMU Atomic Mass Unit ANSI American National Standards Institute BLS Basic Life Support CAM Continuous Air Monitor CAS Chemical Abstracts Service (division of the American Chemical Society) CEN European Committee for Standardization CERCLA Comprehensive Environmental Response Compensation and Liability Act CLP Classification, Labelling and Packaging (European Union) CPR Controlled Products Regulations (Canada) CWA Clean Water Act (USA) DAC Derived Air Concentration (USA) DOE United States Department of Energy (USA) DOT United States Department of Transportation (USA) DSL Domestic Substances List (Canada) EC50 Half Maximal Effective Concentration EINECS European Inventory of Existing Commercial Chemical Substances EHS Environmentally Hazardous Substance ELINCS European List of Notified Chemical Substances EMS Emergency Response Procedures for Ships Carrying Dangerous Goods EPA Environmental Protection Agency (USA)

Safety Data Sheet for Magnesium Oxide, Enriched Magnesium Oxide According to ISO 11014:2010 First Print Date: 5-Mar-2015 Revision Date: 16-Aug-2019 Version: 1.1.1. Safety Data Sheet (SDS) for Magnesium Oxide, Enriched Magnesium Oxide https://www.buyisotope.com Page 8/9 EPCRA Emergency Planning and Community Right-To-Know Act (EPCRA) of 1986 GHS Globally Harmonized System HMIS Hazardous Materials Identification System (USA) IARC International Agency for Research on Cancer IATA International Air Transport Association IBC Intermediate Bulk Containers ICAO International Civil Aviation Organization IDLH Immediately Dangerous to Life or Health IMDG International Maritime Code for Dangerous Goods LC50 Lethal concentration, 50 percent LD50 Lethal dose, 50 percent LDLO Lethal Dose Low LOEC Lowest-Observed-Effective Concentration MARPOL International Convention for the Prevention of Pollution from Ships MSHA Mine Safety and Health Administration (USA) NCRP National Council on Radiation Protection & Measurements (USA) NDSL Non-Domestic Substances List (Canada) NFPA National Fire Protection Association (USA) NIOSH National Institute for Occupational Safety and Health (USA) NOEC No Observed Effect Concentration N.O.S. Not Otherwise Specified NRC Nuclear Regulatory Commission (USA) NTP National Toxicology Program (USA) OSHA Occupational Safety and Health Administration (USA) PBT Persistent Bioaccumulative and Toxic Chemical PEL Permissible Exposure Limit PIH Poisonous by Inhalation Hazard RCRA Resource Conservation and Recovery Act (USA) RCT Radiation Control Technician REACH Registration, Evaluation, Authorisation and Restriction of Chemicals (Europe) RID Regulations Concerning the International Transport of Dangerous Goods by Rail RTECS Registry of Toxic Effects of Chemical Substances SARA Superfund Amendments and Reauthorization Act (USA) TDG Transportation of Dangerous Goods (Canada) TIH Toxic by Inhalation Hazard TLV Threshold Limit Value TPQ Threshold Planning Quantity TSCA Toxic Substances Control Act TWA Time Weighted Average UN United Nations (Number) VOC Volatile Organic Compound vPvB Very Persistent Very Bioaccumulative Chemical WGK Wassergefährdungsklassen (Germany: Water Hazard Classes) WHMIS Workplace Hazardous Materials Information System References: Not available. Full text of any H-statements not written out in full under Sections 2 to 15:

Safety Data Sheet for Magnesium Oxide, Enriched Magnesium Oxide According to ISO 11014:2010 First Print Date: 5-Mar-2015 Revision Date: 16-Aug-2019 Version: 1.1.1. Safety Data Sheet (SDS) for Magnesium Oxide, Enriched Magnesium Oxide https://www.buyisotope.com Page 9/9 None. Revision information: None. Training information: Follow training instructions when handling this material. Further Information: The information provided in this Safety Data Sheet is correct to the best of our knowledge, information and belief at the date of its publication. The information given is designed only as a guidance for safe handling, use, processing, storage, transportation, disposal and release and is not to be considered a warranty or quality specification. The information relates only to the specific material designated and may not be valid for such material used in combination with any other materials or in any process, unless specified in the text.