SAFETY DATA SHEET This safety data sheet was created pursuant to the requirements of: US OSHA Hazard Communication Standard 2024 (29 CFR 1910.1200) Creation Date 06-Nov-2010 Revision Date 19-Dec-2025 Revision Number 7 1. Identification Product Name Lithium Cat No. : AC211440000; AC211440250; AC211442500 CAS No 7439-93-2 Synonyms Lithium metal; Lithium element Recommended Use Laboratory chemicals. Uses advised against Food, drug, pesticide or biocidal product use. Details of the supplier of the safety data sheet 2. Hazard(s) identification Classification This chemical is considered hazardous according to [US] OSHA (29 CFR 1910.1200, 2024) Label Elements Signal Word Danger Hazard Statements In contact with water releases flammable gases which may ignite spontaneously Causes severe skin burns and eye damage Company Fisher Scientific Company One Reagent Lane Fair Lawn, NJ 07410 Tel: (201) 796-7100 Acros Organics One Reagent Lane Fair Lawn, NJ 07410 Emergency Telephone Number For information US call: 001-800-227-6701 / Europe call: +32 14 57 52 11 Emergency Number US:001-201-796-7100 / Europe: +32 14 57 52 99 CHEMTREC Tel. No. US:001-800-424-9300 / Europe:001-703-527-3887 Skin Corrosion/Irritation Category 1 B Serious Eye Damage/Eye Irritation Category 1 Substances/mixtures which, in contact with water, emit flammable gases Category 1 ______________________________________________________________________________________________ Page 1 / 9

______________________________________________________________________________________________ Lithium Revision Date 19-Dec-2025 Precautionary Statements Prevention Do not breathe dust/fume/gas/mist/vapors/spray Wash face, hands and any exposed skin thoroughly after handling Wear protective gloves/protective clothing/eye protection/face protection Do not allow contact with water Handle and store contents under inert gas. Protect from moisture Response Immediately call a POISON CENTER or doctor Inhalation IF INHALED: Remove person to fresh air and keep comfortable for breathing Skin IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower Take off contaminated clothing and wash before reuse IF ON SKIN: Brush off loose particles from skin. Immerse in cool water or wrap in wet bandages Eyes IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing Ingestion IF SWALLOWED: Rinse mouth. DO NOT induce vomiting Fire In case of fire: Use CO2, dry chemical, or foam to extinguish Storage Store locked up Store in a dry place. Store in a closed container Disposal Dispose of contents/container to an approved waste disposal plant Hazards not otherwise classified (HNOC) None identified Hazards classified under paragraph (d)(1)(ii) of 1910.1200 Hazards resulting from a reaction with other chemicals under normal conditions of use Produce flammable gases on contact with water. 3. Composition/information on Ingredients Component CAS No Weight % Lithium 7439-93-2 >95 4. First-aid measures Eye Contact Immediate medical attention is required. Rinse immediately with plenty of water, also under the eyelids, for at least 15 minutes. Skin Contact Wash off immediately with soap and plenty of water while removing all contaminated clothes and shoes. Immediate medical attention is required. ______________________________________________________________________________________________ Page 2 / 9

______________________________________________________________________________________________ Lithium Revision Date 19-Dec-2025 Inhalation Remove to fresh air. If breathing is difficult, give oxygen. Immediate medical attention is required. Do not use mouth-to-mouth method if victim ingested or inhaled the substance; give artificial respiration with the aid of a pocket mask equipped with a one-way valve or other proper respiratory medical device. Ingestion Do NOT induce vomiting. Call a physician immediately. Most important symptoms and effects Causes burns by all exposure routes. . Product is a corrosive material. Use of gastric lavage or emesis is contraindicated. Possible perforation of stomach or esophagus should be investigated: Ingestion causes severe swelling, severe damage to the delicate tissue and danger of perforation Notes to Physician Treat symptomatically 5. Fire-fighting measures Suitable Extinguishing Media dry ground dolomite. Unsuitable Extinguishing Media No information available Flash Point No information available Method - No information available Autoignition Temperature 180 °C / 356 °F Explosion Limits Upper No data available Lower No data available Sensitivity to Mechanical Impact No information available Sensitivity to Static Discharge No information available Specific Hazards Arising from the Chemical Water reactive. Produce flammable gases on contact with water. Hazardous Combustion Products Hydrogen. Protective Equipment and Precautions for Firefighters As in any fire, wear self-contained breathing apparatus pressure-demand, MSHA/NIOSH (approved or equivalent) and full protective gear. NFPA 6. Accidental release measures Personal Precautions Avoid contact with skin and eyes. Evacuate personnel to safe areas. Use personal protective equipment as required. Ensure adequate ventilation. ELIMINATE all ignition sources (no smoking, flares, sparks or flames in immediate area). Environmental Precautions See Section 12 for additional Ecological Information. Methods for Containment and Clean Up Pick up and transfer to properly labelled containers. Prevent product from entering drains. 7. Handling and Storage Handling Ensure adequate ventilation. Wear personal protective equipment/face protection. Do not breathe dust. Do not get in eyes, on skin, or on clothing. Take precautionary measures against static discharges. Handle product only in closed system or provide appropriate exhaust ventilation. Health 3 Flammability 3 Instability 2 ______________________________________________________________________________________________ Page 3 / 9 Physical hazards W

______________________________________________________________________________________________ Lithium Revision Date 19-Dec-2025 Storage. Keep in a dry, cool and well-ventilated place. Keep container tightly closed. Store contents under argon. Keep from any possible contact with water. Incompatible Materials. Organic materials. Acids. Halogens. oxygen. nitriles. Metals. Carbon dioxide (CO2). 8. Exposure controls / personal protection Exposure Guidelines This product does not contain any hazardous materials with occupational exposure limitsestablished by the region specific regulatory bodies. 9. Physical and chemical properties Appearance Particle characteristics No data available Engineering Measures Ensure adequate ventilation, especially in confined areas. Ensure that eyewash stations and safety showers are close to the workstation location. Personal Protective Equipment Eye/face Protection Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin and body protection Wear appropriate protective gloves and clothing to prevent skin exposure. Respiratory Protection Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced. Recommended Filter type: Particulates filter conforming to EN 143. Hygiene Measures Handle in accordance with good industrial hygiene and safety practice. Physical State Solid Color Silver Odor Odorless Odor Threshold No information available Property Values Remarks •Method Melting Point/Range 180 °C / 356 °F Softening Point No data available Boiling Point/Range 1340 °C / 2444 °F Flash Point No information available Method - No information available Flammability (liquid) Not applicable Solid Flammability (solid,gas) No information available Explosion Limits No data available Autoignition Temperature 180 °C / 356 °F Decomposition Temperature No data available pH No information available Viscosity Not applicable Solid Water Solubility Reacts violently with water Solubility in other solvents No information available Partition Coefficient (n-octanol/water) Vapor Pressure No data available Density / Specific Gravity No data available Bulk Density No data available Vapor Density Not applicable Solid ______________________________________________________________________________________________ Page 4 / 9

______________________________________________________________________________________________ Lithium Revision Date 19-Dec-2025 Other Information Molecular Formula Li Molecular Weight 6.94 Substances/mixtures which, in contact with water, emit flammable gases Emitted gas ignites spontaneously Gas(es) = Hydrogen Evaporation Rate Not applicable - Solid 10. Stability and reactivity Reactive Hazard Yes Stability Air sensitive. Moisture sensitive. Conditions to Avoid Exposure to air. Incompatible products. Exposure to moist air or water. Incompatible Materials Organic materials, Acids, Halogens, oxygen, nitriles, Metals, Carbon dioxide (CO2) Hazardous Decomposition Products Hydrogen Hazardous Polymerization Hazardous polymerization does not occur. Hazardous Reactions Reacts violently with water, liberating extremely flammable gases. 11. Toxicological information Information on expected route of exposure Inhalation Not an expected route of exposure. Ingestion May be harmful if swallowed. Eyes Avoid contact with eyes. Corrosive to the eyes and may cause severe damage including blindness. Skin Avoid contact with skin. Causes burns. Skin Corrosion/Irritation. Toxicology data for the components Toxicologically Synergistic Products No information available (b) skin corrosion/irritation; Category 1 B (c) serious eye damage/irritation; Category 1 (d) respiratory or skin sensitization; Respiratory Based on available data, the classification criteria are not met Skin Based on available data, the classification criteria are not met (e) germ cell mutagenicity; Based on available data, the classification criteria are not met (f) carcinogenicity; Based on available data, the classification criteria are not met The table below indicates whether each agency has listed any ingredient as a carcinogen Component CAS No IARC NTP ACGIH OSHA Mexico Lithium 7439-93-2 Not listed Not listed Not listed Not listed Not listed ______________________________________________________________________________________________ Page 5 / 9

______________________________________________________________________________________________ Lithium Revision Date 19-Dec-2025 (g) reproductive toxicity; Based on available data, the classification criteria are not met (h) STOT-single exposure; Based on available data, the classification criteria are not met (i) STOT-repeated exposure; Based on available data, the classification criteria are not met Target Organs None known. (j) aspiration hazard; Not applicable Solid Other Adverse Effects See actual entry in RTECS for complete information Symptoms / effects,both acute and delayed Product is a corrosive material. Use of gastric lavage or emesis is contraindicated. Possible perforation of stomach or esophagus should be investigated. Ingestion causes severe swelling, severe damage to the delicate tissue and danger of perforation. Other Adverse Effects See actual entry in RTECS for complete information. Endocrine Disrupting Properties This product does not contain any known or suspected endocrine disruptors. 12. Ecological information Ecotoxicity Reacts with water so no ecotoxicity data for the substance is available. Persistence and Degradability Persistence is unlikely based on information available. Bioaccumulation/ Accumulation No information available. Mobility Is not likely mobile in the environment. 13. Disposal considerations Waste Disposal Methods Chemical waste generators must determine whether a discarded chemical is classified as a hazardous waste. Chemical waste generators must also consult local, regional, and national hazardous waste regulations to ensure complete and accurate classification. 14. Transport information DOT UN-No UN1415 Proper Shipping Name LITHIUM Hazard Class 4.3 Packing Group I TDG UN-No UN1415 Proper Shipping Name LITHIUM Hazard Class 4.3 Packing Group I IATA UN-No UN1415 Proper Shipping Name LITHIUM Hazard Class 4.3 Packing Group I IMDG/IMO ______________________________________________________________________________________________ Page 6 / 9

______________________________________________________________________________________________ Lithium Revision Date 19-Dec-2025 UN-No UN1415 Proper Shipping Name LITHIUM Hazard Class 4.3 Packing Group I 15. Regulatory Information United States of America Inventory Component CAS No TSCA TSCA Inventory notification - Active-Inactive TSCA - EPA Regulatory Flags Lithium 7439-93-2 X ACTIVE - Legend: TSCA US EPA (TSCA) - Toxic Substances Control Act, (40 CFR Part 710) X - Listed '-' - Not Listed TSCA - Per 40 CFR 751, Regulation of Certain Chemical Substances & Mixtures, Under TSCA Section 6(h) (PBT) Not applicable TSCA 12(b) - Notices of Export Not applicable International Inventories Canada (DSL/NDSL), Europe (EINECS/ELINCS/NLP), Philippines (PICCS), Japan (ENCS), Japan (ISHL), Australia (AICS), China (IECSC), Korea (KECL). Component CAS No DSL NDSL EINECS PICCS ENCS ISHL AICS IECSC KECL Lithium 7439-93-2 X - 231-102-5 X X X X KE-22543 KECL - NIER number or KE number (http://ncis.nier.go.kr/en/main.do) U.S. Federal Regulations SARA 313 Section 313 of Title III of the Superfund Amendments and Reauthorization Act of 1986 (SARA). This product does not contain any chemicals which are subject to the reporting requirements of the Act and Title 40 of the Code of Federal Regulations, Part 372 SARA 311/312 Hazard Categories Should this product meet EPCRA 311/312 Tier reporting criteria at 40 CFR 370, refer to Section 2 of this SDS for appropriate classifications. CWA (Clean Water Act) Not applicable Clean Air Act Not applicable OSHA - Occupational Safety and Health Administration Not applicable CERCLA This material, as supplied, does not contain any substances regulated as hazardous substances under the Comprehensive Environmental Response Compensation and Liability Act (CERCLA) (40 CFR 302) or the Superfund Amendments and Reauthorization Act (SARA) (40 CFR 355). There may be specific reporting requirements at the local, regional, or state level pertaining to releases of this material. California Proposition 65 This product does not contain any Proposition 65 chemicals. U.S. State Right-to-Know ______________________________________________________________________________________________ Page 7 / 9

______________________________________________________________________________________________ Lithium Revision Date 19-Dec-2025 Regulations Component Massachusetts New Jersey Pennsylvania Illinois Rhode Island Lithium X X X - X U.S. Department of Transportation Reportable Quantity (RQ): N DOT Marine Pollutant N DOT Severe Marine Pollutant N U.S. Department of Homeland Security This product does not contain any DHS chemicals. Other International Regulations Mexico - Grade No information available Authorisation/Restrictions according to EU REACH Component CAS No REACH (1907/2006) - Annex XIV - Substances Subject to Authorization REACH (1907/2006) - Annex XVII - Restrictions on Certain Dangerous Substances REACH Regulation (EC 1907/2006) article 59 - Candidate List of Substances of Very High Concern (SVHC) Lithium 7439-93-2 - Use restricted. See entry 75. (see link for restriction details) - REACH links https://echa.europa.eu/substances-restricted-under-reach Safety, health and environmental regulations/legislation specific for the substance or mixture Component CAS No OECD HPV Persistent Organic Pollutant Ozone Depletion Potential Restriction of Hazardous Substances (RoHS) Lithium 7439-93-2 Listed Not applicable Not applicable Not applicable Contains component(s) that meet a 'definition' of per & poly fluoroalkyl substance (PFAS)? Not applicable Other International Regulations Component CAS No Seveso III Directive (2012/18/EC) - Qualifying Quantities for Major Accident Notification Seveso III Directive (2012/18/EC) - Qualifying Quantities for Safety Report Requirements Rotterdam Convention (PIC) Basel Convention (Hazardous Waste) Lithium 7439-93-2 Not applicable Not applicable Not applicable Not applicable 16. Other Information Prepared By Product stewardship (Regulatory Affairs) Thermo Fisher Scientific email - begel.sdsdesk@thermofisher.com ______________________________________________________________________________________________ Page 8 / 9

______________________________________________________________________________________________ Lithium Revision Date 19-Dec-2025 Creation Date 06-Nov-2010 Revision Date 19-Dec-2025 Print Date 19-Dec-2025 Revision Summary UpdatedtotheU.S.DepartmentofLabor’sOccupationalSafetyandHealthAdministration (OSHA) which published its Final Rule in the Federal Register revising the Hazard Communication Standard (HCS/HazCom), 29 CFR 1910.1200 (2024) (HCS §1910.1200, 2024), May 20, 2024, effective July 19, 2024. Disclaimer 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 End of SDS ______________________________________________________________________________________________ Page 9 / 9