Thulium(III) fluoride, anhydrous SDS – Avocado Research Chemicals Ltd. (Part of Thermo Fisher Scientific) PAGE 1 Page 1 / 8 SAFETY DATA SHEET Revision Date 27-Jul-2026 Version 5 ALFAA13652 Thulium(III) fluoride, anhydrous SECTION 1. IDENTIFICATION OF THE SUBSTANCE/MIXTURE AND OF THE COMPANY/UNDERTAKING 产品说明:产品说明:产品说明:产品说明: 氟化铥(III)氟化铥(III)氟化铥(III)氟化铥(III) Product Description: Thulium(III) fluoride, anhydrous Cat No. : 13652 CAS No 13760-79-7 Molecular Formula TmF3 Supplier Avocado Research Chemicals Ltd. (Part of Thermo Fisher Scientific) Shore Road, Heysham Lancashire, LA3 2XY, United Kingdom Office Tel: +44 (0) 1524 850506 Office Fax: +44 (0) 1524 850608 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 E-mail address begel.sdsdesk@thermofisher.com Recommended Use Laboratory chemicals. Uses advised against No Information available SECTION 2. HAZARD IDENTIFICATION Physical State Appearance Odor Crystalline No information available No information available Emergency Overview Harmful if swallowed. Harmful in contact with skin. Causes skin irritation. Causes serious eye irritation. Harmful if inhaled. May cause respiratory irritation. Classification of the substance or mixture Acute Oral Toxicity Category 4 Acute Dermal Toxicity Category 4 Acute Inhalation Toxicity - Vapors Category 4 Acute Inhalation Toxicity - Dusts and Mists Category 4 Skin Corrosion/Irritation Category 2 Serious Eye Damage/Eye Irritation Category 2 Specific target organ toxicity - (single exposure) Category 3 Label Elements ______________________________________________________________________________________________ Page 1 PAGE 2 ALFAA13652 SAFETY DATA SHEET Revision Date 27-Jul-2026Page 2 / 8 Thulium(III) fluoride, anhydrous ______________________________________________________________________________________________ Signal Word Warning Hazard Statements H315 - Causes skin irritation H319 - Causes serious eye irritation H335 - May cause respiratory irritation H302 + H312 + H332 - Harmful if swallowed, in contact with skin or if inhaled Precautionary Statements Prevention P261 - Avoid breathing dust/fume/gas/mist/vapors/spray P264 - Wash face, hands and any exposed skin thoroughly after handling P270 - Do not eat, drink or smoke when using this product P271 - Use only outdoors or in a well-ventilated area P280 - Wear protective gloves/protective clothing/eye protection/face protection Response P302 + P352 - IF ON SKIN: Wash with plenty of soap and water P304 + P340 - IF INHALED: Remove person to fresh air and keep comfortable for breathing P305 + P351 + P338 - IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing P312 - Call a POISON CENTER or doctor if you feel unwell P330 - Rinse mouth P362 + P364 - Take off contaminated clothing and wash it before reuse Storage P403 + P233 - Store in a well-ventilated place. Keep container tightly closed Disposal P501 - Dispose of contents/ container to an approved waste disposal plant Physical and Chemical Hazards None identified. Health Hazards Harmful if swallowed. Harmful in contact with skin. Causes skin irritation. Causes serious eye irritation. Harmful if inhaled. May cause respiratory irritation. Environmental hazards Contains no substances known to be hazardous to the environment or not degradable in waste water treatment plants. This product does not contain any known or suspected endocrine disruptors. SECTION 3. COMPOSITION/INFORMATION ON INGREDIENTS Component CAS No Weight % Thulium fluoride (TmF3) 13760-79-7 <=100 SECTION 4. FIRST AID MEASURES Eye Contact Rinse immediately with plenty of water, also under the eyelids, for at least 15 minutes. Get medical attention. Skin Contact Wash off immediately with plenty of water for at least 15 minutes. Get medical attention immediately if symptoms occur. Inhalation ______________________________________________________________________________________________ Page 2 PAGE 3 ALFAA13652 SAFETY DATA SHEET Revision Date 27-Jul-2026Page 3 / 8 Thulium(III) fluoride, anhydrous ______________________________________________________________________________________________ Remove to fresh air. Get medical attention immediately if symptoms occur. Ingestion Clean mouth with water and drink afterwards plenty of water. Get medical attention if symptoms occur. Most important symptoms and effects None reasonably foreseeable. Self-Protection of the First Aider No special precautions required. Notes to Physician Treat symptomatically. SECTION 5. FIRE-FIGHTING MEASURES Suitable Extinguishing Media Use extinguishing measures that are appropriate to local circumstances and the surrounding environment. Extinguishing media which must not be used for safety reasons No information available. Specific Hazards Arising from the Chemical Thermal decomposition can lead to release of irritating gases and vapors. 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. SECTION 6. ACCIDENTAL RELEASE MEASURES Personal Precautions Ensure adequate ventilation. Use personal protective equipment as required. Avoid dust formation. Environmental Precautions Should not be released into the environment. Methods for Containment and Clean Up Sweep up and shovel into suitable containers for disposal. Avoid dust formation. Refer to protective measures listed in Sections 8 and 13. SECTION 7. HANDLING AND STORAGE Handling Wear personal protective equipment/face protection. Ensure adequate ventilation. Avoid contact with skin, eyes or clothing. Avoid ingestion and inhalation. Avoid dust formation. Storage Keep away from water or moist air. Keep away from acids. Store under an inert atmosphere. This product is hygroscopic. Keep container tightly closed in a dry and well-ventilated place. Specific Use(s) Use in laboratories SECTION 8. EXPOSURE CONTROLS/PERSONAL PROTECTION ______________________________________________________________________________________________ Page 3 PAGE 4 ALFAA13652 SAFETY DATA SHEET Revision Date 27-Jul-2026Page 4 / 8 Thulium(III) fluoride, anhydrous ______________________________________________________________________________________________ Control Parameters Component China ACGIH TLV OSHA PEL NIOSH Thulium fluoride (TmF3) - TWA: 2.5 mg/m3 (Vacated) TWA: 2.5 mg/m3 IDLH: 250 mg/m3 Component Hong Kong Thailand European Union The United Kingdom Thulium fluoride (TmF3) - TWA: 2.5 mg/m3 - Legend ACGIH - American Conference of Governmental Industrial Hygienists OSHA - Occupational Safety and Health Administration NIOSH: NIOSH - National Institute for Occupational Safety and Health Exposure Controls Engineering Measures None under normal use conditions. Ensure that eyewash stations and safety showers are close to the workstation location. . Personal protective equipment Eye Protection Goggles (European standard - EN 166) Hand Protection Protective gloves Glove material Breakthrough time Glove thickness EU standard Glove comments Natural rubber See manufacturers - EN 374 (minimum requirement) Nitrile rubber recommendations Neoprene PVC Inspect gloves before use. Please observe the instructions regarding permeability and breakthrough time which are provided by the supplier of the gloves. (Refer to manufacturer/supplier for information) Ensure gloves are suitable for the task: Chemical compatability, Dexterity, Operational conditions, User susceptibility, e.g. sensitisation effects, also take into consideration the specific local conditions under which the product is used, such as the danger of cuts, abrasion. Remove gloves with care avoiding skin contamination. Skin and body protection Long sleeved clothing Respiratory Protection No protective equipment is needed under normal use conditions. Large scale/emergency use Use a NIOSH/MSHA or European Standard EN 136 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced Recommended Filter type: Particle filter Small scale/Laboratory use Maintain adequate ventilation Hygiene Measures Handle in accordance with good industrial hygiene and safety practice. Environmental exposure controls No information available. SECTION 9. PHYSICAL AND CHEMICAL PROPERTIES Appearance Physical State Crystalline Odor No information available Odor Threshold No data available ______________________________________________________________________________________________ Page 4 PAGE 5 ALFAA13652 SAFETY DATA SHEET Revision Date 27-Jul-2026Page 5 / 8 Thulium(III) fluoride, anhydrous ______________________________________________________________________________________________ pH No data available Melting Point/Range No data available Softening Point No data available Boiling Point/Range No data available Flash Point No data available Method - No information available Evaporation Rate No data available Flammability (solid,gas) No information available Explosion Limits No data available Vapor Pressure No data available Vapor Density No data available (Air = 1.0) Specific Gravity / Density No data available Bulk Density No data available Water Solubility No information available Solubility in other solvents No information available Partition Coefficient (n-octanol/water) Autoignition Temperature No data available Decomposition Temperature No data available Viscosity No data available Explosive Properties No information available Oxidizing Properties No information available Molecular Formula TmF3 Molecular Weight 225.93 SECTION 10. STABILITY AND REACTIVITY Stability Stable under normal conditions. Hazardous Reactions None under normal processing. Hazardous Polymerization No information available. Conditions to Avoid None known. Materials to avoid Acids. Water. Hazardous Decomposition Products Gaseous hydrogen fluoride (HF). Metal oxides. SECTION 11. TOXICOLOGICAL INFORMATION Product Information (a) acute toxicity; (b) skin corrosion/irritation; Category 2 (c) serious eye damage/irritation; Category 2 (d) respiratory or skin sensitization; Respiratory No data available Skin No data available (e) germ cell mutagenicity; No data available (f) carcinogenicity; No data available ______________________________________________________________________________________________ Page 5 PAGE 6 ALFAA13652 SAFETY DATA SHEET Revision Date 27-Jul-2026Page 6 / 8 Thulium(III) fluoride, anhydrous ______________________________________________________________________________________________ There are no known carcinogenic chemicals in this product (g) reproductive toxicity; No data available (h) STOT-single exposure; Category 3 Results / Target organs Respiratory system (i) STOT-repeated exposure; No data available Target Organs No information available. (j) aspiration hazard; No data available Symptoms / effects,both acute and No information available delayed SECTION 12. ECOLOGICAL INFORMATION Ecotoxicity effects Contains no substances known to be hazardous to the environment or that are not degradable in waste water treatment plants. Persistence and Degradability No information available Degradability Not relevant for inorganic substances. Bioaccumulative Potential No information available Mobility in soil No information available Endocrine Disruptor Information This product does not contain any known or suspected endocrine disruptors Persistent Organic Pollutant This product does not contain any known or suspected substance Ozone Depletion Potential This product does not contain any known or suspected substance SECTION 13. DISPOSAL CONSIDERATIONS Waste from Residues/Unused Waste is classified as hazardous. Dispose of in accordance with the European Directives Products on waste and hazardous waste. Dispose of in accordance with local regulations. Contaminated Packaging Dispose of this container to hazardous or special waste collection point. Other Information Waste codes should be assigned by the user based on the application for which the product was used. Do not empty into drains. SECTION 14. TRANSPORT INFORMATION Road and Rail Transport UN-No UN3288 Proper Shipping Name Toxic solid, inorganic, n.o.s. Technical Shipping Name Thulium(III) fluoride Hazard Class 6.1 ______________________________________________________________________________________________ Page 6 PAGE 7 ALFAA13652 SAFETY DATA SHEET Revision Date 27-Jul-2026Page 7 / 8 Thulium(III) fluoride, anhydrous ______________________________________________________________________________________________ Packing Group III IMDG/IMO UN-No UN3288 Proper Shipping Name Toxic solid, inorganic, n.o.s. Technical Shipping Name Thulium(III) fluoride Hazard Class 6.1 Packing Group III IATA UN-No UN3288 Proper Shipping Name Toxic solid, inorganic, n.o.s. Technical Shipping Name Thulium(III) fluoride Hazard Class 6.1 Packing Group III Special Precautions for User No special precautions required SECTION 15. REGULATORY INFORMATION International Inventories X = listed, China (IECSC), Europe (EINECS/ELINCS/NLP), U.S.A. (TSCA), Canada (DSL/NDSL), Philippines (PICCS), Japan (ENCS), Japan (ISHL), Australia (AICS), Korea (KECL). Component The List of IECSC EINECS TSCA DSL PICCS ENCS ISHL AICS KECL Inventory of dangerous Hazardous goods GB Chemicals 12268 - (2015 2012 Edition) Thulium fluoride - - X 237-353-7 X - - X X - KE-33834 (TmF3) National Regulations SECTION 16. OTHER INFORMATION Prepared By Health, Safety and Environmental Department Revision Date 27-Jul-2026 Revision Summary Not applicable. Training Advice Chemical hazard awareness training, incorporating labelling, Safety Data Sheets (SDS), Personal Protective Equipment (PPE) and hygiene. Legend CAS - Chemical Abstracts Service TSCA - United States Toxic Substances Control Act Section 8(b) Inventory EINECS/ELINCS - European Inventory of Existing Commercial Chemical DSL/NDSL - Canadian Domestic Substances List/Non-Domestic Substances/EU List of Notified Chemical Substances Substances List PICCS - Philippines Inventory of Chemicals and Chemical Substances ENCS - Japanese Existing and New Chemical Substances IECSC - Chinese Inventory of Existing Chemical Substances AICS - Australian Inventory of Chemical Substances KECL - Korean Existing and Evaluated Chemical Substances NZIoC - New Zealand Inventory of Chemicals ______________________________________________________________________________________________ Page 7 PAGE 8 ALFAA13652 SAFETY DATA SHEET Revision Date 27-Jul-2026Page 8 / 8 Thulium(III) fluoride, anhydrous ______________________________________________________________________________________________ WEL - Workplace Exposure Limit TWA - Time Weighted Average ACGIH - American Conference of Governmental Industrial Hygienists IARC - International Agency for Research on Cancer DNEL - Derived No Effect Level PNEC - Predicted No Effect Concentration RPE - Respiratory Protective Equipment LD50 - Lethal Dose 50% LC50 - Lethal Concentration 50% EC50 - Effective Concentration 50% NOEC - No Observed Effect Concentration POW - Partition coefficient Octanol:Water PBT - Persistent, Bioaccumulative, Toxic vPvB - very Persistent, very Bioaccumulative ICAO/IATA - International Civil Aviation Organization/International Air IMO/IMDG - International Maritime Organization/International Maritime Transport Association Dangerous Goods Code ADR - European Agreement Concerning the International Carriage of MARPOL - International Convention for the Prevention of Pollution from Dangerous Goods by Road Ships OECD - Organisation for Economic Co-operation and Development ATE - Acute Toxicity Estimate BCF - Bioconcentration factor VOC - (Volatile Organic Compound) Key literature references and sources for data https://echa.europa.eu/information-on-chemicals Suppliers safety data sheet, Chemadvisor - LOLI, Merck index, RTECS 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 Safety Data Sheet ______________________________________________________________________________________________ Page 8