# Samarium cobalt SDS – Avocado Research Chemicals Ltd\. \(Part of Thermo Fisher Scientific\) Text extracted from the original PDF. Tables, images, symbols and OCR may differ. Check the original PDF for safety information. - **Document title:** Samarium cobalt SDS – Avocado Research Chemicals Ltd\. \(Part of Thermo Fisher Scientific\) - **Publisher:** Avocado Research Chemicals Ltd\. \(Part of Thermo Fisher Scientific\) - **Material:** Samarium cobalt - **CAS number:** 12017\-68\-4 - **Product code / grade:** ALFAA42732 - **Document type:** SDS - **Original language:** English - **Region:** United Kingdom - **Revision date:** 27\-Jul\-2026 - **Page count:** 8 - **Original filename:** thermofisher\-ALFAA42732\-Samarium\-EN\.pdf - **RESDS page:** https://resds\.com/document/samarium\-cobalt\-sds\-avocado\-research\-chemicals\-ltd\-part\-of\-thermo\-fisher\-en\-b2b9da1b85 - **Original PDF:** https://resds\.com/pdf/samarium\-cobalt\-sds\-avocado\-research\-chemicals\-ltd\-part\-of\-thermo\-fisher\-en\-b2b9da1b85\.pdf - **Source URL:** https://assets\.thermofisher\.com/DirectWebViewer/private/results\.aspx?LANGUAGE=d\_\_EN&PLANT=d\_\_ALF&SKU=ALFAA42732&SUBFORMAT=d\_\_CGV4&page=NewSearch - **Description:** Collected by RESDS\. Original publisher PDF retained\. Original manufacturer safety data sheet for Samarium cobalt\. Product number: ALFAA42732\. Original revision: 27\-Jul\-2026\. Published under the file\-level authorization confirmed by the user for the frozen 1,125\-file manifest\. ## Page 1 ```text Page 1 / 8 SAFETY DATA SHEET Revision Date 27-Jul-2026 Version 6 ALFAA42732 Samarium cobalt 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: 钴钐合金钴钐合金钴钐合金钴钐合金 Product Description: Samarium cobalt Cat No. : 42732 CAS No 12017-68-4 Molecular Formula SmCo5 , Intermetallic, Magnet Alloy Additive 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 Solid No information available Odorless Emergency Overview Flammable solid. May cause an allergic skin reaction. May cause allergy or asthma symptoms or breathing difficulties if inhaled. Moisture sensitive. Air sensitive. Classification of the substance or mixture Flammable solids. Category 2 Respiratory Sensitization Category 1 Skin Sensitization Category 1 Label Elements Signal Word Danger ______________________________________________________________________________________________ Page 1 ``` ## Page 2 ```text ALFAA42732 SAFETY DATA SHEET Revision Date 27-Jul-2026Page 2 / 8 Samarium cobalt ______________________________________________________________________________________________ Hazard Statements H228 - Flammable solid H317 - May cause an allergic skin reaction H334 - May cause allergy or asthma symptoms or breathing difficulties if inhaled Precautionary Statements Prevention P201 - Obtain special instructions before use P202 - Do not handle until all safety precautions have been read and understood P210 - Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking P240 - Ground and bond container and receiving equipment P261 - Avoid breathing dust/fume/gas/mist/vapors/spray P272 - Contaminated work clothing should not be allowed out of the workplace P280 - Wear protective gloves P284 - In case of inadequate ventilation wear respiratory protection Response P302 + P352 - IF ON SKIN: Wash with plenty of soap and water P304 + P341 - IF INHALED: If breathing is difficult, remove victim to fresh air and keep at rest in a position comfortable for breathing P308 + P313 - IF exposed or concerned: Get medical advice/attention P342 + P311 - If experiencing respiratory symptoms: Call a POISON CENTER or doctor P370 + P378 - In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish P362 + P364 - Take off contaminated clothing and wash it before reuse Storage P403 - Store in a well-ventilated place Disposal P501 - Dispose of contents/ container to an approved waste disposal plant Physical and Chemical Hazards Combustible material. Health Hazards May cause an allergic skin reaction. May cause allergy or asthma symptoms or breathing difficulties if inhaled. Environmental hazards Contains no substances known to be hazardous to the environment or not degradable in waste water treatment plants. Is not likely mobile in the environment due its low water solubility. Spillage unlikely to penetrate soil. This product does not contain any known or suspected endocrine disruptors. SECTION 3. COMPOSITION/INFORMATION ON INGREDIENTS Component CAS No Weight % Cobalt, compound with samarium (5:1) 12017-68-4 <=100 SECTION 4. FIRST AID MEASURES General Advice If symptoms persist, call a physician. 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. If skin irritation persists, call a physician. Inhalation Remove to fresh air. If not breathing, give artificial respiration. Get medical attention if symptoms occur. Ingestion Clean mouth with water and drink afterwards plenty of water. Get medical attention if symptoms occur. ______________________________________________________________________________________________ Page 2 ``` ## Page 3 ```text ALFAA42732 SAFETY DATA SHEET Revision Date 27-Jul-2026Page 3 / 8 Samarium cobalt ______________________________________________________________________________________________ Most important symptoms and effects May cause allergy or asthma symptoms or breathing difficulties if inhaled. May cause allergic skin reaction. Symptoms of allergic reaction may include rash, itching, swelling, trouble breathing, tingling of the hands and feet, dizziness, lightheadedness, chest pain, muscle pain or flushing Self-Protection of the First Aider No special precautions required. Notes to Physician Treat symptomatically. SECTION 5. FIRE-FIGHTING MEASURES Suitable Extinguishing Media approved class D extinguishers. Do not use water or foam. 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. See Section 12 for additional Ecological Information. Do not allow material to contaminate ground water system. Do not flush into surface water or sanitary sewer system. Methods for Containment and Clean Up Sweep up and shovel into suitable containers for disposal. Keep in suitable, closed containers for disposal. 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 ingestion and inhalation. Avoid dust formation. Do not get in eyes, on skin, or on clothing. Storage Keep container tightly closed in a dry and well-ventilated place. Specific Use(s) Use in laboratories SECTION 8. EXPOSURE CONTROLS/PERSONAL PROTECTION Control Parameters ______________________________________________________________________________________________ Page 3 ``` ## Page 4 ```text ALFAA42732 SAFETY DATA SHEET Revision Date 27-Jul-2026Page 4 / 8 Samarium cobalt ______________________________________________________________________________________________ Component China ACGIH TLV OSHA PEL NIOSH Cobalt, compound with - TWA: 0.02 mg/m3 samarium (5:1) Component Hong Kong Thailand European Union The United Kingdom Cobalt, compound with - STEL: 0.3 mg/m3 15 min samarium (5:1) TWA: 0.1 mg/m3 8 hr Resp. Sens. Legend ACGIH - American Conference of Governmental Industrial Hygienists Monitoring methods BS EN 14042:2003 Title Identifier: Workplace atmospheres. Guide for the application and use of procedures for the assessment of exposure to chemical and biological agents. MDHS14/3 General methods for sampling and gravimetric analysis of respirable and inhalable dust MDHS 91 Metals and metalloids in workplace air by X-ray fluorescence spectrometry MDHS 99 Metals in air by ICP-AES Exposure Controls Engineering Measures None under normal use conditions. . Personal protective equipment Eye Protection Wear safety glasses with side shields (or 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 ______________________________________________________________________________________________ Page 4 ``` ## Page 5 ```text ALFAA42732 SAFETY DATA SHEET Revision Date 27-Jul-2026Page 5 / 8 Samarium cobalt ______________________________________________________________________________________________ Appearance Physical State Solid Odor Odorless Odor Threshold No data available pH No information available Melting Point/Range 1325 °C / 2417 °F Softening Point No data available Boiling Point/Range No information available Flash Point No information available Method - No information available Evaporation Rate Not applicable Solid Flammability (solid,gas) No information available Explosion Limits No data available Vapor Pressure No data available Vapor Density Not applicable Solid Specific Gravity / Density No data available Bulk Density No data available Water Solubility Insoluble in water Solubility in other solvents No information available Partition Coefficient (n-octanol/water) Autoignition Temperature No data available Decomposition Temperature No data available Viscosity Not applicable Solid Explosive Properties No information available Oxidizing Properties No information available Molecular Formula SmCo5 , Intermetallic, Magnet Alloy Additive SECTION 10. STABILITY AND REACTIVITY Stability Air sensitive. Moisture sensitive. Hazardous Reactions None under normal processing. Hazardous Polymerization No information available. Conditions to Avoid None known. Materials to avoid Oxidizing agent. Hazardous Decomposition Products Samarium oxide. Cobalt oxides. SECTION 11. TOXICOLOGICAL INFORMATION Product Information (a) acute toxicity; (b) skin corrosion/irritation; No data available (c) serious eye damage/irritation; No data available (d) respiratory or skin sensitization; Respiratory Category 1 Skin Category 1 May cause sensitization by skin contact ______________________________________________________________________________________________ Page 5 ``` ## Page 6 ```text ALFAA42732 SAFETY DATA SHEET Revision Date 27-Jul-2026Page 6 / 8 Samarium cobalt ______________________________________________________________________________________________ (e) germ cell mutagenicity; No data available (f) carcinogenicity; No data available There are no known carcinogenic chemicals in this product (g) reproductive toxicity; No data available (h) STOT-single exposure; No data available (i) STOT-repeated exposure; No data available Target Organs No information available. (j) aspiration hazard; Not applicable Solid Symptoms / effects,both acute and Symptoms of allergic reaction may include rash, itching, swelling, trouble breathing, tingling delayed of the hands and feet, dizziness, lightheadedness, chest pain, muscle pain or flushing SECTION 12. ECOLOGICAL INFORMATION Ecotoxicity effects May cause long-term adverse effects in the environment. Do not allow material to contaminate ground water system. Persistence and Degradability Product contains heavy metals. Discharge into the environment must be avoided. Special pre-treatment is necessary Persistence Insoluble in water, May persist. Degradability Not relevant for inorganic substances. Degradation in sewage Contains substances known to be hazardous to the environment or not degradable in waste treatment plant water treatment plants. Bioaccumulative Potential May have some potential to bioaccumulate; Product has a high potential to bioconcentrate Mobility in soil Spillage unlikely to penetrate soil Is not likely mobile in the environment due its low water solubility 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. Empty containers retain product residue, (liquid and/or vapor), and can be dangerous. Keep product and empty container away from heat and sources of ignition. ______________________________________________________________________________________________ Page 6 ``` ## Page 7 ```text ALFAA42732 SAFETY DATA SHEET Revision Date 27-Jul-2026Page 7 / 8 Samarium cobalt ______________________________________________________________________________________________ Other Information Waste codes should be assigned by the user based on the application for which the product was used. Do not flush to sewer. Can be landfilled or incinerated, when in compliance with local regulations. SECTION 14. TRANSPORT INFORMATION Road and Rail Transport UN-No UN3089 Proper Shipping Name Metal powder, flammable, n.o.s. Technical Shipping Name (Samarium cobalt) Hazard Class 4.1 Packing Group III IMDG/IMO UN-No UN3089 Proper Shipping Name Metal powder, flammable, n.o.s. Technical Shipping Name (Samarium cobalt) Hazard Class 4.1 Packing Group III IATA UN-No UN3089 Proper Shipping Name Metal powder, flammable, n.o.s. Technical Shipping Name (Samarium cobalt) Hazard Class 4.1 Packing Group III Special Precautions for User No special precautions required SECTION 15. REGULATORY INFORMATION Measures on the Environmental Administration of New Chemical Substances Registration Registration/Notification number B1A222254247 Downstream users need to comply with the conditions of safe use of the chemical, understand the environmental and health hazard and risk management measures identified on the SDS as well as the local/national regulations concerning the chemical. 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) Cobalt, compound with - - - 234-625-7 X - - - - KE-06088 samarium (5:1) National Regulations SECTION 16. OTHER INFORMATION ______________________________________________________________________________________________ Page 7 ``` ## Page 8 ```text ALFAA42732 SAFETY DATA SHEET Revision Date 27-Jul-2026Page 8 / 8 Samarium cobalt ______________________________________________________________________________________________ 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 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 ```