# Praseodymium rod 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:** Praseodymium rod SDS – Avocado Research Chemicals Ltd\. \(Part of Thermo Fisher Scientific\) - **Publisher:** Avocado Research Chemicals Ltd\. \(Part of Thermo Fisher Scientific\) - **Material:** Praseodymium rod - **CAS number:** 7440\-10\-0 - **Product code / grade:** ALFAA40296 - **Document type:** SDS - **Original language:** English - **Region:** United Kingdom - **Revision date:** 23\-Jul\-2026 - **Page count:** 7 - **Original filename:** thermofisher\-ALFAA40296\-Praseodymium\-EN\.pdf - **RESDS page:** https://resds\.com/document/praseodymium\-rod\-sds\-avocado\-research\-chemicals\-ltd\-part\-of\-thermo\-fisher\-en\-edcc39975c - **Original PDF:** https://resds\.com/pdf/praseodymium\-rod\-sds\-avocado\-research\-chemicals\-ltd\-part\-of\-thermo\-fisher\-en\-edcc39975c\.pdf - **Source URL:** https://assets\.thermofisher\.com/DirectWebViewer/private/results\.aspx?LANGUAGE=d\_\_EN&PLANT=d\_\_ALF&SKU=ALFAA40296&SUBFORMAT=d\_\_CGV4&page=NewSearch - **Description:** Collected by RESDS\. Original publisher PDF retained\. Original manufacturer safety data sheet for Praseodymium rod\. Product number: ALFAA40296\. Original revision: 23\-Jul\-2026\. Published under the file\-level authorization confirmed by the user for the frozen 1,125\-file manifest\. ## Page 1 ```text Page 1 / 7 SAFETY DATA SHEET Revision Date 23-Jul-2026 Version 5 ALFAA40296 Praseodymium rod 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: 镨棒镨棒镨棒镨棒 Product Description: Praseodymium rod Cat No. : 40296 CAS No 7440-10-0 Molecular Formula Pr 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 Yellow No information available Emergency Overview The product contains no substances which at their given concentration are considered to be hazardous to health. Classification of the substance or mixture Based on available data, the classification criteria are not met Label Elements None required Physical and Chemical Hazards None identified. Health Hazards The product contains no substances which at their given concentration are considered to be hazardous to health. 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. ______________________________________________________________________________________________ Page 1 ``` ## Page 2 ```text ALFAA40296 SAFETY DATA SHEET Revision Date 23-Jul-2026Page 2 / 7 Praseodymium rod ______________________________________________________________________________________________ This product does not contain any known or suspected endocrine disruptors. SECTION 3. COMPOSITION/INFORMATION ON INGREDIENTS Component CAS No Weight % Praseodymium 7440-10-0 <=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 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. ______________________________________________________________________________________________ Page 2 ``` ## Page 3 ```text ALFAA40296 SAFETY DATA SHEET Revision Date 23-Jul-2026Page 3 / 7 Praseodymium rod ______________________________________________________________________________________________ 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 container tightly closed in a dry and well-ventilated place. Specific Use(s) Use in laboratories SECTION 8. EXPOSURE CONTROLS/PERSONAL PROTECTION Control Parameters 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 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 ______________________________________________________________________________________________ Page 3 ``` ## Page 4 ```text ALFAA40296 SAFETY DATA SHEET Revision Date 23-Jul-2026Page 4 / 7 Praseodymium rod ______________________________________________________________________________________________ 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 Yellow Physical State Solid Odor No information available Odor Threshold No data available pH No information available Melting Point/Range 931 °C / 1707.8 °F Softening Point No data available Boiling Point/Range 3512 °C / 6353.6 °F 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 6.772 Bulk Density No data available Water Solubility Insoluble 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 Pr Molecular Weight 14.91 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. Hazardous Decomposition Products Metal fumes and oxides. SECTION 11. TOXICOLOGICAL INFORMATION Product Information (a) acute toxicity; (b) skin corrosion/irritation; No data available ______________________________________________________________________________________________ Page 4 ``` ## Page 5 ```text ALFAA40296 SAFETY DATA SHEET Revision Date 23-Jul-2026Page 5 / 7 Praseodymium rod ______________________________________________________________________________________________ (c) serious eye damage/irritation; No data available (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 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 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 Persistence Insoluble in water. Degradability Not relevant for inorganic substances. Bioaccumulative Potential May have some potential to bioaccumulate 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 Chemical waste generators must determine whether a discarded chemical is classified as a Products hazardous waste. Consult local, regional, and national hazardous waste regulations to ensure complete and accurate classification. ______________________________________________________________________________________________ Page 5 ``` ## Page 6 ```text ALFAA40296 SAFETY DATA SHEET Revision Date 23-Jul-2026Page 6 / 7 Praseodymium rod ______________________________________________________________________________________________ Contaminated Packaging Empty remaining contents. Dispose of in accordance with local regulations. Do not re-use empty containers. Other Information Waste codes should be assigned by the user based on the application for which the product was used. SECTION 14. TRANSPORT INFORMATION Road and Rail Transport Not Regulated IMDG/IMO Not regulated IATA Not regulated 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) Praseodymium - - X 231-120-3 X X - X X - National Regulations SECTION 16. OTHER INFORMATION Prepared By Health, Safety and Environmental Department Revision Date 23-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 6 ``` ## Page 7 ```text ALFAA40296 SAFETY DATA SHEET Revision Date 23-Jul-2026Page 7 / 7 Praseodymium rod ______________________________________________________________________________________________ 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 7 ```