# Tris\(cyclopentadienyl\)holmium SDS – Avocado Research Chemicals Ltd\. \(Part of Thermo Fisher Scientific\) 原本PDFから抽出したテキストです。表、画像、記号、OCR結果は原本と異なる場合があります。安全情報は原本PDFで確認してください。 - **文書名:** Tris\(cyclopentadienyl\)holmium SDS – Avocado Research Chemicals Ltd\. \(Part of Thermo Fisher Scientific\) - **発行元:** Avocado Research Chemicals Ltd\. \(Part of Thermo Fisher Scientific\) - **材料:** Tris\(cyclopentadienyl\)holmium - **CAS番号:** 1272\-22\-6 - **製品番号・グレード:** ALFAA44302 - **文書種類:** SDS - **原文の言語:** English - **地域:** United Kingdom - **改訂日:** 27\-Jul\-2026 - **ページ数:** 8 - **原本ファイル名:** thermofisher\-ALFAA44302\-Holmium\-EN\.pdf - **RESDSページ:** https://resds\.com/document/tris\-cyclopentadienyl\-holmium\-sds\-avocado\-research\-chemicals\-ltd\-part\-of\-thermo\-fisher\-en\-25a14dcbf1 - **原本PDF:** https://resds\.com/pdf/tris\-cyclopentadienyl\-holmium\-sds\-avocado\-research\-chemicals\-ltd\-part\-of\-thermo\-fisher\-en\-25a14dcbf1\.pdf - **情報源URL:** https://assets\.thermofisher\.com/DirectWebViewer/private/results\.aspx?LANGUAGE=d\_\_EN&PLANT=d\_\_ALF&SKU=ALFAA44302&SUBFORMAT=d\_\_CGV4&page=NewSearch - **説明:** Collected by RESDS\. Original publisher PDF retained\. Original manufacturer safety data sheet for Tris\(cyclopentadienyl\)holmium\. Product number: ALFAA44302\. Original revision: 27\-Jul\-2026\. Published under the file\-level authorization confirmed by the user for the frozen 1,125\-file manifest\. ## ページ 1 ```text Page 1 / 8 SAFETY DATA SHEET Revision Date 27-Jul-2026 Version 5 ALFAA44302 Tris(cyclopentadienyl)holmium 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: 三(环戊二烯)钬(III)三(环戊二烯)钬(III)三(环戊二烯)钬(III)三(环戊二烯)钬(III) Product Description: Tris(cyclopentadienyl)holmium Cat No. : 44302 CAS No 1272-22-6 Molecular Formula C15 H15 Ho 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 Straw-colored No information available Emergency Overview Flammable solid. Reacts violently with water. Air sensitive. Classification of the substance or mixture Flammable solids. Category 2 Label Elements Signal Word Warning Hazard Statements H228 - Flammable solid ______________________________________________________________________________________________ Page 1 ``` ## ページ 2 ```text ALFAA44302 SAFETY DATA SHEET Revision Date 27-Jul-2026Page 2 / 8 Tris(cyclopentadienyl)holmium ______________________________________________________________________________________________ Precautionary Statements Prevention P210 - Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking P240 - Ground and bond container and receiving equipment P280 - Wear protective gloves/protective clothing/eye protection/face protection Response P370 + P378 - In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish 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. Reacts violently with water. 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. Reacts violently with water. This product does not contain any known or suspected endocrine disruptors. SECTION 3. COMPOSITION/INFORMATION ON INGREDIENTS Component CAS No Weight % Tris(.eta.5-cyclopenta-2,4-dien-1-yl)holmium 1272-22-6 <=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. 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 CO 2, dry chemical, dry sand, alcohol-resistant foam. ______________________________________________________________________________________________ Page 2 ``` ## ページ 3 ```text ALFAA44302 SAFETY DATA SHEET Revision Date 27-Jul-2026Page 3 / 8 Tris(cyclopentadienyl)holmium ______________________________________________________________________________________________ Extinguishing media which must not be used for safety reasons Water. Specific Hazards Arising from the Chemical Reacts violently with water. 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. Methods for Containment and Clean Up Sweep up and shovel into suitable containers for disposal. Keep in suitable, closed containers for disposal. Do not expose spill to water. 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. Do not allow contact with water. Storage Store under an inert atmosphere. Keep away from water or moist air. 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 ______________________________________________________________________________________________ Page 3 ``` ## ページ 4 ```text ALFAA44302 SAFETY DATA SHEET Revision Date 27-Jul-2026Page 4 / 8 Tris(cyclopentadienyl)holmium ______________________________________________________________________________________________ Glove material Breakthrough time Glove thickness EU standard Glove comments Nitrile rubber See manufacturers - EN 374 (minimum requirement) Neoprene recommendations Natural rubber 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 Straw-colored Physical State Solid Odor No information available Odor Threshold No data available pH No information available Melting Point/Range 295 °C / 563 °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 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 Not applicable Solid Explosive Properties No information available Oxidizing Properties No information available Molecular Formula C15 H15 Ho Molecular Weight 360.21 ______________________________________________________________________________________________ Page 4 ``` ## ページ 5 ```text ALFAA44302 SAFETY DATA SHEET Revision Date 27-Jul-2026Page 5 / 8 Tris(cyclopentadienyl)holmium ______________________________________________________________________________________________ SECTION 10. STABILITY AND REACTIVITY Stability Air sensitive. Hazardous Reactions None under normal processing. Reacts violently with water. Hazardous Polymerization No information available. Conditions to Avoid Exposure to moist air or water. Exposure to moisture. Materials to avoid No information available. Hazardous Decomposition Products None under normal use conditions. 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 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. ______________________________________________________________________________________________ Page 5 ``` ## ページ 6 ```text ALFAA44302 SAFETY DATA SHEET Revision Date 27-Jul-2026Page 6 / 8 Tris(cyclopentadienyl)holmium ______________________________________________________________________________________________ Persistence and Degradability No information available 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. 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. 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 UN3181 Proper Shipping Name METAL SALTS OF ORGANIC COMPOUNDS, FLAMMABLE, N.O.S. Technical Shipping Name (Tris(cyclopentadienyl)holmium) Hazard Class 4.1 Packing Group III IMDG/IMO UN-No UN3181 Proper Shipping Name METAL SALTS OF ORGANIC COMPOUNDS, FLAMMABLE, N.O.S. Technical Shipping Name (Tris(cyclopentadienyl)holmium) Hazard Class 4.1 Packing Group III IATA UN-No UN3181 Proper Shipping Name METAL SALTS OF ORGANIC COMPOUNDS, FLAMMABLE, N.O.S.* Technical Shipping Name (Tris(cyclopentadienyl)holmium) Hazard Class 4.1 Packing Group III Special Precautions for User No special precautions required SECTION 15. REGULATORY INFORMATION ______________________________________________________________________________________________ Page 6 ``` ## ページ 7 ```text ALFAA44302 SAFETY DATA SHEET Revision Date 27-Jul-2026Page 7 / 8 Tris(cyclopentadienyl)holmium ______________________________________________________________________________________________ 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) Tris(.eta.5-cyclopenta- - - - 215-047-4 - - - - - - 2,4-dien-1-yl)holmium 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 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 ______________________________________________________________________________________________ Page 7 ``` ## ページ 8 ```text ALFAA44302 SAFETY DATA SHEET Revision Date 27-Jul-2026Page 8 / 8 Tris(cyclopentadienyl)holmium ______________________________________________________________________________________________ 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 ```