エルビウム(III) oxide ALFAA11309 SDS

ページ 1 / 8 SAFETY DATA SHEET 改訂版 Date 23-Jul-2026 Version 7

ALFAA11309

Erbium(III) oxide

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: 氧化铒(III)氧化铒(III)氧化铒(III)氧化铒(III) Product 説明: Erbium(III) oxide

Cat No. : 11309 別名 Dierbium Trioxide; Erbia; Erbium (III) Oxide CAS No 12061-16-4 Molecular Formula Er2O3

供給元 Avocado Research Chemicals Ltd. (Part of Thermo Fisher Scientific) Shore Road, Heysham Lancashire, LA3 2XY, 英国 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

おすすめ Use Laboratory chemicals. Uses advised against No Information available

SECTION 2. HAZARD IDENTIFICATION

Physical State Appearance Odor Powder Solid Light red No information available

Emergency 概要 Very toxic to aquatic life with long lasting effects.

Classification of the substance or mixture

Acute aquatic toxicity Category 1 Chronic aquatic toxicity Category 1

Label 元素s

Signal Word Warning

Hazard Statements ______________________________________________________________________________________________ ページ 1

ALFAA11309 SAFETY DATA SHEET 改訂版 Date 23-Jul-2026ページ 2 / 8 Erbium(III) oxide ______________________________________________________________________________________________ H410 - Very toxic to aquatic life with long lasting effects

Precautionary Statements Storage P403 - Store in a well-ventilated place Disposal P501 - Dispose of contents/ container to an approved waste disposal plant

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 Very toxic to aquatic life with long lasting effects.

This product does not contain any known or suspected endocrine disruptors.

SECTION 3. COMPOSITION/INFORMATION ON INGREDIENTS

Component CAS No Weight % Erbium oxide (Er2O3) 12061-16-4 <=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 Do not allow run-off from fire-fighting to enter drains or water courses.

Protective Equipment and Precautions for Firefighters As in any fire, wear self-contained breathing apparatus pressure-demand, MSHA/NIOSH (approved or equivalent) and full ______________________________________________________________________________________________ ページ 2

ALFAA11309 SAFETY DATA SHEET 改訂版 Date 23-Jul-2026ページ 3 / 8 Erbium(III) oxide ______________________________________________________________________________________________ protective gear.

SECTION 6. ACCIDENTAL RELEASE MEASURES

Personal Precautions Ensure adequate ventilation. Use personal protective equipment as required. Avoid dust formation.

Environmental Precautions Do not flush into surface water or sanitary sewer system. Do not allow material to contaminate ground water system. Prevent product from entering drains. Local authorities should be advised if significant spillages cannot be contained.

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 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. ______________________________________________________________________________________________ ページ 3

ALFAA11309 SAFETY DATA SHEET 改訂版 Date 23-Jul-2026ページ 4 / 8 Erbium(III) oxide ______________________________________________________________________________________________ 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 おすすめ 絞り込み type: Particle filter Particulates filter conforming to EN 143

Small scale/Laboratory use Maintain adequate ventilation Use a NIOSH/MSHA or European Standard EN 149:2001 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced. おすすめ half mask:- Particle filtering: EN149:2001

Hygiene Measures Handle in accordance with good industrial hygiene and safety practice.

Environmental exposure controls Prevent product from entering drains. Do not allow material to contaminate ground water system. Local authorities should be advised if significant spillages cannot be contained.

SECTION 9. PHYSICAL AND CHEMICAL PROPERTIES

Appearance Light red Physical State Powder Solid

Odor No information available Odor Threshold No data available pH Not applicable Melting Point/Range No data available Softening Point No data available Boiling Point/Range No information available Flash Point Not applicable 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 8.6400 Bulk Density No data available Water Solubility No information available Solubility in other solvents No information available Partition Coefficient (n-octanol/water) Autoignition Temperature Not applicable Decomposition Temperature No data available Viscosity Not applicable Solid Explosive Properties No information available Oxidizing Properties No information available

Molecular Formula Er2O3 Molecular Weight 382.5182

SECTION 10. STABILITY AND REACTIVITY

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ALFAA11309 SAFETY DATA SHEET 改訂版 Date 23-Jul-2026ページ 5 / 8 Erbium(III) oxide ______________________________________________________________________________________________ Stability Stable under normal conditions.

Hazardous Reactions None under normal processing. Hazardous Polymerization No information available.

Conditions to Avoid None known.

材料 to avoid No information available.

Hazardous Decomposition Products None under normal use conditions.

SECTION 11. TOXICOLOGICAL INFORMATION

Product Information

(a) acute toxicity; Component LD50 Oral LD50 Dermal LC50 Inhalation Erbium oxide (Er2O3) LD50 > 5 g/kg ( Rat ) LC50 > 5.09 mg/L ( Rat ) 4 h

(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 None known.

(j) aspiration hazard; Not applicable Solid

Symptoms / effects,both acute and No information available delayed

SECTION 12. ECOLOGICAL INFORMATION

Ecotoxicity effects Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. The product contains following substances which are hazardous for the environment.

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ALFAA11309 SAFETY DATA SHEET 改訂版 Date 23-Jul-2026ページ 6 / 8 Erbium(III) oxide ______________________________________________________________________________________________

Persistence and Degradability No information available 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 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 Should not be released into the environment. Waste is classified as hazardous. Dispose of Products in accordance with the European Directives 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 Do not flush to sewer. Waste codes should be assigned by the user based on the application for which the product was used. Do not empty into drains. Do not let this chemical enter the environment.

SECTION 14. TRANSPORT INFORMATION

Road and Rail Transport

UN-No UN3077 Proper Shipping Name ENVIRONMENTALLY HAZARDOUS SUBSTANCE, SOLID, N.O.S. Technical Shipping Name Erbium(III) oxide Hazard Class 9 Packing Group III

IMDG/IMO

UN-No UN3077 Proper Shipping Name ENVIRONMENTALLY HAZARDOUS SUBSTANCE, SOLID, N.O.S. Technical Shipping Name Erbium(III) oxide Hazard Class 9 Packing Group III

IATA

UN-No UN3077 Proper Shipping Name ENVIRONMENTALLY HAZARDOUS SUBSTANCE, SOLID, N.O.S. Technical Shipping Name Erbium(III) oxide Hazard Class 9 Packing Group III

Special Precautions for User No special precautions required

SECTION 15. REGULATORY INFORMATION

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International Inventories 中国, X = listed, オーストラリア, U.S.A. (TSCA), Canada (DSL/NDSL), Europe (EINECS/ELINCS/NLP), オーストラリア (AICS), Korea (KECL), 中国 (IECSC), 日本 (ENCS), Philippines (PICCS), Taiwan (TCSI), 日本 (ISHL), New Zealand (NZIoC), 日本 (ISHL).

Component The List of IECSC EINECS TSCA DSL PICCS ENCS ISHL AICS KECL Inventory of dangerous Hazardous goods GB Chemicals 12268 - (2015 2012 Edition) Erbium oxide (Er2O3) - - X 235-045-7 X X - X X X KE-10311

National Regulations

SECTION 16. OTHER INFORMATION

Prepared By Health, Safety and Environmental Department 改訂版 Date 23-Jul-2026 改訂版 Summary SDS sections updated.

Training Advice Chemical hazard awareness training, incorporating labelling, 安全データシート (SDS), Personal Protective Equipment (PPE) and hygiene. Use of personal protective equipment, covering appropriate selection, compatibility, breakthrough thresholds, care, maintenance, fit and standards. First aid for chemical exposure, including the use of eye wash and safety showers. Chemical incident response training.

Legend

CAS - Chemical Abstracts Service TSCA - 米国 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 - 日本語 Existing and New Chemical Substances IECSC - 中国語 Inventory of Existing Chemical Substances AICS - オーストラリアn Inventory of Chemical Substances KECL - 韓国語 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 化合物)

Key literature references and sources for data https://echa.europa.eu/information-on-chemicals 供給元s safety data sheet, Chemadvisor - LOLI, Merck index, RTECS

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Disclaimer The information provided in this 安全データシート 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 安全データシート

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