Europium (Eu) Standard Solution | SDS | National Institute of Standards and Technology (NIST) | SRM 3117a | English | 28 January 2015

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Date of Issue: 28 January 2015 SAFETY DATA SHEET

1. SUBSTANCE AND SOURCE IDENTIFICATION Product Identifier SRM Number: 3117a SRM Name: Europium (Eu) Standard Solution Other Means of Identification: Not applicable. Recommended Use of This Material and Restrictions of Use This Standard Reference Material (SRM) is intended for use as a primary calibration standard for the quantitative determination of europium. A unit of SRM 3117a consists of five 10 mL sealed borosilicate glass ampoules of an acidified aqueous solution prepared gravimetrically from high-purity europium (III) oxide to contain a known mass fraction of europium. The solution contains nitric acid at a volume fraction of approximately 10 %, which is equivalent to an amount-of-substance concentration (molarity) of approximately 1.6 mol/L. Company Information National Institute of Standards and Technology Standard Reference Materials Program 100 Bureau Drive, Stop 2300 Gaithersburg, Maryland 20899-2300

Telephone: 301-975-2200 Emergency Telephone ChemTrec: FAX: 301-948-3730 1-800-424-9300 (North America) E-mail: SRMMSDS@nist.gov +1-703-527-3887 (International) Website: http://www.nist.gov/srm

2. HAZARDS IDENTIFICATION

Classification Physical Hazard: Not classified. Health Hazard: Skin Corrosion/Irritation Category 1B Serious Eye Damage/Eye Irritation Category 1 Label Elements Symbol

Signal Word DANGER Hazard Statement(s) H314 Causes severe skin burns and eye damage. Precautionary Statement(s) P260 Do not breathe fumes, mists, vapors, or spray. P264 Wash hands thoroughly after handling. P280 Wear protective gloves, protective clothing, and eye protection. P301+P330+P331 If swallowed: Rinse mouth. Do NOT induce vomiting. P303+P361+P353 If on skin (or hair): Remove immediately all contaminated clothing. Rinse skin with 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. P310 Immediately call a doctor. P363 Wash contaminated clothing before reuse.

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P405 Store locked up. P501 Dispose of contents and container according to local regulations. Hazards Not Otherwise Classified: Not applicable. Ingredients(s) with Unknown Acute Toxicity: Not applicable.

3. COMPOSITION AND INFORMATION ON HAZARDOUS INGREDIENTS

Substance: Europium in nitric acid solution Other Designations: Nitric acid (aqua fortis; hydrogen nitrate; azotic acid; engraver’s acid) Europium nitrate [europium trinitrate; nitric acid, europium (3+) salt (3:1)]

NOTE: Europium in nitric acid solution forms a solvated europium nitrate salt. The health and physical hazard information provided in this SDS are for nitric acid and europium nitrate, a rare earth salt. No physical or chemical data are listed for this solution. The actual effects of the solution may differ from the individual components. Components are listed in compliance with OSHA’s 29 CFR 1910.1200; for the actual values see the NIST Certificate of Analysis. Hazardous Component(s) CAS Number EC Number Nominal Mass Concentration (EINECS) (%) Nitric acid 7697-37-2 231-714-2 10 Europium nitrate 10138-01-9 233-380-3 2.2

Non-Hazardous Component(s) Water 7732-18-5 231-791-2 >87

4. FIRST AID MEASURES

Description of First Aid Measures: Inhalation: If adverse effects occur, remove to uncontaminated area. If not breathing, give artificial respiration or oxygen by qualified personnel. Seek immediate medical attention. Skin Contact: Wash skin with soap and water for at least 15 minutes while removing contaminated clothing and shoes. Get immediate medical attention. Thoroughly clean and dry contaminated clothing before reuse. Destroy contaminated shoes. Eye Contact: Immediately flush eyes, including under the eyelids with copious amounts of water for at least 15 minutes. Seek immediate medical attention. Ingestion: Contact a poison control center immediately for instructions. Do not induce vomiting. Give water to rinse out mouth. Never give liquids to a person with reduced awareness or becoming unconscious. If vomiting occurs, keep head lower than hips to prevent aspiration. If not breathing, give artificial respiration by qualified personnel. Seek immediate medical attention. Most Important Symptoms/Effects, Acute and Delayed: Acid burns to skin, eyes, and lungs. Indication of any immediate medical attention and special treatment needed, if necessary: If any of the above symptoms are present, seek immediate medical attention.

5. FIRE FIGHTING MEASURES

Fire and Explosion Hazards: Negligible fire hazard. See Section 9, “Physical and Chemical Properties” for flammability properties. Extinguishing Media: Suitable: Use extinguishing media appropriate to the surrounding fire. Unsuitable: None listed. Specific Hazards Arising from the Chemical: Miscellaneous decomposition products.

Special Protective Equipment and Precautions for Fire-Fighters: Avoid inhalation of material or combustion byproducts. Wear full protective clothing and NIOSH approved self-contained breathing apparatus (SCBA).

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NFPA Ratings (0 = Minimal; 1 = Slight; 2 = Moderate; 3 = Serious; 4 = Severe) Health = 3 Fire = 0 Reactivity = 0

6. ACCIDENTAL RELEASE MEASURES

Personal Precautions, Protective Equipment and Emergency Procedures: Immediately contact emergency personnel. Keep unnecessary personnel away. Use suitable protective equipment; see Section 8, “Exposure Controls and Personal Protection”. Methods and Materials for Containment and Clean up: Do not touch spilled material. Notify safety personnel of spills. Absorb with sand or other non-combustible material. Collect spilled material in appropriate container for disposal. Isolate hazard area and deny entry.

7. HANDLING AND STORAGE

Safe Handling Precautions: See Section 8, “Exposure Controls and Personal Protection”. Handle glass ampoules with care. Storage: Store and handle in accordance with all current regulations and standards. Keep separated from incompatible substances (see Section 10, “Stability and Reactivity”).

8. EXPOSURE CONTROLS AND PERSONAL PROTECTION

Exposure Limits Component(s) OSHA (PEL) ACGIH (TLV) NIOSH (REL) 5 mg/m3 (2 ppm) TWA 5 mg/m3 (2 ppm) 5 mg/m3 (2 ppm) TWA Nitric acid 10 mg/m3 (4 ppm) STEL TWA 10 mg/m3 (4 ppm) STEL 65 mg/m3 (25 ppm) IDLH

Europium nitrate No occupational limits established.

Engineering Controls: Provide local exhaust or process enclosure ventilation system. Ensure compliance with applicable exposure limits. Personal Protection: In accordance with OSHA 29 CFR 1910.132, subpart I, wear appropriate Personal Protective Equipment (PPE) to minimize exposure to this material. Respiratory Protection: If workplace conditions warrant a respirator, a respiratory protection program that meets OSHA 29CFR 1910.134 must be followed. Refer to NIOSH 42 CFR 84 for applicable certified respirators. Eye/Face Protection: Wear splash resistant safety goggles with a face shield. An eyewash station should be readily available near areas of use. Skin and Body Protection: Personal protective equipment for the body should be selected based on the task being performed and the risks involved and should be approved by a specialist before handling this product. Chemical-resistant gloves should be worn at all times when handling chemicals.

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9. PHYSICAL AND CHEMICAL PROPERTIES

NOTE: The physical and chemical data provided are for the pure components. Descriptive Properties Nitric acid Europium nitrate (10 % of this SRM) (2.2 % of this SRM)

Appearance (physical state, color, etc.) colorless to yellow liquid not available Molecular Formula HNO3 Eu(NO3)3 Molar Mass (g/mol) 63.01 337.97 Odor irritating odor not available Odor threshold (mg/m3) not available not available pH 1 (1 M) not available Evaporation rate not available not applicable Melting point/freezing point –42 ºC (–43 ºF) not available Relative Density as specific gravity (water = 1) 1.5027 at 25 ºC not available Vapor Pressure (mmHg) 47.9 at 20 ºC not available Vapor Density (air = 1) 3.2 not available Viscosity not available not available Solubility(ies) miscible with water and ether miscible in water Partition coefficient (n-octanol/water) not available not available Thermal Stability Properties Autoignition Temperature not applicable not available Thermal Decomposition not applicable not available Initial boiling point and boiling range 83 ºC (181 ºF) not available Explosive Limits, LEL (Volume %) not applicable not available Explosive Limits, UEL (Volume %) not applicable not available Flash Point not applicable not available Flammability (solid, gas) not applicable not available

10. STABILITY AND REACTIVITY

Reactivity: Stable at normal temperatures and pressure. Stability: X Stable Unstable Possible Hazardous Reactions: None listed. Conditions to Avoid: Contact with combustible or incompatible materials. Incompatible Materials: Acids, combustible materials, halo carbons, amines, bases, oxidizing materials, metals, halogens, metal salts, metal oxides, reducing agents, peroxides, metal carbide, cyanides. Fire/Explosion Information: See Section 5, “Fire Fighting Measures”. Hazardous Decomposition: Thermal decomposition will produce oxides of nitrogen, europium, and other miscellaneous decomposition products. Hazardous Polymerization: Will Occur X Will Not Occur

11. TOXICOLOGICAL INFORMATION

Route of Exposure: X Inhalation X Skin X Ingestion Symptoms Related to the Physical, Chemical and Toxicological Characteristics: Acid burns to skin, eyes, and lungs.

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Potential Health Effects (Acute, Chronic and Delayed): Inhalation: Inhalation of acid fumes can damage the mucous membranes and upper respiratory tract. Short term exposure may cause irritation and inflammation of the upper respiratory tract, coughing, choking, sore throat, shortness of breath, headache, dizziness, and nausea. Long term exposure to acid fumes may cause damage to teeth, bronchial irritation, chronic cough, bronchial pneumonia, and gastrointestinal disturbances. Skin Contact: Nitric acid can cause severe skin burns. Severity of the damage depends on the concentration and duration of exposure. Effects of acid burns may be delayed. Eye Contact: Nitric acid can cause severe eye irritation, corneal burns, permanent eye damage, or blindness. Severity of the damage depends on the concentration and duration of exposure. Ingestion: If ingested, nitric acid can cause severe burns and damage to the gastrointestinal tract. Numerical Measures of Toxicity Acute Toxicity: Not classified. Nitric acid: Rat, Inhalation LC50: 130 mg/m3 (4 h) Europium nitrate: Rat, Oral LD50: 3828 mg/kg Skin Corrosion/Irritation: This SRM contains >1 % of nitric acid and it is classified as Category 1B. Serious Eye Damage/Eye Irritation: This SRM contains >1 % nitric acid and it is classified as Category 1. Respiratory Sensitization: No data available. Skin Sensitization: No data available. Germ Cell Mutagenicity: No data available. Carcinogenicity: Not classified. Listed as a Carcinogen/Potential Carcinogen Yes X No Nitric acid and europium nitrate are not listed by NTP, IARC or OSHA as carcinogens/potential carcinogens. Reproductive Toxicity: Not classified. Nitric acid: Rat, Oral TDLo: 21 150 mg/kg (pregnant 1 d to 21 d) Rat, Oral TDLo: 2345 mg/kg (pregnant 18 d) Specific Target Organ Toxicity, Single Exposure: No data available. Specific Target Organ Toxicity, Repeated Exposure: No data available. Aspiration Hazard: No data available.

12. ECOLOGICAL INFORMATION

Ecotoxicity Data Nitric acid: Fish, hooknose or pogge (Agonus cataphractus) LC50: 100 mg/L to 330 mg/L (48 h) Europium nitrate: No data available. Persistence and Degradability: No data available. Bioaccumulative Potential: No data available. Mobility in Soil: No data available. Other Adverse effects: No data available.

13. DISPOSAL CONSIDERATIONS

Waste Disposal: Dispose of waste in accordance with all applicable federal, state, and local regulations. Subject to disposal regulations: U.S. EPA 40 CFR 262, Hazardous Waste Numbers: nitric acid (D001, D002).

14. TRANSPORTATION INFORMATION

U.S. DOT and IATA: UN1760, Corrosive liquid, n.o.s. (contains nitric acid), Hazard Class 8, Packing Group II, Excepted Qty: E2.

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15. REGULATORY INFORMATION

U.S. Regulations: CERCLA Sections 102a/103 (40 CFR 302.4): Nitric acid, 1000 lbs. (454 kg) final RQ SARA Title III Section 302 (40 CFR 355.30): Nitric acid, 1000 lbs. (454 kg) TPQ SARA Title III Section 304 (40 CFR 355.40): Nitric acid, 1000 lbs. (454 kg) EPCRA RQ SARA Title III Section 313 (40 CFR 372.65): 1 % de minimis concentration for nitric acid. OSHA Process Safety (29 CFR 1910.119): Regulated for nitric acid at higher concentrations 500 lbs. TQ (≥94.5 % by weight). SARA Title III Sections 311/312 Hazardous Categories (40 CFR 370.21): ACUTE HEALTH: Yes CHRONIC HEALTH: No FIRE: No REACTIVE: No PRESSURE: No State Regulations: Not listed under California Proposition 65. U.S. TSCA Inventory: Nitric acid and europium nitrate are listed. TSCA 12(b), Export Notification: Not listed. Canadian Regulations: WHMIS Information is not provided for this material.

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16. OTHER INFORMATION

Issue Date: 28 January 2015 Sources: ChemAdvisor, Inc., SDS Nitric Acid, 15 December 2014. ChemAdvisor, Inc., SDS Europium Oxide, 15 December 2014. CDC; NIOSH; NIOSH Pocket Guide to Chemical Hazards; Department of Health and Human Services (DHHS), Centers for Disease Control and Prevention (CDC), National Institute for Safety and Health; Nitric Acid, 18 November 2010; available at http://www.cdc.gov/niosh/npg/npgd0447.html (accessed Jan 2015). Hazardous Substances Data Bank (HSDB), National Library of Medicine's TOXNET system, Nitric Acid CAS No. 7697-37-2; available at http://toxnet.nlm.nih.gov (accessed Jan 2015). ChemIDplus Advanced, National Library of Medicine's TOXNET system, Europium Nitrate CAS No. 10138-01-9; available at http://chem.sis.nlm.nih.gov/chemidplus/ (accessed Jan 2015).

Key of Acronyms: ACGIH American Conference of Governmental Industrial Hygienists ALI Annual Limit on Intake CAS Chemical Abstracts Service CERCLA Comprehensive Environmental Response, Compensation, and Liability Act CFR Code of Federal Regulations DOT Department of Transportation EC50 Effective Concentration, 50 % EINECS European Inventory of Existing Commercial Chemical Substances EPCRA Emergency Planning and Community Right-to-Know Act IARC International Agency for Research on Cancer IATA International Air Transportation Agency IDLH Immediately Dangerous to Life and Health LC50 Lethal Concentration, 50 % LD50 Lethal Dose, 50 % LEL Lower Explosive Limit MSDS Material Safety Data Sheet NFPA National Fire Protection Association NIOSH National Institute for Occupational NIST National Institute of Standards and Technology n.o.s. Not Otherwise Specified WHMIS Workplace Hazardous Materials NRC Nuclear Regulatory Commission NTP National Toxicology Program OSHA Occupational Safety and Health Administration PEL Permissible Exposure Limit RCRA Resource Conservation and Recovery Act REL Recommended Exposure Limit RM Reference Material RQ Reportable Quantity RTECS Registry of Toxic Effects of Chemical Substances SARA Superfund Amendments and Reauthorization Act SCBA Self-Contained Breathing Apparatus SRM Standard Reference Material STEL Short Term Exposure Limit STOT Specific Target Organ Toxicity TLm Threshold Limit, median TLV Threshold Limit Value TPQ Threshold Planning Quantity Safety and Health TSCA Toxic Substances Control Act TWA Time Weighted Average UEL Upper Explosive Limit Information System

Disclaimer: Physical and chemical data contained in this SDS are provided only for use in assessing the hazardous nature of the material. The SDS was prepared carefully, using current references; however, NIST does not certify the data in the SDS. The certified values for this material are given in the NIST Certificate of Analysis. Users of this SRM should ensure that the SDS in their possession is current. This can be accomplished by contacting the SRM Program: telephone (301) 975-2200; fax (301) 948-3730; e-mail srmmsds@nist.gov; or via the Internet at http://www.nist.gov/srm.

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