Material Safety Data Sheet
Section 1. Product and Company Identification
Product Identification: ICP-WS-4
MSDS Number: ICP-WS-4
Company Identification: High-Purity Standards
P.O. Box 41727
Charleston, SC 29423
Telephone: (843) 767-7900
FAX: (843) 767-7906
In case of emergency call INFOTRAC: 800-535-5053
Section 2. Chemical Composition
Component CAS/EINECS Percent ACGIH TLV OSHA PEL
Registry # Concentration
Cerium Oxide 1306-38-3/ 0.001 (as Ce) Not Available Not Available
(CeO2) 215-150-4
Dysprosium Oxide 1308-87-8/ 0.001 (as Dy) Not Available Not Available
(Dy2O3) 215-164-0
Erbium Oxide 12061-16-4/ 0.001 (as Er) Not Available Not Available
(Er2O3) 235-045-7
Europium Oxide 1308-96-9/ 0.001 (as Eu) Not Available Not Available
(Eu2O3) 215-165-6
Gadolinium Oxide 12064-62-9/ 0.001 (as Gd) Not Available Not Available
(Gd2O3) 235-060-9
Holmium Oxide 12055-62-8/ 0.001 (as Ho) Not Available Not Available
(Ho2O3) 235-015-3
Lanthanum Oxide 1312-81-8/ 0.001 (as La) Not Available Not Available
(La2O3) 215-200-5
Lutetium Oxide 12032-20-1/ 0.001 (as Lu) Not Available Not Available
(Lu2O3) 234-764-3
Neodymium Oxide 1313-97-9/ 0.001 (as Nd) Not Available Not Available
(Nd2O3) 215-214-1
Praseodymium Oxide 12037-29-5/ 0.001 (as Pr) Not Available Not Available
(Pr6O11) 234-857-9
Samarium Oxide 12060-58- 0.001 (as Sm) Not Available Not Available
(Sm2O3) 1/235-043-6
Scandium Oxide 12060-08-1/ 0.001 (as Sc) Not Available Not Available
(Sc2O 3) 235-042-0
Terbium Oxide 12037-01-3/ 0.001 (as Tb) Not Available Not Available
(Tb 4O7) 234-856-3
Thulium Oxide 12036-44-1/ 0.001 (as Tm) Not Available Not Available
(Tm2O3) 234-851-6
Thorium Oxide 1314-20-1/ 0.001 (as Th) Not Available Not Available
(ThO2) 215-225-1
0.2 mg/m3 0.05 mg/m3
Uranium Oxide 1344-59-8/ 0.001 (as U)
(U3O8) 215-702-4
Ytterbium Oxide 1314-37-0/ 0.001 (as Yb) Not Available Not Available
(Yb 2O3) 215-234-0
Date: October 3, 2006
Material Safety Data Sheet No. ICP-WS-4
Rev.: 002 Page 2 of 4
ICP-WS-4
1 mg/m3
Yttrium Oxide 1314-36-9/ 0.001 (as Y) Not Available
(Y2O3) 215-233-5
5 mg/m3
Nitric Acid 7697-37-2/ 2 2 mg/kg
231-714-2
Water, deionized 7732-18-5/ Balance Not Available Not Available
231-791-2
Section 3. Hazard Identification
Emergency Overview: Mildly corrosive. May cause irritation to areas of contact. Wash areas of
contact with water for at least 15 minutes. If ingested, do not induce vomiting. Dilute
with water and call a physician. Thorium oxide is toxic and is known to be a human
carcinogen.
Target Organs: Eyes, skin, respiratory system, immune system, nasal cavities, teeth, blood,
bones.
Skin/eye Contact: Liquid may cause burns to skin and eyes.
Inhalation: May cause irritation.
Ingestion: May cause nausea, vomiting, and diarrhea.
Section 4. First Aid Measures
Inhalation: Remove to fresh air. Give artificial respiration if necessary. If breathing is difficult, give
oxygen.
Skin/eye Contact: Flush eyes with plenty of water for at least 15 minutes. Remove contaminated
shoes and clothing. Rinse affected area with large amount of water followed by
washing the area with soap and water. Call a physician if irritation develops.
Ingestion: CALL A PHYSICIAN. If swallowed rinse mouth. Do NOT induce vomiting. If
conscious give large quantities of water or milk.
Section 5. Fire Fighting Measures
Fire & Explosion hazards: While nitric acid is not combustible, it is a strong oxidizing agent that
can react with combustible materials. NOx compounds can be released in event of fire.
Extinguishing Media: Use any extinguishing media that is suitable for the surrounding area. Use a
water spray to dilute nitric acid and to absorb liberated nitrogen oxides.
Specific Methods: Firefighters should wear proper protective equipment and self-contained
breathing apparatus with full face piece operated in positive pressure mode.
Section 6. Accidental Release Measures
Ventilate area of leak or spill. Wear appropriate personal protective equipment as specified in
Section 8. Cover the spill with sodium bicarbonate or a soda ash-slaked lime mixture (50:50) to
neutralize the acid. Place the neutralized material into containers suitable for eventual disposal,
reclamation, or destruction. Always dispose of in accordance with local regulations.
Section 7. Handling and Storage
Store in a cool, dry, ventilated storage area with acid resistant floors and good drainage. Keep out
of direct sunlight and away from heat, water, and incompatible materials. When diluting, the acid
Date: October 3, 2006
Material Safety Data Sheet No. ICP-WS-4
Rev.: 002 Page 3 of 4
ICP-WS-4
should always be added slowly to water and in small amounts. Refer to Section 8 for personal
handling instructions. Wash exposed skin area thoroughly after handling.
Section 8. Exposure Controls and Personal Protection
Engineering Controls: No specific controls are needed. Normal room ventilation is adequate.
Respiratory Protection: Normal room ventilation is adequate.
Personal Protection: Wear proper gloves, safety glasses with side shields, lab coat/apron.
Section 9. Physical and Chemical Properties
Molecular Weight: N/A
Boiling Point: Approximately 100掳C
Freezing Point: N/A
Vapor Pressure (mm): N/A
Vapor Density (air+1): N/A
Specific Gravity (H2O = 1): Approximately 1.0
Solubility in H2O: Complete
Appearance: Clear, colorless liquid
Odor: Odorless to a faint pungent odor
pH: <1
Section 10. Stability and Reactivity
Stability Indicator: YES
Conditions to Avoid: Metals, chlorine, organic materials, strong alkali, cyanides.
Incompatibles: Strong reducing agents.
Hazardous Decomposition Products: NOx compounds including nitric oxide (NO), nitrogen
dioxide (NO2), nitrous oxide (N2O) and nitric acid mist or vapor.
Hazardous Polymerization: Will not occur.
Section 11. Toxicological Information
This solution contains natural uranium oxide and thorium oxide at 0.001% concentration. Pure
uranium oxide and thorium oxide are weakly radioactive and emit alpha particles which are
harmful to the body. For the energy range of alpha particles usually encountered, a fraction of a
millimeter of any ordinary material is sufficient for absorbance. Thin rubber, acrylic, stout paper,
or cardboard will suffice. Thorium oxide is known to be a human carcinogen.
HNO3- RTECS# QU5775000
CeO2-RTECS# FK6310000 Er2O3-RTECS# KD9250000 Eu2O3-RTECS# LE8053000
Gd2O3-RTECS# LW4790000 La2O3-RTECS# OE5330000 ThO2-RTECS# XO6950000
U3O8-RTECS# YR3490000 Y2O3-RTECS# ZG3850000
Toxicity Data:
LDLO Oral, Human: (Nitric Acid) 430 mg/kg; LD50, LD50 Oral, Rat: (Cerium Dioxide) >5 g/kg.;
LD50 Oral, Rat: (Lanthanum Oxide) >9968 mg/kg; TDLO Intraarterial, Human: (Thorium Oxide)
490 mg/kg; TD50 Unreported Route, Rat: (Triuranium Octaoxide) 750 mg/kg; LDLO Oral, Mouse:
(Yttrium Oxide) >6 g/kg.
Date: October 3, 2006
Material Safety Data Sheet No. ICP-WS-4
Rev.: 002 Page 4 of 4
ICP-WS-4
Section 12. Ecological Information
Ecotoxicological information: Do not allow material to reach ground water, water bodies, or
sewage system.
Section 13. Disposal Considerations
Follow federal, state and local regulations for waste.
Section 14. Transport Information
D.O.T. Classification: Not hazardous by DOT regulations (based on low concentration of acid)
Section 15. Regulations (Not meant to be all inclusive-selected regulation listed)
TSCA Status: Components of this solution are listed on the TSCA Inventory.
RCRA Status: No
SARA: Subject to the reporting requirements of Section 313 or SARA Title III and of 40 CFR
372
Risk Phrases: R20/21/22, R45 Harmful by inhalation, skin contact, or if swallowed; May cause
cancer.
Safety Phrases: S36/37/39 Wear suitable protective clothing, gloves and eye/face protection.
WHMIS Information (Canada): D2B: Poisonous/Carcinogen
E: Corrosive
ICP-WS-4 contains a limited quantity radioactive material that is exempt from radioactive
labeling requirements under 49CFR section 173.421. The massic activity of ICP-WS-4 is less
than 40 Bq/g.
Section 16. Other Information
HPS products are intended for laboratory use only. All products should be handled and used by
trained professional personnel only. The responsibility for the safe handling and use of these
products rest solely with the buyer and/or user. The MSDS was prepared carefully and represents
the best data currently available to us; however, HPS does not certify the data on the MSDS.
Certified values for this material are given only on the Certificate of Analysis.
Theodore C. Rains, Ph.D.
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