MSDS of Magnesium Oxide

1 Identification of Substance
Product Details
Product Name: Magnesium Oxide
Stock Number: OX12
Manufacturer/Supplier:
Stanford Advanced Materials
23661 Birtcher Dr., Lake Forest, CA 92630 U.S.A. 
Tel: (949) 407 8904
Fax: (949) 812 6690
E-mail: sales@SAMaterials.com

2 Composition/Data on Components
Chemical Characterization: Magnesium Oxide (CAS# 1309-48-4); 100%
Identification Number(s): EINECS Number: 215-171-9

3 Hazards Identification
Hazard Description: •Not applicable
Information Pertaining To Particular Dangers For Man and Environment: Not applicable

Classification System
HMIS ratings (scale 0-4)
(Hazardous Materials Identification System) Health (acute effects) = 1
Flammability = 0
Reactivity = 0

4 First Aid Measures
After inhalation: Supply fresh air. If required, provide artificial respiration. Keep patient warm. Seek immediate medical advice.
After skin contact: Immediately wash with water and soap and rinse thoroughly. Seek immediate medical advice.
After eye contact: Rinse opened eye for several minutes under running water. Then consult a doctor.
After swallowing: Seek medical treatment.

5 Fire Fighting Measures
Suitable Extinguishing Agents: Product is not flammable. Use fire fighting measures that suit the surrounding fire.
Protective Equipment: Wear self-contained respirator. Wear fully protective impervious suit.

6 Accidental Release Measures
Person-Related Safety Precautions: Wear protective equipment. Keep unprotected persons away. Ensure adequate ventilation
Measures For Environmental Protection: Do not allow material to be released to the environment without proper governmental permits.
Measures For Cleaning/Collecting: Pick up mechanically.

Additional Information:
See Section 7 for information on safe handling
See Section 8 for information on personal protection equipment.
See Section 13 for disposal information.

7 Handling and Storage
Handling
Information For Safe Handling: Keep container tightly sealed. Store in cool, dry place in tightly closed containers. No special precautions are necessary if used correctly.
Information About Protection Against Explosions and Fires: The product is not flammable

Storage
Requirements To Be Met By Storerooms and Receptacles: No special requirements.
Information About Storage In One Common Storage Facility: Not required.
Further Information About Storage Conditions: Keep container tightly sealed. Store in cool, dry conditions in well sealed containers.

8 Exposure Controls and Personal Protection
Additional Information About Design of Technical Systems:
Properly operating chemical fume hood designed for hazardous chemicals and having an average face velocity of at least 100 feet per minute.

Components With Limit Values That Require Monitoring At The Workplace:

Magnesium Oxide: mg/m3
ACGIH TLV: 10
Austria MAK: 6
Belgium TWA: 10
Denmark TWA: 6
France VME: 10
Germany MAK: 6
Hungary TWA: 5; 10-STEL
Ireland TWA: 10
Korea TLV: 10 (fume)
Netherlands MAC-TGG: 10
Norway TWA: 10
Poland TWA: 10 (dust)
Russia TWA: 5-STEL
Switzerland MAK-W: 6
United Kingdom TWA: 10 (total inhalable dust) 4 (fume and respirable dust)
OSHA PEL: 15 (total particulate)
Additional Information: No data
Personal Protective Equipment
General Protective and Hygienic Measures: The usual precautionary measures for handling chemicals should be followed. Keep away from foodstuffs, beverages and feed. Remove all soiled and contaminated clothing immediately. Wash hands before breaks and at the end of work.
Breathing Equipment: Use suitable respirator when high concentrations are present.
Protection Of Hands: Impervious gloves. Check protective gloves prior to each use for their proper condition.
Material Of Gloves: The selection of suitable gloves not only depends on the material, but also on quality. Quality will vary from manufacturer to manufacturer.
Eye Protection: Safety glasses
Body Protection: Protective work clothing.

9 Physical and Chemical Properties
General Information
Form: Powder
Color: White
Odor: Odorless
Change In Condition Value/Range Unit Method
Melting Point/Melting Range: 2852 ° C
Boiling Point/Boiling Range: 3600 ° C
Sublimation Temperature / Start: Not determined
Flash Point: Not applicable
Ignition Temperature: Not determined
Decomposition Temperature: Not determined
Danger Of Explosion: Product does not present an explosion hazard.
Explosion Limits:
Lower: Not determined
Upper: Not determined
Vapor Pressure: Not determined
Density: at 20 ° C 3.58 g/cm³
Solubility in / Miscibility with Water: Not determined

10 Stability and Reactivity
Thermal Decomposition / Conditions To Be Avoided: Decomposition will not occur if used and stored according to specifications.
Materials To Be Avoided: Oxidizing agents
Dangerous Reactions: No dangerous reactions known
Dangerous Products Of Decomposition: No dangerous decomposition products known

11 Toxicological Information
Acute Toxicity:
Primary Irritant Effect: on the eye: Powder: irritant effect
Sensitization: No sensitizing effects known.
Subacute To Chronic Toxicity: The Registry of Toxic Effects of Chemical Substances (RTECS) reports the following effects in laboratory animals: Nutritional and Gross Metabolic - body temperature increase. Lungs, Thorax, or Respiration - other changes. Lungs, Thorax, or Respiration - tumors. Blood - other hemolysis with or without anemia. Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol). Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - true cholinesterase. Brain and Coverings - recordings from specific areas of CNS.
Sense Organs and Special Senses (Olfaction) - tumors. Tumorigenic - equivocal tumorigenic agent by RTECS criteria.
Subacute To Chronic Toxicity: Inhalation of magnesium oxide may cause metal fume fever. Magnesium oxide is an experimental tumorigen.
Additional Toxicological Information:
To the best of our knowledge the acute and chronic toxicity of this substance is not fully known.
ACGIH A4: Not classifiable as a human carcinogen: Inadequate data on which to classify the agent in terms of it's carcinogenicity in humans and/or animals

12 Ecological Information:
General Notes: Do not allow material to be released to the environment
without proper governmental permits.

13 Disposal Considerations
Product:
Recommendation: Consult state, local or national regulations to ensure
proper disposal.
Uncleaned Packagings:
Recommendation: Disposal must be made according to official regulations.

14 Transport Information
Not a hazardous material for transportation.

DOT Regulations:
Hazard Class: None

Land Transport ADR/RID (cross-border)
ADR/RID class: None

Maritime Transport IMDG:
IMDG Class: None

Air Transport ICAO-TI and IATA-DGR:
ICAO/IATA Class:None

Transport/Additional Information:
Not dangerous according to the above specifications.

15 Regulations
Product Related Hazard Information: Observe the general safety regulations when handling chemicals

National Regulations: All components of this product are listed in the U.S. Environmental Protection Agency Toxic Substances Control Act chemical substance inventory.

Information About Limitation Of Use: For use only by technically qualified individuals.

END OF DATASHEET

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