MSDS Magnesium oxide
ACC# 13450
Hazard Symbols: None listed.
Risk Phrases: None listed.
EMERGENCY OVERVIEW
Eye: May cause eye irritation.
Skin: May cause skin irritation.
Ingestion: Causes gastrointestinal irritation with nausea, vomiting and diarrhea.
Inhalation: May cause respiratory tract irritation. Inhalation of fumes may cause metal fume fever, which is characterized by flu-like symptoms with metallic taste, fever, chills, cough, weakness, chest pain, muscle pain and increased white blood cell count.
Chronic: No information found.
Eyes: Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.
Skin: Get medical aid if irritation develops or persists. Rinse area with large amounts of water for at least 15 minutes. Remove contaminated clothing and shoes.
Ingestion: If victim is conscious and alert, give 2-4 cupfuls of milk or water. Get medical aid.
Inhalation: Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
Notes to Physician: Treat symptomatically and supportively.
Antidote: The use of Calcium gluconate to precipitate the oxalate should be determined by only qualified medical personnel.
General Information: Substance is noncombustible.
Extinguishing Media: Use extinguishing media most appropriate for the surrounding fire.
General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks: Sweep up, then place into a suitable container for disposal. Avoid generating dusty conditions.
Handling: Wash thoroughly after handling. Minimize dust generation and accumulation. Avoid contact with skin and eyes. Avoid ingestion and inhalation. Use with adequate ventilation.
Storage: Store in a cool, dry place.
Engineering Controls: Good general ventilation should be sufficient to control airborne levels.
Exposure Limits
OSHA Vacated PELs: Magnesium oxide: total particulate: 10 mg/m3 TWA
Personal Protective Equipment
Eyes: Wear chemical goggles.
Skin: Wear appropriate protective gloves to prevent skin exposure.
Clothing: Wear appropriate protective clothing to prevent skin exposure.
Respirators: Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.
Physical State: Solid
Appearance: white
Odor: odorless
pH: Not available.
Vapor Pressure: Not available.
Vapor Density: Not available.
Evaporation Rate:Not available.
Viscosity: Not available.
Boiling Point: 3582 deg C
Freezing/Melting Point:2800 deg C
Autoignition Temperature: Not available.
Flash Point: Not available.
Decomposition Temperature:Not available.
NFPA Rating: (estimated) Health: 1; Flammability: 0; Reactivity: 0
Explosion Limits, Lower:Not available.
Upper: Not available.
Solubility: Slightly soluble in water
Specific Gravity/Density:3.58
Molecular Formula:MgO
Molecular Weight:40.3044
Chemical Stability: Stable at room temperature in closed containers under normal storage and handling conditions.
Conditions to Avoid: Incompatible materials.
Incompatibilities with Other Materials: Reacts violently with interhalogens such as chlorine trifluoride (ClF3) or bromine pentafluoride (BrF3). Reacts incandescantly with phosphorus pentachloride (PCl5). Reacts exothermically with water to form magnesium hydroxide.
Hazardous Decomposition Products: None.
Hazardous Polymerization: Will not occur.
RTECS#:
CAS# 1309-48-4: OM3850000
LD50/LC50:
Not available.
No information available.
Chemical waste generators must determine whether a discarded chemical is classified as a hazardous waste. US EPA guidelines for the classification determination are listed in 40 CFR Parts 261.3. Additionally, waste generators must consult state and local hazardous waste regulations to ensure complete and accurate classification.
RCRA P-Series: None listed.
RCRA U-Series: None listed.
US FEDERAL
TSCA
CAS# 1309-48-4 is listed on the TSCA inventory.
Health & Safety Reporting List
None of the chemicals are on the Health & Safety Reporting List.
Chemical Test Rules
None of the chemicals in this product are under a Chemical Test Rule.
Section 12b
None of the chemicals are listed under TSCA Section 12b.
TSCA Significant New Use Rule
None of the chemicals in this material have a SNUR under TSCA.
SARA
Read electro-mechanical engineering blog
Section 1 - Chemical Product and Company Identification
MSDS Name: Magnesium Oxide
Catalog Numbers: S80066, M300 500, M300-500, M300500, M3494 500, M3494-500, M3494500, M51 100, M51 500, M51-100, M51-500, M51100, M51500, M68 3, M68-3, M683, NC9534192, XXM6850KG
Synonyms: Magnesia, Calcined Magnesium, Calcined Brucite
Company Identification:
Fisher Scientific
1 Reagent Lane
Fair Lawn, NJ 07410
For information, call: 201-796-7100
Emergency Number: 201-796-7100
For CHEMTREC assistance, call: 800-424-9300
For International CHEMTREC assistance, call: 703-527-3887
Section 2 - Composition, Information on Ingredients
| CAS# | Chemical Name | Percent | EINECS/ELINCS |
| 1309-48-4 | Magnesium oxide | 100 | 215-171-9 |
Hazard Symbols: None listed.
Risk Phrases: None listed.
Section 3 - Hazards Identification
EMERGENCY OVERVIEW
Appearance: white. Caution! May cause eye and skin irritation. Inhalation of fumes may cause metal-fume fever. May cause respiratory tract irritation.
Target Organs: Respiratory system, eyes, mucous membranes.
Potential Health Effects
Eye: May cause eye irritation.
Skin: May cause skin irritation.
Ingestion: Causes gastrointestinal irritation with nausea, vomiting and diarrhea.
Inhalation: May cause respiratory tract irritation. Inhalation of fumes may cause metal fume fever, which is characterized by flu-like symptoms with metallic taste, fever, chills, cough, weakness, chest pain, muscle pain and increased white blood cell count.
Chronic: No information found.
Section 4 - First Aid Measures
Eyes: Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.
Skin: Get medical aid if irritation develops or persists. Rinse area with large amounts of water for at least 15 minutes. Remove contaminated clothing and shoes.
Ingestion: If victim is conscious and alert, give 2-4 cupfuls of milk or water. Get medical aid.
Inhalation: Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
Notes to Physician: Treat symptomatically and supportively.
Antidote: The use of Calcium gluconate to precipitate the oxalate should be determined by only qualified medical personnel.
Section 5 - Fire Fighting Measures
General Information: Substance is noncombustible.
Extinguishing Media: Use extinguishing media most appropriate for the surrounding fire.
Section 6 - Accidental Release Measures
General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks: Sweep up, then place into a suitable container for disposal. Avoid generating dusty conditions.
Section 7 - Handling and Storage
Handling: Wash thoroughly after handling. Minimize dust generation and accumulation. Avoid contact with skin and eyes. Avoid ingestion and inhalation. Use with adequate ventilation.
Storage: Store in a cool, dry place.
Section 8 - Exposure Controls, Personal Protection
Engineering Controls: Good general ventilation should be sufficient to control airborne levels.
Exposure Limits
| ACGIH | NIOSH | OSHA - Final PELs | |
| Magnesium oxide | 10 mg/m3 TWA | no established RELs - see Appendix D 750 mg/m3 IDLH | total particulate: 15 mg/m3 TWA |
OSHA Vacated PELs: Magnesium oxide: total particulate: 10 mg/m3 TWA
Personal Protective Equipment
Eyes: Wear chemical goggles.
Skin: Wear appropriate protective gloves to prevent skin exposure.
Clothing: Wear appropriate protective clothing to prevent skin exposure.
Respirators: Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.
Section 9 - Physical and Chemical Properties
Physical State: Solid
Appearance: white
Odor: odorless
pH: Not available.
Vapor Pressure: Not available.
Vapor Density: Not available.
Evaporation Rate:Not available.
Viscosity: Not available.
Boiling Point: 3582 deg C
Freezing/Melting Point:2800 deg C
Autoignition Temperature: Not available.
Flash Point: Not available.
Decomposition Temperature:Not available.
NFPA Rating: (estimated) Health: 1; Flammability: 0; Reactivity: 0
Explosion Limits, Lower:Not available.
Upper: Not available.
Solubility: Slightly soluble in water
Specific Gravity/Density:3.58
Molecular Formula:MgO
Molecular Weight:40.3044
Section 10 - Stability and Reactivity
Chemical Stability: Stable at room temperature in closed containers under normal storage and handling conditions.
Conditions to Avoid: Incompatible materials.
Incompatibilities with Other Materials: Reacts violently with interhalogens such as chlorine trifluoride (ClF3) or bromine pentafluoride (BrF3). Reacts incandescantly with phosphorus pentachloride (PCl5). Reacts exothermically with water to form magnesium hydroxide.
Hazardous Decomposition Products: None.
Hazardous Polymerization: Will not occur.
Section 11 - Toxicological Information
RTECS#:
CAS# 1309-48-4: OM3850000
LD50/LC50:
Not available.
Carcinogenicity:
CAS# 1309-48-4: Not listed by ACGIH, IARC, NIOSH, NTP, or OSHA.
Epidemiology: No data available.
Teratogenicity: No data available.
Reproductive Effects: No data available.
Neurotoxicity: No data available.
Mutagenicity: No data available.
Other Studies: No data available.
Section 12 - Ecological Information
No information available.
Section 13 - Disposal Considerations
Chemical waste generators must determine whether a discarded chemical is classified as a hazardous waste. US EPA guidelines for the classification determination are listed in 40 CFR Parts 261.3. Additionally, waste generators must consult state and local hazardous waste regulations to ensure complete and accurate classification.
RCRA P-Series: None listed.
RCRA U-Series: None listed.
Section 14 - Transport Information
| US DOT | IATA | RID/ADR | IMO | Canada TDG | |
| Shipping Name: | No information available. | No information available. | |||
| Hazard Class: | |||||
| UN Number: | |||||
| Packing Group: |
Section 15 - Regulatory Information
US FEDERAL
TSCA
CAS# 1309-48-4 is listed on the TSCA inventory.
Health & Safety Reporting List
None of the chemicals are on the Health & Safety Reporting List.
Chemical Test Rules
None of the chemicals in this product are under a Chemical Test Rule.
Section 12b
None of the chemicals are listed under TSCA Section 12b.
TSCA Significant New Use Rule
None of the chemicals in this material have a SNUR under TSCA.
SARA
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