MSDS
MATERIAL SAFETY DATA SHEET
Epsom Salt, Magnesium Sulfate, U.S.P.
Trade Name:
Date Prepared: January 23, 2006 Page: 1 of 3
1. CHEMICAL PRODUCT AND COMPANY IDENTIFICATION
Product name: Epsom Salt, Magnesium Sulfate, U.S.P.
Product description: Magnesium sulfate, heptahydrate
Product Use: Food grade, medicinal uses
Manufacturer: PQ Corporation
P. O. Box 840, Valley Forge, PA USA
Phone number: 610-651-4200
Supplier: National Silicates
429 Kipling Ave, Toronto, ON M8Z 5C7
Phone number: 416-255-7771
In case of emergency call: 1 416-255-7771
2. COMPOSITION/INFORMATION ON INGREDIENTS
Chemical and Common Name CAS Registry Wt. % OSHA PEL ACGIH TLV
Number
Magnesium sulfate, heptahydrate; 10034-99-8* 100% Not Established Not Established
Epsom salt
* Under the Toxic Substances Control Act (TSCA), hydrates are considered as mixtures of their anhydrous salt and
water. Accordingly, the CAS Numbers 7487-88-9, 7732-18-5 are used for purposes of TSCA.
3. HAZARDS IDENTIFICATION
Emergency Overview: White or transparent crystalline odorless powder. Non-combustible. At very
high temperatures, magnesium oxide, sulfur dioxide, and sulfur trioxide may be
generated. Causes mild eye irritation.
Eye contact: Causes mild irritation to the eyes.
Skin contact: No known adverse effects.
Inhalation: Causes nausea, vomiting, abdominal cramps, and diarrhea.
Ingestion: Causes nausea, vomiting, abdominal cramps, and diarrhea.
Chronic hazards: No known chronic hazards. Not listed by NTP, IARC or OSHA as a carcinogen.
Physical hazards: Spilled material can be slippery.
4. FIRST AID MEASURES
Eye: In case of contact, immediately flush eyes with plenty of water for at least 15
minutes. Get medical attention if irritation persists.
Skin: Not applicable.
Inhalation: Remove to fresh air. If not breathing, give artificial respiration. If breathing is
difficult, give oxygen. Get medical attention.
Ingestion: If large quantities of this material are swallowed, call a physician immediately.
Do NOT induce vomiting unless directed to do so by a physician. Never give
anything by mouth to an unconscious person.
5. FIRE FIGHTING MEASURES
Flammable limits: This material is non-combustible.
Extinguishing Media: This material is compatible with all extinguishing media
Hazards to fire-fighters: See Section 3 for information on hazards when this material is present in the area
of a fire.
Epsom Salt, Magnesium Sulfate, U.S.P.
Trade Name:
Date Prepared: January 23, 2006 Page: 2 of 3
Fire-fighting equipment: The following protective equipment for fire fighters is recommended when this
material is present in the area of a fire: chemical goggles, body-covering
protective clothing, self-contained breathing apparatus.
6. ACCIDENTAL RELEASE MEASURES
Personal protection: Wear chemical goggles, See section 8.
Environmental Hazards: Sinks and mixes with water. No adverse effects known. Not a listed toxic chemical
under SARA Title III, 搂313 40 CFR Part 372. Not a CERCLA Hazardous
Substance under 40 CFR Part 302.
Small spill cleanup: Sweep, scoop or vacuum discharged material. Flush residue with water. Observe
environmental regulations.
Large spill cleanup: Keep unnecessary people away; isolate hazard area and deny entry. Do not touch
or walk through spilled material. Sweep, scoop or vacuum discharged material.
Flush residue with water. Observe environmental regulations.
CERCLA RQ (US): There is no CERCLA Reportable Quantity for this material.
7. HANDLING AND STORAGE
Handling: Avoid breathing dust. Promptly clean up pills.
Storage: Keep containers closed. Protect from extremes of temperature and humidity
during storage. Recommended storage conditions 68-110潞 F and 54-87% relative
humidity.
8. EXPOSURE CONTROLS/PERSONAL PROTECTION
Engineering controls: Use with adequate ventilation. Safety shower and eyewash fountain should be
within direct access.
Respiratory protection: Use a NIOSH-approved dust respirator where dust occurs. Observe Provincial
regulations for respirator use.
Skin protection: Wear gloves if abrasion or irritation occurs.
Eye protection: Wear chemical goggles.
9. PHYSICAL AND CHEMICAL PROPERTIES
Appearance: Crystalline odourless powder.
Color: White or transparent.
Odour: Odourless.
pH: Approximately 6-7
1.76 g/cm3, Bulk Density Approximately 1.05 g/cm3
Specific gravity:
Solubility in water: 71g/100 ml at 20潞 C, 91g/100 ml at 40潞 C
10. STABILITY AND REACTIVITY
Stability: This material is stable under all conditions of use and storage.
Conditions to avoid: None.
Materials to avoid: Metal hydrides and other water reactive materials.
Hazardous decomposition
products: At very high temperatures, magnesium oxide, sulfur dioxide, and sulfur trioxide
may be generated.
11. TOXICOLOGICAL INFORMATION
Epsom Salt, Magnesium Sulfate, U.S.P.
Trade Name:
Date Prepared: January 23, 2006 Page: 3 of 3
Acute Data: When tested for primary irritation potential, this material caused mild eye
irritation. RTECS reports Oral TDLo= 428 mg/kg in man 351 mg/kg in women
12. ECOLOGICAL INFORMATION
Eco toxicity: Data not available.
Environmental Fate: This material is not persistent in aquatic systems and does not contribute to BOD.
It does not bioconcentrate up the food chain.
Physical/Chemical: Sinks and mixes with water.
13. DISPOSAL CONSIDERATIONS
Disposal Method: Dispose in accordance with federal, provincial and local regulations.
14. TRANSPORT INFORMATION
TDG UN Status: This material is not regulated hazardous material for transportation.
15. REGULATORY INFORMATION
WHMIS (Canada): Not a WHMIS controlled product
DSL (Canada): All components of this formulation are listed on the CEPA-DSL
CERCLA (US): No CERCLA Reportable Quantity has been established for this material.
SARA TITLE III (US): Not an Extremely Hazardous Substance under 搂302. Not a Toxic Chemical under
搂313. Hazard Categories under 搂搂311/312: Acute
TSCA (US): All ingredients of this material are listed on the TSCA inventory.
FDA: Magnesium sulfate is authorized by FDA GRAS substance pursuant to 21 CFR
184.1443.
16. OTHER INFORMATION
Prepared by: EHS Dept
Supersedes revision of: January 15, 2003
THE INFORMATION ON THIS SAFETY DATA SHEET IS BELIEVED TO BE ACCURATE AND IT IS THE BEST INFORMATION AVAILABLE TO NATIONAL SILICATES THIS
DOCUMENT IS INTENDED ONLY AS A GUIDE TO THE APPROPRIATE PRECAUTIONS FOR HANDLING A CHEMICAL BY A PERSON TRAINED IN CHEMICAL HANDLING.
NATIONAL SILICATES MAKES NO WARRANTY OF MERCHANTABILITY OR ANY OTHER WARRANTY, EXPRESS OR IMPLIED WITH RESPECT TO SUCH INFORMATION OR THE
PRODUCT TO WHICH IT RELATES, AND WE ASSUME NO LIABILITY RESULTING FROM THE USE OR HANDLING OF THE PRODUCT TO WHICH THIS SAFETY DATA SHEET
RELATES. USERS AND HANDLERS OF THIS PRODUCT SHOULD MAKE THEIR OWN INVESTIGATIONS TO DETERMINE THE SUITABILITY OF THE INFORMATION PROVIDED
HEREIN FOR THEIR OWN PURPOSES.
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