MSDS
MATERIAL SAFETY DATA SHEET
MagnaGrow庐, Magnesium Sulfate Heptahydrate
Trade Name:
Date Prepared: 03/07/05 Page: 1 of 4
1. CHEMICAL PRODUCT AND COMPANY IDENTIFICATION
Product name: Epsom Salt, Agricultural Grade
Product description: Magnesium sulfate, heptahydrate
Manufacturer: PQ Corporation
P. O. Box 840
Valley Forge, PA USA
Phone number: 610-651-4200
In case of emergency call: 1 610-651-4200
For transportation emergency
Call CHEMTREC: 1 800-424-9300
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.
Noncombustible. 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.
MagnaGrow庐, Magnesium Sulfate Heptahydrate
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Date Prepared: 03/07/05 2 of 4
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 noncombustible.
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.
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: Carefully shovel or sweep up spilled material and place in suitable
container. Avoid generating dust. Use appropriate Personal Protective
Equipment (PPE).
Large spill cleanup: Keep unnecessary people away; isolate hazard area and deny entry. Do
not touch or walk through spilled material. Carefully shovel or sweep up
spilled material and place in suitable container. Avoid generating dust.
Use appropriate Personal Protective Equipment (PPE).
CERCLA RQ: 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
OSHA regulations for respirator use (29 C.F.R. 搂1910.134)
Skin protection: Wear gloves if abrasion or irritation occurs.
Eye protection: Wear chemical goggles.
MagnaGrow庐, Magnesium Sulfate Heptahydrate
Trade Name:
Date Prepared: 03/07/05 3 of 4
9. PHYSICAL AND CHEMICAL PROPERTIES
Appearance: Crystalline odorless powder..
Color: White or transparent.
Odor: Odorless.
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
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
Classification: Disposed material is not a RCRA hazardous waste.
Disposal Method: Dispose in accordance with local, state, and federal regulations.
MagnaGrow庐, Magnesium Sulfate Heptahydrate
Trade Name:
Date Prepared: 03/07/05 4 of 4
14. TRANSPORT INFORMATION
DOT UN Status: This material is not regulated hazardous material for transportation.
15. REGULATORY INFORMATION
CERCLA: No CERCLA Reportable Quantity has been established for this material.
SARA TITLE III: Not an Extremely Hazardous Substance under 搂302. Not a Toxic
Chemical under 搂313. Hazard Categories under 搂搂311/312: Acute
TSCA: 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. Epsom salt, Agricultural grade is not a suitable grade of
magnesium sulfate for pharmaceutical uses.
16. OTHER INFORMATION
Prepared by: John G. Blumberg
Supersedes revision of: 10/13/03
THE INFORMATION ON THIS SAFETY DATA SHEET IS BELIEVED TO BE ACCURATE AND IT IS THE BEST
INFORMATION AVAILABLE TO PQ CORPORATION THIS DOCUMENT IS INTENDED ONLY AS A GUIDE TO THE
APPROPRIATE PRECAUTIONS FOR HANDLING A CHEMICAL BY A PERSON TRAINED IN CHEMICAL HANDLING.
PQ CORPORATION 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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