MATERIAL SAFETY DATA SHEET

 

Wausau Chemical Corporation, 2001 N. River Drive, Wausau, WI 54403

                                                                             Last Revision:               October 13, 2004

HMIS Hazard 4 – Extreme                  Health              0 3 – High                       Fire                  0 2 – Moderate               Reactivity         0 1 – Slight                      Other 0 - Least

Emergency       CHEMTREC               800-424-9300

Phones:            Wausau Chemical         715-842-2285

SECTION 1 - MATERIAL IDENTIFICATION

 

 

 

NAME:            POTASSIUM SULFATE

FORMULA     K₂ SO₄            M.W. = 174.26

SYNONYMS: Sulfuric Acid Dipotassium Salt

SECTION 2  - HAZARDOUS INGREDIENTS

 

 

 

HAZARDOUS CHEMICAL               CAS #             PERCENT       PEL/TWA        SARA III, SEC 313    

Potassium Sulfate                                  7778-80-5       90-100%         NE                               NO

 

 

 

SECTION 3 – CHEMICAL AND PHYSICAL PROPERTIES

 

 

 

Appearance:           White granular or powder               Boiling Point (^oF):                                 3072 ^oF

Odor:                     None                                              Melting Point (^oF):                                1953 ^oF

pH:                         1% solution  7.0                             Specific Gravity (H₂O=1 @ 70^oF):       NA

Water solubility:            Complete                                 Vapor Pressure, mm Hg, 20^oC:             NA

Vapor Density (air=1):  NA                              Volatile Organic (VOC) content:           NA

Evaporation Rate (Butyl Acetate = 1)                NA

 

SECTION 4 – FIRE AND EXPLOSION HAZARDS

 

 

Flash Point (Method):               None                Explosive Limits: Lower            None    Upper              None   

Flammable Limits:                     None                Auto Ignition Temperature:        None

Extinguishing Media:                 Not applicable

 

Special Fire Fighting Procedures and Hazards:  Not a fire hazard.

 

Unusual Fire & Explosion Hazards:       None

SECTION 5 – REACTIVITY INFORMATION

 

 

Stable:  Under ordinary conditions                                 Hazardous Polymerization         Does not Occur:

 

Conditions to Avoid:                 Contact with incompatible materials

Materials to Avoid:                   Aluminum and Magnesium

Decomposition Products:          Oxides of sulfur and potassium

 

Potassium Sulfate                                                                                                                              Page 2

SECTION 6 – HEALTH HAZARDS – PROTECTIVE MEASURES  – FIRST AID

 

 

Carcinogen:      No

 

EYES:              No adverse effects expected but dust may cause mechanical irritation. In the event of contact flush thoroughly with water. Get medical attention if symptoms develop.

 

SKIN:              No adverse effects expected. In the event of contact wash with water. Get medical attention if symptoms develop.

 

INHALATION:           Dust can cause irritation of the respiratory system with sneezing and coughing. Remove to fresh air. if breathing difficulty develops get medical attention.

 

INGESTION:              Large oral dosage may produce gastrointestinal irritation.. Drink large amounts of water. Get immediate medical attention.

 

IN ALL CASES:          GET PROMPT MEDICAL ATTENTION IF ADVERSE EFFECTS PERSIST

 

PRIMARY ROUTES OF ENTRY:      Skin, eyes, inhalation, ingestion.

 

HYGIENE:      Wash hands and face before eating or drinking. Wash soiled clothing before wearing again if contact occurs.

SECTION 7 – PRECAUTIONS FOR SAFE HANDLING, STORAGE AND USE

 

 

 

SPILLS AND LEAKS:            Collect and containerize. Flush residual material to a sanitary sewer.

 

STORAGE AND HANDLING:           Keep containers tightly closed. Store at ambient temperatures.

 

WASTE DISPOSAL:              Follow recommendations of local, state and federal regulations.

 

EMPTY CONTAINERS:        Rinse with water. Send to a recycling center.

 

SECTION 8 – REGULATORY INFORMATION

 

 

 

DOT SHIPPING DESCRIPTION:                  NONE

 

LABEL REQUIRED                                        NONE

 

The information contained herein is given in good faith, but no warranty, representation, inducement or license of any kind is made, except that the information is accurate to the best of Wausau Chemical Corporation’s knowledge, or is obtained from sources believed by Wausau Chemical Corporation to be reliable and accurate. Wausau Chemical Corporation does not assume any legal responsibility for use or reliance upon the information being furnished. Customers are encouraged to conduct their own tests. Before using any product, read the container label directions as well as the Material Safety Data Sheet.

 

 

 

 

 

 

ND – Not Determined              NA – Not Applicable               NE – Not Established