MATERIAL SAFETY DATA SHEET

 

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

                                                                             Last Revision:               January 29, 2004

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

Emergency       CHEMTREC               800-424-9300

Phones:            Wausau Chemical         715-842-2285

SECTION 1 - MATERIAL IDENTIFICATION

 

 

 

NAME:            SODIUM METASILICATE

                        PENTAHYDRATE

FORMULA:    Na₂SiO₃-5H₂ O           M.W. 212.05

SYNONYMS: Silicic Acid, Disodium Salt; Disodium Trioxosilicate

SECTION 2  - HAZARDOUS INGREDIENTS

 

 

 

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

Disodium Trioxosilicate             6834-92-0       57.5%              2mg/m³                 NO

Water                                                   7732-18-5       42.5%                                                  NO

 

SECTION 3 – CHEMICAL AND PHYSICAL PROPERTIES

 

 

 

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

Odor:                     Odorless                                        Melting Point (^oF):                                ND

pH:                               12.4 (Solution)             Specific Gravity (H₂O=1 @ 70^oF):       2.40

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

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):               N/A                 Explosive Limits: Lower            N/A     Upper              N/A    

Flammable Limits:                     N/A                 Auto Ignition Temperature:        None

Extinguishing Media:                 Water spray, dry chemical, carbon dioxide or alcohol resistant foam.

 

Special Fire Fighting Procedures and Hazards:  Wear chemical protective clothing and positive pressure self-contained breathing apparatus. Approach upwind to avoid toxic vapors.

 

Unusual Fire & Explosion Hazards:                               None known.

 

SECTION 5 – REACTIVITY INFORMATION

 

 

Stable:    X  Unstable:               Hazardous Polymerization:   Occurs:                 Does not Occur:           X

 

Conditions to Avoid:                 Certain products or their residues may react and produce deadly carbon monoxide.

Materials to Avoid:                   In aqueous solutions, material could react with aluminum, galvanized iron and zinc, which could generate flammable hydrogen gas.

 

Decomposition Products:          None

Sodium Metasilicate Pentahydrate                                                                                                   Page 2

SECTION 6 – HEALTH HAZARDS – PROTECTIVE MEASURES  – FIRST AID

 

 

Carcinogen:      No

 

EYES:              Corrosive to the eyes. Use chemical goggles when handling this product. In the event of contact flush with water for 15 minutes. Do not rub eyes. Do not wear contact lenses. Get medical attention if symptoms develop.

 

SKIN:              Corrosive to skin on repeated or prolonged contact. Use neoprene or rubber gloves and apron when handling this product. In the event of contact flush with water for 15 minutes. Get medical attention if symptoms develop.

 

INHALATION:           Dust can cause severe irritation of the respiratory system. Use product in well-ventilated area. Prevent breathing dust. If inhaled, remove victim to fresh air, if not breathing perform artificial respiration. Get immediate medical attention.

 

INGESTION:              Irritant to the gastrointestinal tract, causing nausea, vomiting, cramps, and diarrhea. Drink large amounts of water. Do Not induce vomiting. If vomiting does occur, give fluids again. 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:            Contain to prevent loss to the environment. Use adequate ventilation, and wear a dust mask to prevent inhaling. Sweep and collect excess material. Reuse, or if contaminated, place in chemical waste container for disposal.

 

STORAGE AND HANDLING:           Keep containers tightly closed. Store in cool, dry, well-ventilated area.

WASTE DISPOSAL:              Sweep up material, without creating dust. Place in chemical waste container. Follow recommendations of local, state and federal regulations.

 

EMPTY CONTAINERS:        Send to a recycling center.

SECTION 8 – REGULATORY INFORMATION

 

 

 

DOT SHIPPING DESCRIPTION:                  Disodium Trioxosilicate, Pentahydrate, 8, UN3253, PG III

 

LABEL REQUIRED                                        Corrosive

 

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