MATERIAL SAFETY DATA SHEET

 

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

                                                                             Last Revision:               January 29, 2004

HMIS Hazard 4 – Extreme                  Health              2 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:            SODIUM BISULFITE-38%

SYNONYMS:            

SECTION 2  - HAZARDOUS INGREDIENTS

 

 

 

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

Sodium Bisulfite                                    7631-90-5       38-42%           5 mg/m3                       NO

 

 

 

 

SECTION 3 – CHEMICAL AND PHYSICAL PROPERTIES

 

 

 

Appearance:           Clear pale yellow liquid                   Boiling Point (^oF):                                 >212 ^oF

Odor:                     Sulfur dioxide odor             Freezing Point (^oF):                               10 ^oF

pH:                         3 to 5                                             Crystallizaton Point ( ^oF)                       38 ^oF

Water solubility:                        Complete                     Specific Gravity (H₂O=1 @ 70^oF):       1.340  

Vapor Density (air=1):  ND                              Vapor Pressure, mm Hg, 20^oC: 78 mm Hg        ND

Evaporation Rate (Butyl Acetate = 1)                ND      Volatile Organic (VOC) content:                       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:                 As appropriate for surrounding fire.

 

Special Fire Fighting Procedures and Hazards:  Use self contained breathing apparatus.

 

Unusual Fire & Explosion Hazards:                               Releases sulfur dioxide gas when heated.

 

SECTION 5 – REACTIVITY INFORMATION

 

 

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

 

Conditions to Avoid:                 Sources of heat.

 

Materials to Avoid:                   Oxidizing agents

 

Decomposition Products:          With heat or oxidizing agents releases toxic Sulfur dioxide gas.

 

Sodium Bisulfite-38%                                                                                                                        Page 2

SECTION 6 – HEALTH HAZARDS – PROTECTIVE MEASURES  – FIRST AID

 

 

Carcinogen:      No

 

EYES:              Causes severe burns. Use chemical goggles when handling this product. In the event of contact flush with water for 15 minutes. Get medical attention if symptoms develop.

 

SKIN:              Causes severe burns on 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:           Mist or vapors are extremely irritating to the respiratory system. Remove to fresh air. Get medical attention.

 

INGESTION:              Corrosive to the mouth, esophagus and mucous membranes. Drink large amounts of water. DO NOT induce vomiting. 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. Collect excess material. Neutralize then flush residual material to a sanitary sewer.

 

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

 

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

 

EMPTY CONTAINERS:        Rinse thoroughly with water. Send to a recycling center or return to Wausau Chemical Corporation.

SECTION 8 – REGULATORY INFORMATION

 

 

 

DOT SHIPPING DESCRIPTION:      Bisulfites, Inorganic, Aqueous Solutions, N.O.S., (Sodium                                                                                 Bisulfite) 8, UN2693, 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