MATERIAL SAFETY DATA SHEET

 

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

                                                                             Last Revision:               January 21, 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:            DEFOAMER CONCENTRATE

SYNONYMS:             Silicone emulsion

SECTION 2  - HAZARDOUS INGREDIENTS

 

 

 

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

Dimethylpolysiloxane                            63148-62-9     10%                 NE                               NO

 

 

 

 

SECTION 3 – CHEMICAL AND PHYSICAL PROPERTIES

 

 

 

Appearance:           Milky white, opaque liquid  Boiling Point (^oF):                                 212 ^oF

Odor:                     Mild odor                                       Melting Point (^oF):                                NA

pH:                         NA                                                            Specific Gravity (H₂O=1 @ 70^oF):       1.00

Water solubility:      Dispersible                         Vapor Pressure, mm Hg, 20^oC: < 20

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

Evaporation Rate (Butyl Acetate = 1)                <1       

 

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:                 Suitable for surrounding fire

 

Special Fire Fighting Procedures and Hazards:  None

 

Unusual Fire & Explosion Hazards:                               None known.

 

SECTION 5 – REACTIVITY INFORMATION

 

 

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

 

Conditions to Avoid:                 None known.

 

Materials to Avoid:                   None known.

 

Decomposition Products:          After evaporation of water, residue can burn to produce carbon monoxide and oxides of silicon.

 

Defoamer Concentrate                                                                                                                      Page 2

SECTION 6 – HEALTH HAZARDS – PROTECTIVE MEASURES  – FIRST AID

 

 

Carcinogen:      No

 

EYES:              Mild eye irritant. In the event of contact flush thoroughly with water. Use eye protection when handling this product. Get medical attention if symptoms develop.

 

SKIN:              Not likely to cause any adverse effects. Wash with soap and water.

 

INHALATION:           No known adverse effects.

 

INGESTION:              No known adverse effects. Drink plenty of water. Get medical attention if any adverse effects develop.

 

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. 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 or return to Wausau Chemical Corporation.

 

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