Product ID:RTV SILICONE RUBBER T 330
MSDS Date:12/16/1994
FSC:6850
NIIN:01-167-2003
MSDS Number: BXRCL

Emergency Phone: 800-424-9300 (CHEMTREC)

Info Phone: 517-264-5500

Cage: 0DF77

Telephone: 517-264-8500

Cage: 0DF77

POLY (DIMETHYLSILOXANE)

CAS: 63148-62-9

RTECS: JJ6484500

CATALYST

METHYL ETHYL KETOXIME

CAS: 96-29-7

RTECS: EL9275000

LD50 LC50 Mixture:NO DATA PROVIDED BY RESPONSIBLE PARTY.
Routes of Entry: Inhalation:NO Skin:YES Ingestion:NO
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:TARGET ORGANS:EYE, SKIN. THE FOLLOWING
HUMAN HEALTH HAZARDS APPLY ONLY TO THE PRODUCT AS PACKAGED, NOT TO
CURE/HYDROLYSIS BY-PRODUCTS. ACUTE- EYE:MAY CAUSE SEVERE
IRRITATION. PROLONGED CONTACT MAY CAU SE BURNS. SKIN:MAY CAUSE
IRRITATION, BURNS, AN ALLERGIC SKIN REACTION. MAY BE ABSORBED
THROUGH SKIN CAUSING REVERSIBLE NARCOSIS, HEMOLYTIC ANEMIA,
METHEMOGLOBINEMIA. INHALE:NO TOXIC EFFECTS. ORAL:NOT EXPECTED.
CHRONIC- UNKNOWN. CONTACT WITH THIS MATERIAL MAY CAUSE AN ALLERGIC
RESPIRATORY REACTION IN PERSONS SENSITIVE TO A COMPONENT PRESENT AT
<1.0% IN THIS FORMULATION.
Explanation of Carcinogenicity:THIS MATERIAL DOES NOT CONTAIN ANY
INGREDIENTS LISTED BY IARC, NTP OR OSHA AS CARCINOGENS IN AMOUNTS
EXCEEDING 0.1%.
Effects of Overexposure:IRRITATION, ALLERGIC SKIN REACTION, BURNS.
Medical Cond Aggravated by Exposure:THERE ARE NO DATA AVAILABLE WHICH
ADDRESS MEDICAL CONDITIONS WHICH ARE GENERALLY RECOGNIZED AS BEING
AGGRAVATED BY EXPOSURE TO THIS PRODUCT.

First Aid:SKIN: REMOVE AS MUCH MATERIAL AS POSIBLE USING
MECHANICAL/WATERLESS METHODS BEFORE WASHING WATER. SEEK MEDICAL
ATTENTION FOR BURNS OR IRRITATION FROM CONTACT WITH CURE
BYE-PRODUCTS. EYE:FLUSH WITH LAR GE AMOUNTS OF WATER FOR 15
MINUTES, HOLDING EYELIDS OPEN. GET IMMEDIATE MEDICAL ATTENTION.
INHALED:REMOVE TO FRESH AIR AND PROVIDE OXYGEN IF BREATHING
DIFFICULT. GET MEDICAL ATTENTION. INGESTION: NOT APPLICABLE.

Extinguishing Media:USE CARBON DIOXIDE, DRY CHEMICAL OR FOAM-TYPE
EXTINGUISHING MATERIAL.
Fire Fighting Procedures:AS IN ANY FIRE, PREVENT HUMAN EXPOSURE TO
FIRE, SMOKE, FUMES OR PRODUCTS OF COMBUSTION. EVACUATE
NON-ESSENTIAL PERSONNEL FROM FIRE AREA. FIRE FIGHTERS SHOULD WEAR
FULL-FACE, SELF-CONTAINED BREATHING A PPARATUS & IMPERVIOUS
PROTECTIVE CLOTHING.
Unusual Fire/Explosion Hazard:THIS IS A PASTE-LIKE MATERIAL THAT WILL
BURN WITH A LAZY SMOLERING TYPE FLAME. COMBUSTIBLE VAPORS MAY
ACCUMULATE IN THE CONTAINER HEADSPACE ON FORMATION OF HYDROLYSIS
BY-PRODUCTS.

Spill Release Procedures:SMALL SPILLS CAN BE HANDLED ROUTINELY. USE
ADEQUATE VENTILATION & WEAR NIOSH-APPROVED RESPIRATOR WITH DUST,
MIST & FUME FILTER TO PREVENT INHALATION EXPOSURE. WEAR PROTECTIVE
CLOTHING TO PREVENT SKIN & EYE CONTACT. ABSORB SPILL WITH
SAND/FULLER'S EARTH. SWEEP UP & PLACE IN AN APPROPRIATE CHEMICAL
WASTE CONTAINER. FLUSH AREA WITH WATER.
Neutralizing Agent:NO DATA PROVIDED BY RESPONSIBLE PARTY.

Handling and Storage Precautions:STORE IN A COOL, DRY, WELL VENTILATED
AREA. EXERCISE DUE CAUTION TO PREVEENT DAMAGE TO THE CONTAINER.
KEEP CONTAINERS CLOSED, EVEN WHEN EMPTY. OPEN CONTAINER WITH CARE.
COMBUSTIBLE VAPORS MAY BE PRESE NT IN THE CONTAINER HEADSPACE AS A
RESULT OF HYDROLYSIS BYE-PRODUCTS.
Other Precautions:NOT RECOMMENDED FOR USE WITH ACRYLIC SUBSTRATES.
NONCORROSIVEE TO MATERIALS COMMONLY USED IN THE CONSTRUCTION OF
PROCESS EQUIPMENT, STORAGE AND SHIPPING CONTAINERS.

Respiratory Protection:IF ADEQUATE VENTILATION IS NOT AVAILABLE, WEAR A
NIOSH/MSHA APPROVED AIR-PURIFYING RESPIRATOR WITH ORGANIC VAPOR
FILTER CARTRIDGES. NOTE: RESPIRATORY PROTECTION IS RECOMEMNDED IN
THE EVENT THAT VENTIL ATION OR ENGINEERING CONTROLS ARE UNABLE TO
MAINTAIN EXPOSURE BELOW RECOMMENDED LEVELS OR IN THE EVENT OF A
SPILL OR OTHER EMERGENCY SITUATION
Ventilation:ONE OR MORE OF THE FOLLOWING METHODS MAY BE USED TO LIMIT
EXPOSURE: LOCAL EXHUAST, ENCLOSURE OR CONFINEMENT OF OPERATION,
PROCESS ISOLATION.
Protective Gloves:LATEX OR VINYL
Eye Protection:SAFETY GLASSES OR GOGGLES OR FACE SHIELD.
Other Protective Equipment:SAFETY SHOWER AND EYE WASH FOUNTAIN SHOULD
BE LOCATED NEARBY. MINIMIZE SKIN CONTACT THROUGH USE OF
LONG-SLEEVED CLOTHING.
Work Hygienic Practices:OPEN CONTAINERS OF FOOD & BEVERAGES SHOULD BE
KEPT AWAY FROM USE/STORAGE AREAS. EATING, DRINKING, SMOKING OR
APPLYING COSMETICS SHOULD BE PROHIBITED IN AREAS OF USE/STORAGE,
Supplemental Safety and Health
FORMULA CHANGED. FOR PREVIOUS FORMULATION, SEE MFN 1, SAME NSN. THIS
MATERIAL RELEASES METHYLETHYLKETOXIME (MEKO) UPON HYDROLYSIS. WHEN
HYDROLYSIS IS COMPLETE, MEKO WILL NO LONGER BE RELEASED. IN ANIM AL
ORAL TOXICITY TESTS, MEKO CAUSED ADVERSE EFFECTS IN RED BLOOD
CELLS; ALTERATIONS WERE SEEN IN SPLEEN, LUNG & KIDNEY.

HCC:T6
Spec Gravity:1.33
Solubility in Water:INSOLUBLE
Appearance and Odor:BLACK PASTE, WITH AN OXIME ODOR
Percent Volatiles by Volume:4.2 (BY WT)

Stability Indicator/Materials to Avoid:YES
WATER, ACIDS, IRON; MAY REACT VIOLENTLY IF IN CONTACT WITH
ELECTROPHILES.
Stability Condition to Avoid:EXCESSIVE HEAT, AIR AND MOISTURE
Hazardous Decomposition Products:CARBON MONOXIDE, CARBON DIOXIDE,
OXIDES OF NITROGEN, SILICON DIOXIDE, FORMALDEHYDE AND VARIOUS
HYDROCARBON FRAGMENTS.
Conditions to Avoid Polymerization:WATER EXPOSURE, STRONG ACID CONTACT,
HEAT (ESPECIALLY IN PRESENCE OF IRON)

Waste Disposal Methods:DISPOSE OF EMPTY CONTAINERS OR WASTE MATERIAL
ACCORDING TO ANY APPLICABLE REGULATIONS UNDER THE RESOURCE
CONSERVATION AND RECOVERY ACT (RCRA). NOTE: STATE & LOCAL
REGULATIONS MAY BE MORE STRINGENT THA N RCRA. EMPTY CONTAINERS MAY
CONTAIN RESIDUAL MATERIAL. DO NOT REUSE CONTAINERS UNLESS PROPERLY
RECO NDITIONED.

Toxicological Information:TOXICOLOGICAL TESTING HAS NOT BEEN CONDUCTED
WITH THIS MATERIAL BY WACKER SILICONES CORPORATION.

Disclaimer (provided with this information by the compiling agencies):
This information is formulated for use by elements of the Department
of Defense. The United States of America in no manner whatsoever,
expressly or implied, warrants this information to be accurate and
disclaims all liability for its use. Any person utilizing this
document should seek competent professional advice to verify and
assume responsibility for the suitability of this information to their
particular situation.

Ecological:NO DATA PROVIDED BY RESPONSIBLE PARTY.

Transport Information:US DOT PROPER SHIPPING NAME: NOT REGULATED.

SARA Title III Information:THIS MATERIAL DOES NOT CONTAIN ANY
SUBSTANCES ON THE LIST OF TOXIC CHEMICALS SUBJECT TO SECTION 313 OF
THE SUPERFUND AMENDMENTS AND REAUTHORIZATION ACT OF 1986 (SARA
TITLE III).
Federal Regulatory Information:RCRA WASTE NUMBER: NOT APPLICABLE. TSCA:
THIS MATERIAL OR ITS COMPONENTS ARE LISTED ON THE TSCA CHEMICAL
SUBSTANCE INVENTORY AND IS IN COMPLIANCE WITH ALL APPLICABLE RULES
AND ORDERS.
State Regulatory Information:CALIFORNIA PROPOSITION 65: NO COMPONENTS
LISTED. MASSACHUSETTS SUBSTANCE LIST: NO COMPONENTS LISTED.
PENNSYLVANIA HAZARDOUS SUBSTANCE LIST: NO COMPONENTS LISTED. NEW
JERSEY R-T-K HAZARDOUS SUBSTANCE L IST: NO COMPONENTS LISTED.