Date: October 7, 2005 Page 1 of 3
Material Safety Data Sheet
Avanti International Chemtrec Emergency Phone: 800-424-9300
822 Bay Star Blvd. Product Data Information: 281-486-5600
Webster, TX 77598 Fax: 281-486-7300
Product Identification
Product Name: AV-254 GELSEAL
Composition/Ingredient Information
Ingredient Name / CAS Number Exposure Limits Concentration
Poly(ethylene oxide) - OSHA: Not established
Trimethylolpropane Polymer ACGIH: Not established Trade Secret
CAS #53426-99-6
2-(2-ethoxyethoxy)ethyl Acetate OSHA: Not Established
CAS #112-15-2 ACGIH: Not established Trade Secret
Dibutyl Maleate OSHA: Not established
CAS #105-76-0 ACGIH: Not established Trade Secret
2,4 Toluene Diisocyanate OSHA PEL: 0.005 ppm
CAS #584-84-9 ACGIH TWA: 0.005 ppm Trade Secret
2,6 Toluene Diisocyanate OSHA PEL: 0.005 ppm
CAS #91-08-7 ACGIH TWA: 0.005 ppm Trade Secret
Hazards Information
Primary Route(s) of Entry: Skin absorption and inhalation.
Health Hazards: Severe eye irritation, severe skin and upper respiratory irritation are possible.
Eye Contact: Vapors are irritating to the eyes; with redness, tearing, blurred vision. Prolonged vapor contact may cause
conjunctivitis.
Skin Contact: Exposure can cause redness swelling, scaling or blistering of the skin. Prolonged or repeated contact may
cause moderate dermatitis.
Ingestion: May have corrosive effects on the lining of the mouth and stomach. May produce abdominal pain, nausea,
diarrhea, and vomiting.
Inhalation: Exposure can cause upper respiratory tract irritation and pulmonary edema can occur after a serious vapor
exposure; pulmonary sensitization can occur in some individuals leading to asthma like spasms of the bronchial tubes
and difficulty in breathing.
First Aid Measures
Eyes: Flush with plenty of water for at least 15 minutes. Get immediate medical attention.
Skin: Wash thoroughly with soap and water. If irritation develops, consult a physician. All contaminated clothing should be
washed prior to reuse.
Inhalation: Remove to fresh air. If breathing has stopped administer artificial respiration. If breathing is difficult, administer
oxygen and get medical attention. Asthma like symptoms may develop.
Ingestion: May have corrosive effects on the lining of the mouth and stomach; symptoms may include sore throat,
abdominal pain, nausea, vomiting and diarrhea. Do not induce vomiting. If vomiting occurs, keep head below hips to
prevent aspiration into lungs. Seek immediate medical attention. (Never give anything by mouth to an unconscious or
convulsing person.)
Fire and Explosion Hazards
Flash Point: 285癋 (140.5癈) COC
Flammable Limits: Not determined.
Extinguishing Media: Dry chemical, carbon dioxide, foam, or water.
Special Fire Fighting Procedures: Wear self-contained breathing apparatus and full protective clothing.
Unusual Fire and Explosion Hazards: Toxic fumes (carbon dioxide, carbon monoxide, carbon dioxide, nitrogen oxides,
traces of cyanic acid, and TDI vapors) are released in fire situations. Downwind personnel must be evacuated.
AV-254 GELSEAL Page 2 of 3
Accidental Release Measures
Spill or Leak Procedures: Eliminate all ignition sources and evacuate spill area; with adequate ventilation, cover the spill
with an inert absorbent material. Pour isocyanate decontaminant solution (90% water, 8% concentrated ammonia, 2%
detergent) on spill and allow to react for 10 minutes. Alternately, pour water on the spill and allow reaction to occur for
more than 30 minutes. Place in a proper waste container. Do not seal the drum for 48 hours to avoid possible pressure
buildup. Wear respirator and other protective equipment for protection of eyes and skin during cleanup.
Handling and Storage
Storage: Store in a dry area between 64癋-86癋 (18?30癈).
Handling: Handling: Use only in well ventilated areas, unless used with recommended respiratory protection. Empty
containers of this material may be hazardous when empty since they retain product residues; observe all warnings and
precautions listed for the product.
Exposure Controls and Personal Protection
Respiratory Protection: Wear NIOSH approved respirator for airborne concentrations in excess of the applicable exposure
limits in accordance with OSHA regulations.
Ventilation: Mechanical general/local exhaust to control vapor or mist below maximum exposure limits.
Protective Clothing: Wear impervious clothing, including boots, gloves, lab coat, apron or coveralls.
Eye Protection: Use chemical safety goggles and/or a full face shield where splashing is possible. Maintain an eye wash
fountain and quick drench facilities in the work area.
Other Protective Equipment: Use impervious rubber gloves and boots.
Work/Hygienic Practices: Wash with soap and water after handling. Remove contaminated clothing and wash before next
use.
Physical and Chemical Properties
Appearance and Odor: Pale yellow liquid, slightly sweet odor.
Boiling Point: 537 癋 (281 癈)
Vapor Pressure (mm Hg @ 20癈): 0.025
Vapor Density: 6:1
Specific Gravity (water=1): 1.114 (+0.005)
Melting Point: Not Determined
Evaporation Rate (butyl acetate): Not Determined
Solubility in Water: Soluble, reacts rapidly with water to liberate carbon dioxide gas.
Stability and Reactivity
Stability: Stable in sealed containers.
Incompatibility (materials to avoid): Water, amines, strong bases and alcohols.
Hazardous Decomposition Products: Carbon dioxide, carbon monoxide, carbon dioxide, nitrogen oxides, traces of cyanic
acid, and TDI vapors.
Polymerization: Can occur in contact with moisture, other materials that react with isocyanates, or at temperatures around
350 癋 (177 癈)
Toxicological Information
Carcinogenicity: NTP and IARC consider Toluene Diisocyante a potential carcinogen
IARC monographs:
Teratogenicity: None Determined
Reproductive Toxicity: Not Determined
Mutagenicity: None Determined
Synergistic products: None OSHA regulated: Yes
AV-254 GELSEAL Page 3 of 3
Ecological Information
None listed.
Disposal Considerations
Dispose of in accordance with local, state, and federal regulations.
Transport Information
Proper Shipping Name: Non-Regulated Caulking Compound
DOT Hazard Classification: None
UN/NA Number: None
Packaging Group: None
Freight Class:
DOT Labels Required: None
DOT Placards Required: None
Regulatory Information
TSCA SARA 302 SARA 313 CERCLA RCRA TSCA
RQ TPQ LIST 261.33 8(d)
Poly(ethyleneoxide) Trimethylolpropane
Polymer (53426-99-6): NO NO NO NO NO NO NO
2-(2-ethoxyethoxy)ethylacetate (112-15-2): NO NO NO NO NO NO NO
Dibutyl Maleate (105-76-0): NO NO NO NO NO NO NO
2,4 Toluene Diisocyanate (584-84-9): YES 100 YES YES U223 YES
2,6 Toluene Diisocyanate (91-08-7): YES 100 YES YES U223 YES
Other Information
The information on this MSDS is accurate to the best of Avanti International's knowledge. Avanti International makes no
expressed or implied warranty, and in no case shall be liable for consequential, special, or indirect damages resulting from
the use or handling of this product.
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