Material Safety Data Sheet
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Identity: #853 High Expansion Foam
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Section I
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Manufacturer Name:

Denko Emergency Telephone Number
28 Ryder Pl. 1-877-DENKOFOAM
Freeport, NY 11520    Telephone For Information
1-877-DENKOFOAM
Date Prepared: Jan. 2025
Prepared By: Staff

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Section II - HAZARDOUS INGREDIENTS / IDENTITY INFORMATION
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Hazardous Components OSHA PEL ACGIH TLV PERCENT OPTIONAL
*Methanol 200ppm 200ppm <2
CAS# 67-56-1
**Ethanol CAS# 64-17-5 1000ppm 1000ppm <5

*Methanol is subject to SARA Section 3111 / 312 as an Immediate Health hazard, Delayed Hazard and A Fire Hazard. It is subject to SARA Section 313 and the state Right To Know regulations in New Jersey and Pennsylvania.
**Ethanol is subject to SARA Section 311 / 312 as a Fire Hazard. It is also listed on the following states' Right To Know lists; NJ, PA, MA and RI.

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Section III - PHYSICAL / CHEMICAL CHARACTERISTICS
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Boiling Point: . . . . . . .>NA Specific Gravity. (H2O=1) <1
Vapor Pressure (mm Hg). . . .NA Melting Point . . . . . . . . .: NA
Vapor Density (water=1). . . . .NA Evaporation Rate . . . . . .: NA
(Butyl Acetate=1)
Solubility in water . . . . . .Complete
Appearance and Odor: Clear liquid, slight alcohol odor
Health . . . . .1
Flammability . . . . .0
Reactivity . . . . .0

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Section IV - FIRE AND EXPLOSION HAZARD
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Flash Point (Method Used): 158 deg.F COC Flammable Limits: LEL: UEL:

Extinguishing Media: Water fog, dry chemical, foam or carbon dioxide. Use water to keep fire exposed containers cool. If spill has not ignited, use water spray to disperse vapors. Special Fire Fighting Procedures: Water sprays may be used to flush spills away from fire and to dilute spills. Unusual Fire and Explosion Hazards: Firefighters should wear self-contained breathing apparatus in the positive pressure mode with a full facepiece when there is a possibility of exposure to smoke, fumes or hazardous decomposition products.

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Section V - #853
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Stability Unstable   Conditions to Avoid: High temperatures
  Stable X  

Incompatibility (materials to avoid): Avoid contact with strong bases

Hazardous Decomposition or Byproducts: Decomposition may produce oxides of sulfur and carbon.

Hazardous Polymerization May occur   Conditions to Avoid:
  Will not occur X  

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Section VI - Health Hazard Data
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Route(s) of entry Inhalation? No Skin? Mild irritant Ingestion? Yes

Health Hazards (Acute and Chronic): May cause skin, eye, and respiratory irritation. Ingestion may produce nausea and / or vomiting.

Carcinogenicity: No

Medical Conditions Generally Aggravated by Exposure: Possible skin diseases. Emergency and First Aid Procedures: Skin - Flush with water. If irritation occurs, see physician.
Eyes - Flush with water and get medical attention. Inhalation - Remove victim to fresh air. If cough or other symptoms develop, seek medical attention. Ingestion - get medical attention.

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Section VII - Precautions for Safe Handling and Use
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Steps to Be Taken in Case Material is Released or Spilled: Use absorbent to contain spilled material.
Transfer to secure containers.
Waste Disposal Method: Dispose according to Federal, state and local regulations.
Precautions For Storing and Handling: Empty containers retain product residues. All hazards described on this MSDS must be observed.
Other Precautions: None

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Section VIII - Control Measures
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Respiratory Protection (Specify Type): Handle in the presence of adequate ventilation. If exposure exceeds acceptable criteria, use NIOSH / OSHA approved respirator equipment.

Ventilation | Local Exhaust: Special:
| Mechanical: Other:

Protective Gloves: Impermeable
Eye Protection: Safety glasses / goggles with side shields
Other Protective Clothing or Equipment: If exposure is anticipated to skin, wear impermeable clothing.
Work Hygienic Practices: Wash thoroughly after handling. Launder contaminated clothing before reuse.

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DENKO (TM)
Long Island, New York

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