PRODUCT IDENTIFICATION

Trade Name: Pro-Tech Urethane Foam
Chemical Name: Polymethylene polyphenylisocyanate
Synonyms: Polymeric MDI
Chemical Family: Aromatic Isocyanate
Formula: N/A
DATE PREPARED: 02/22/05

INGREDIENTS - HAZARD CLASSIFICATION

Name
Diphenylmethane diisocyanate (MDI)1

Higher polymers of similar structure 9016-87-9

1Not listed as a carcinogen (NTA, IARC, OSHA)
 CAS NO.
101-68-8 50

50		 %




 PEL
0.02 ppm ceiling

None Established


SHIPPING INFORMATION

Not regulated when shipped by air, land, or water or when packaged in single containers of 5000 pounds or less.

PHYSICAL DATA

Boiling Point (ºF): 625ºF
Solubility in Water: Insoluble, reacts 		Specific Gravity: 1.24
%Volatile by Volume: None
Appearance and Odor: Brown liquid, slight aromatic odor

This information is furnished without warranty, expressed or implied, except that it is accurate to the best knowledge of Pro-Tech Products, Inc. The data on this sheet relates only to the specific material designated herein. Pro-Tech Products, Inc. assumes no legal responsibility for use or reliance upon these data.

FIRE AND EXPLOSION HAZARD DATA

Flashpoint: 390ºF (P-M) Flammable Limits (Vapor):
Extinguishing Media: Water, dry chemicals, CO2 Lower: None; Upper: None
Special Fire Fighting Procedures: Self-contained breathing apparatus should be worn to protect against toxic and irritating vapors.
Unusual Fire and Explosion Hazards: At temperatures above 400ºF, MDI can polymerize/decompose causing pressure build-up in closed containers and possibly rupture. Avoid water contamination in closed containers which may cause rupture (CO2 is evolved).

REACTIVITY DATA

Stability: Stable Conditions to Avoid: Contamination with water
Polymerization: May occur from contact with water, alcohols, glycols or other materials containing active hydrogen’s.
Incompatibility: Water, alcohols, amines, strong bases.
Hazardous Decomposition Products: By high heat or fire; CO, CO2, NOx, benzene, toluene, aliphatic fragments, traces of HCN.

HEALTH HAZARD DATA

Permissible Exposure Limit: 0.02 ppm ceiling for MDI.
Effects of Overexposure: May cause skin or eye irritation upon contact. Inhalation of MDI vapors may cause breathlessness, chest discomfort, coughing, and reduced pulmonary functions. Exposure may produce asthma-like symptoms, also may lead to allergic sensitivity.

EMERGENCY AND FIRST AID PROCEDURES

Eyes: Flush with flowing water for 15 minutes, then obtain medical attention.
Skin: Remove contaminated clothing and wash off with soap and water.
Inhalation: Move to fresh air, administer oxygen if necessary.
Ingestion: Drink lots of water. See a physician.


SPECIAL PROTECTION INFORMATION

Ventilation: MDI has a very low vapor pressure at room temperature. General/local ventilation typically control exposure levels very adequately. Uses requiring heating and/or spraying may require more aggressive engineering controls or personal protective equipment. Monitoring is required to determine engineering controls.

Respiratory Protection: The specific respirator selected must be based on contamination levels of this material found in the workplace and the working limits of the respirator. A supplied air, full face mask, positive pressure or continuous flow respirator or a supplied air hood is required when airborne concentrations are unknown or exceed threshold limit values. A positive pressure, self contained breathing apparatus can be used in emergencies or other unusual situations. Full-face air purifying respirators equipped with organic vapor cartridges can be used in certain situations, see OSHA standard 29CFR 1910.134. All equipment must be NIOSH/MSHA approved and maintained.

Eye Protection: Goggles or chemical safety glasses.

Gloves: Chemically resistant rubber or plastic.

Other: Avoid eye and skin contact. Eye wash system and showers should be available.

SPILL OR LEAK PROCEDURES

Contain spill. Absorb with sawdust, and shovel into open top drum. Decontaminate absorbent and spill area with 2% detergent/water solution. Let waste stand for 1 to 2 days, then dispose of waste in a licensed facility. Respiratory protection/ventilation is recommended during clean-up.

SPECIAL PRECAUTIONS

Store between 65ºF to 85ºF and out of sunlight. Keep tightly sealed to prevent moisture contamination. Relieve pressure slowly when opening container. Once opened, protect contents from water with dry atmosphere (-40ºF dew point). If isocyanate becomes contaminated, do not reseal. Empty isocyanate drums or other containers should be decontaminated by filling with water or decontamination solution, preferably outdoors. Allow to stand for 24-48 hours, open to the atmosphere. DO NOT SEAL DRUMS OR CONTAINERS. Drain the drums and puncture to prevent reuse. Dispose of as ordinary industrial waste.