UR1600 MATERIAL SAFETY DATA SHEET

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I - MATERIAL IDENTIFICATION AND INFORMATION
II - PHYSICAL/CHEMICAL CHARACTERISTICS
III - FIRE AND EXPLOSION DATA
IV - REACTIVITY HAZARD DATA
V - HEALTH HAZARD DATA
VI - CONTROL AND PROTECTIVE MEASURES
VII - PRECAUTIONS FOR SAFE HANDLING AND USE/LEAKS
RELATED DOCUMENTS

SECTION I - MATERIAL IDENTIFICATION AND INFORMATION

Components - Chemical Name & Common Names
(Hazardous Components 1% or greater: Carcinogens 0.1% or greater)

CHEMICAL NAME (COMMON NAME)	CAS #	%	OSHA PEL (PPM)	ACGIH TLV (PPM)	OTHER LIMITS RECOMMENDED
AEG + NAPTHA + MEK		22±5	N/A	N/A
Diisocyanate	26447-40-5	<.01	.02	.02 *
Polyisocyanate based on TDI		77±5	N/A	N/A

* The ACGI has proposed a TLV of 0.005 TWA for TDI in the notice intended changes for 1987-88 (TLV Guide)

SECTION II - PHYSICAL/CHEMICAL CHARACTERISTICS

1) BOILING POINT	N/A
2) SPECIFIC GRAVITY	(Water = 1) 1.08 at 68°C/154°F
3) VAPOR PRESSURE	16 mmHg at 20°C 34 mmHg at 50°C 38 mmHg at 55°C
4) MELTING POINT	0°F / -18°C
5) VAPOR DENSITY	(Air = 1) 8.5 (DI)
6) EVAPORATION RATE	N/A
7) SOLUBILITY IN WATER	Reacts slowly with water to liberate CO2 gas
8) WATER REACTIVE	No - will polymerize
9) APPEARANCE & ODOR	Viscous liquid, appearance slightly yellow, slight odor

SECTION III - FIRE AND EXPLOSION DATA

1) FLASH POINT & METHOD -

52°C/126°F / Pensky Martens

2) AUTO-IGNITION TEMPERATURE -

204°C / 399°F

3) FLAMMABILITY LIMITS IN AIR % BY VOLUME: N/A

LEL: N/A
UEL: N/A

4) EXTINGUISHER (MEDIA) -

Dry chemical, Carbon Dioxide, high expansion chemical foam, water spray for large fires.

5) SPECIAL FIRE FIGHTING PROCEDURES:

Full emergency equipment with self-contained breathing apparatus and protective clothing should be worn by fire fighters. During a fire, TDI vapors may be irritating; highly toxic gases may be released by thermal decomposition or combustion.

6) UNUSUAL FIRE AND EXPLOSION HAZARDS:

Explosive rupture is possible in closed containers at temperatures greater than 400°F/204°C. Use cold water to cool fire exposed containers

SECTION IV - REACTIVITY HAZARD DATA

1) STABILITY:

Stable

2) CONDITIONS TO AVOID:

Polymerization may occur if in contact with moisture or other materials which react with isocyanates.

3) INCOMPATIBILITY (Materials to Avoid):

Water, alcohols, amines, and strong bases. Will cause corrosion to copper alloys and aluminum.

4) HAZARDOUS DECOMPOSITION PRODUCTS:

By heat and fire: carbon dioxide, carbon monoxide.

5) HAZARDOUS POLYMERIZATION:

May occur

SECTION V - HEALTH HAZARD DATA

1) PRIMARY ROUTES OF ENTRY:

1. Inhalation - yes
   
2. Skin absorption - yes
   
3. Ingestion - no
   

2) CARCINOGEN LISTED IN:

1. NTP - no
   
2. IARC MONOGRAPH - no
   
3. OSHA - no
   

3) HEALTH HAZARDS

1. ACUTE: Although TDI is low in %, an inhalation hazard inside can exist for TDI aerosols or vapors formed during heating, foaming, or spraying.
   
   
2. CHRONIC: Overexposure or large single dose can cause chemical asthma.
   

4) SIGNS AND SYMPTOMS OF EXPOSURE:

Asthma-like attack, wheezing, cough, shortness of breath, chest tightness. Systems can be affected up to several hours.

5) MEDICAL CONDITIONS GENERALLY AGGRAVATED BY EXPOSURE:

Asthma, other respiratory disorders (bronchitis, emphysema, bronchial hyper-reactivity) skin allergies, eczema.

6) EMERGENCY FIRST AID PROCEDURES:

Seek medical assistance for further treatment, observation and support if necessary.

7) EYE CONTACT:

Flush with clean, lukewarm water (low pressure) for 15 minutes while holding eyelids open. Obtain medical attention.

8) SKIN CONTACT:

Remove contaminated clothing. Wash affected areas thoroughly with soap and water for at least 15 minutes. Wash contaminated clothing thoroughly before reuse.

9) INHALATION:

Move to an area free from risk of further exposure. Administer oxygen or artificial respiration as needed. Obtain medical attention. Asthmatic-type symptoms may develop and may be immediate or delayed up to several hours. Treatment is essentially symptomatic.

10) INGESTION:

DO NOT INDUCE VOMITING. Give 250 ml (8 oz.) of milk or water to drink. DO NOT GIVE ANYTHING BY MOUTH TO AN UNCONSCIOUS PERSON. Consult a physician.

SECTION VI - CONTROL AND PROTECTIVE MEASURES

1) RESPIRATORY PROTECTION (Specify type):

An air-supplied respirator must be worn during spray applications, during long-term (over 1 hour) exposures, when the product is heated, or in environments of high concentrations well above the intended TLV of 0.005 ppm. For short-term (less than 1 hour) emergency situations at concentrations near the TLV, an air-purifying respirator equipped with organic cartridges or canisters and cost filters can be used. However, due to the poor warning properties of TDI, proper fit and timely replacement of filter elements must be ensured. Observe OSHA regulations for respirator use (29 CFR 1910.134)

2) PROTECTIVE GLOVES:

Chemical resistant gloves

3) EYE PROTECTION:

Splash proof goggles, safety glasses with side protection

4) VENTILATION TO BE USED:

1. Local exhaust recommended in confined areas
   
2. Mechanical (General): Air feed hose in confined areas / tanks
   

5) OTHER (Specify):

TDI exposure levels must be monitored by accepted monitoring techniques to ensure that the intended TLV is not exceeded. Safety shower and eyewash stations should be available. Educate and train employees in safe use of products. Follow all label instructions.

SECTION VII - PRECAUTIONS FOR SAFE HANDLING AND USE/LEAKS

1) STEPS TO BE TAKEN IF MATERIAL IS SPILLED OR RELEASED:

1. Evacuate nonessential personnel and ventilate the area.
   
2. Equip cleanup crew with full protective clothing.
   
3. Cover spill with sawdust, vermiculite, Fullers earth, or other absorbent material.
   
4. Pour contamination solution over spill and allow for 10 minutes of reaction.
   
5. Collect material in open containers to a safe place, cover loosely, and allow to stand for 24-48 hours.
   
6. Wash spill area with decontamination solutions (nonionic surfactant Union Carbide's Tergitol TMN - 10 (20%) and water (80%); concentrated ammonia (3-8%), detergent (2%) and water (90-95%).
   
7. Respiratory protection is recommended during spill cleanup.
   

2) WASTE DISPOSAL METHODS:

1. Follow federal, state, and local environmental control regulations.
   
2. Incineration is the preferred method.
   
3. Empty containers must be handled with care due to product residue.
   
4. Decontaminate containers prior to disposal.
   
5. DO NOT HEAT EMPTY CONTAINERS OR CUT EMPTY CONTAINER WITH ELECTRIC OR GAS TORCH DUE TO TOXIC VAPORS.
   

3) ENVIRONMENTAL IMPACT:

This product is not listed as a hazardous waste.

4) PRECAUTIONS TO BE TAKEN IN HANDLING AND STORAGE:

1. Store in tightly closed containers to avoid moisture contamination.
   
2. Do not reseal container if contamination is suspected.
   
3. Avoid contact with skin and eyes.
   
4. Do not breathe vapors.
   
5. Warning properties of TDI (irritation of the eyes, nose, and throat, or odor) are not adequate to prevent chronic overexposure from inhalation. Use respirator (29 CFR 1910.134)
   
   

Revised April 2000


FOR ADDITIONAL INFORMATION, GO TO:

• UR1600 Product Data

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