MSDS Material Safety Data Sheet


File Name: avogadro_chem_iastate_edu---PolyFoamSyst-B.asp
"Your Safer Source for Science Supplies"
MSDS #: 607.60
Material Safety Data Sheet (MSDS) Revision Date: November 25, 2002

Section 1 鈥? Chemical Product and Company Identification

Polyurethane Foam System (Part B)
Flinn Scientific, Inc. P.O. Box 219 Batavia, IL 60510 (800) 452-1261
CHEMTREC Emergency Phone Number: (800) 424-9300

Section 2 鈥? Composition, Information on Ingredients
Part B: proprietary mixture containing a 4,4-diphenylmethane diisocyanate (101-68-8) 38-50%, polymethylene polyphenyl
isocyanate (9016-87-9) 20-35%, and diphenylmethane diisocyanate (26447-40-5) 20-35%.
CAS#: None Established
Section 3 鈥? Hazards Identification
Dark brown liquid; odorless.
Irritating to body tissues and respiratory tract. Avoid all body tissue contact. Do not breathe vapor.
Combustible liquid.
0 is low hazard, 3 is high hazard
Section 4 鈥? First Aid Measures
Call a physician, seek medical attention for further treatment, observation and support after first aid.
Inhalation: Remove to fresh air at once. If breathing has stopped give artificial respiration immediately.
Eye: Immediately flush with fresh water for 15 minutes.
External: Wash continuously with fresh water for 15 minutes.
Internal: Give large quantities of water. Call a physician or poison control at once.

Section 5 鈥? Fire Fighting Measures
Class IIIB combustible liquid. NFPA CODE
Flash Point: 425 F None Established
Fire Fighting Instructions: Use triclass, dry chemical fire extinguisher. Firefighters should wear PPE
and SCBA with full facepiece operated in positive pressure mode.

Section 6 鈥? Accidental Release Measures
Restrict unprotected personnel from area. Remove all ignition sources and ventilate area. Contain spill with sand and absorbent
material; deposit in sealed bag or container. See Sections 8 and 13 for further information.

Section 7 鈥? Handling and Storage
Flinn Suggested Chemical Storage Pattern: Organic #5. Store with epoxy compounds and isocyanates.
Do not store longer than 3 years. Immediately reseal container after dispensing to preserve the expanding property.

Section 8 鈥? Exposure Controls , Personal Protection
Avoid contact with eyes, skin and clothing. Wear chemical splash goggles, chemical-resistant gloves and chemical-resistant apron.
Use exhaust ventilation to keep airborne concentrations low.

漏 2002 Flinn Scientific, Inc. All Rights Reserved.
FLINN SCIENTIFIC INC. Polyurethane Foam System (Part B)

"Your Safer Source for Science Supplies"
MSDS #: 607.60
Material Safety Data Sheet (MSDS) Revision Date: November 25, 2002

Section 9 鈥? Physical and Chemical Properties
Dark brown liquid; odorless. Specific Gravity: 1.24
Solubility: Acetone and some other organic solvents.

Section 10 鈥? Stability and Reactivity
Avoid contact with water, alcohols, amines, strong bases, acids and metal compounds.
Shelf life: Should not be stored for more than 3 years.

Section 11 鈥? Toxicological Information
ORL-RAT LD50: >10000 mg/kg
Acute effects: Irritant
IHL-RAT LC50: 370-490 mg/m3/4H
Chronic effects: N.A.
SKN-RBT LD50: >9400 mg/kg
Target organs: N.A.

N.A. = Not available, not all health aspects of this substance have been fully investigated.
Section 12 鈥? Ecological Information
Data not yet available.

Section 13 鈥? Disposal Considerations
Please consult with state and local regulations.
Flinn Suggested Disposal Method #26a is one option.

Section 14 鈥? Transport Information
Shipping Name: Not regulated
Hazard Class: N/A
UN Number: N/A
N/A = Not applicable

Section 15 鈥? Regulatory Information
Not listed.

Section 16 鈥? Other Information
Consult your copy of the Flinn Scientific Catalog/Reference Manual for additional information about laboratory chemicals.
This Material Safety Data Sheet (MSDS) is for guidance and is based upon information and tests believed to be reliable. Flinn
Scientific Inc. makes no guarantee of the accuracy or completeness of the data and shall not be liable for any damages relating
thereto. The data is offered solely for your consideration, investigation, and verification. Flinn Scientific Inc. assumes no legal
responsibility for use or reliance upon this data.

"Your Safer Source for Science Supplies"

Reduce Science Accidents--
Use Flinn Chemicals
P.O. Box 219 Batavia IL 60510
(800) 452-1261 Fax (866) 452-1436

漏 2002 Flinn Scientific, Inc. All Rights Reserved. PAGE 2 OF 2

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