MDI Transportation Guidelines - Polyurethanes - American ...
MDI Transportation Guidelines - Polyurethanes - American ...
MDI Transportation Guidelines - Polyurethanes - American ...
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<strong>MDI</strong> transportation<br />
g u i d e l i n e s<br />
Chapter 2: Properties, Hazards and Safety Information for <strong>MDI</strong><br />
2.1 Product Identification and Exposure Limits<br />
CAS No. OSHA PEL1 ACGIH TLV2 4,4’-Diphenylmethane diisocyanate (<strong>MDI</strong>) 101-68-8 0.02 ppm (ceiling) 0.005 ppm (8-hour TWA3 )<br />
Polymeric <strong>MDI</strong> 9016-87-9 — —<br />
1 Permissible Exposure Limit<br />
2 Threshold Limit Value (TLV is a registered trademark of ACGIH)<br />
3 Time Weighted Average<br />
2.2 Typical Physical Data<br />
2.3 Reactivity Data<br />
Copyright 2001, <strong>American</strong> Plastics Council<br />
4,4’ <strong>MDI</strong> P<strong>MDI</strong><br />
Appearance solid, below 38º C liquid<br />
Boiling point 200ºC @ 5mm Hg 200ºC @ 5mm Hg<br />
Color white to yellowish brownish<br />
Decomposition point 230ºC 260-340ºC<br />
Density (pounds/gallon) 10.22 10.22<br />
Freezing/Melting point 38ºC varies<br />
Odor none slightly aromatic<br />
Solubility in water not soluble; reacts with the evolution of CO2 not soluble; reacts with the evolution of CO2<br />
Specific gravity 1.33 @ 20ºC (solid); 1.18 @ 50ºC (liquid) 1.24 @ 20ºC<br />
Vapor pressure 200ºC<br />
Auto-ignition Not available Not available<br />
Explosion limits Not available Not available<br />
Thermal degradation >200ºC >200ºC<br />
Hazardous degradation products CO, CO2, NOX, HCN CO, CO2, NOX, HCN<br />
Materials to avoid water, alcohols, amines, acids, bases water, alcohols, amines, acids, bases<br />
3
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