WebDiphenylmethane diisocyanate; see Methylene bisphenylisocyanate METHYLENE BISPHENYL ISOCYANATE - ACGIH: Dipropylene glycol methyl ether: 34590-94-8: 100: 600: 100 ppm (ST) 150 ppm: 100 ppm (ST) 150 ppm: DIPROPYLENE GLYCOL METHYL ETHER (DPGME) - ACGIH: Di-sec octyl phthalate (Di-(2-ethylhexyl) phthalate) 117-81-7 … WebA plant has an operation that produces automotive headliners in a press. The process usesa compound that contains methylene bisphenyl isocyanate (MDI). The compound containing MDI must be used in the production process to meet the client's specifications for the headliner. The OSHA PEL for MDI is 0.02 ppm as a ceiling concentration.
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WebDiphenylmethane-4,4-diisocyanate is a light yellow colored solid. It is not soluble in water. It may be toxic by ingestion, inhalation, or skin absorption. If in a solution it may or may not burn depending on the nature of the material and/or the solvent. It is used to make plastics. Hazards Reactivity Alerts none Air & Water Reactions WebMethylene diphenyl diisocyanate ( MDI) is an aromatic di isocyanate. Three isomers are common, varying by the positions of the isocyanate groups around the rings: 2,2′-MDI, 2,4′-MDI, and 4,4′-MDI. The 4,4′ … north hempstead housing authority
Isocyanates: Control measures guideline - canada.ca
WebDec 3, 2024 · Respiratory-Recommendation-for-Methylene-bisphenyl-isocyanate. Related Articles. Methylene Chloride Respirator Recommendation. Number of Views 1.46K. … WebDiisocyanates are a group of low-molecular-weight aromatic and aliphatic compounds. The most common of these are toluene diisocyanate (TDI), methylene bisphenyl isocyanate (MDI), and hexamethylene diisocyanate (HDI). Appendix A lists commonly used synonyms for these three diisocyanates. WebMay 25, 2011 · In this case the combination of epoxy and proprietary isocyanate-free polyurethane form a "nano" structure that is not porous or permeable. Leon Zigelman of … north hempstead gis