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MDI 101-68-8
Category : Organic chemicals and Derivatives
CAS NO : 101-68-8 EC NO : 202-966-0 MF : C15H10N2O2 MW : 250.2521 Product description : Physicochemical properties
Color and smell status: white to light yellow crystals
Toxicity: low toxicity
Flammability: combustible
Density: 1.20
Volatility: low volatility
Boiling point: 196°C
Decomposability: thermal decomposition
Qualitative: lively in nature
Melting point: 38°C
Flash point: 154°C
Corrosion: Heating produces gas that is toxic and corrosive
Solubility: soluble in benzene, toluene, chlorobenzene, nitrobenzene, acetone, ether, ethyl acetate, dioxane, etc.
Uses
my country's MDI is mainly used in the polyurethane industry, and pure MDI is mainly used in polyurethane soles, synthetic leather, spandex, adhesive coatings and other industries. Product categories: pure MDI, polymeric MDI, liquefied MDI, modified MDI, etc.
Hazard category
Class 6.1 poisons
Fire-fighting measures
Use carbon dioxide, dry powder, sand to extinguish the fire
Emergency treatment
Inhalation: Leave the scene quickly to a place with fresh air, try to maintain a semi-upright position, give artificial respiration if necessary, and give medical care.
Skin contact: Take off contaminated clothing immediately, rinse with running water, and seek medical attention.
Eye contact: Lift the eyelids immediately, rinse thoroughly with a large amount of running water or normal saline, and seek medical attention.
Packaging, storage, transportation
The packaging is generally 250 kg/iron drum, packed with nitrogen. Store in a cool, ventilated warehouse. Keep away from fire, heat, and direct sunlight. The packaging must be sealed and protected from moisture. It should be stored separately from oxidants and acids. Transport as required by dangerous goods
Remarks: MDI and TDI are substitutes for each other, and both are raw materials for the production of polyurethane. The price of MDI is slightly lower, and its toxicity is lower than that of TDI, but the density of the foam is higher than that of the TDI system, and the moldability of the polyurethane product formed by MDI is relatively good.
Synonyms : 1,1-methylenebis(4-isocyanatobenzene);Methylenebis(phenylisocyanate);nocconate 300;4,4'-diphenyl methane diisocyanate;4,4'-Methylene bisphenyl isocyanate;4,4'-methylenedi(4,1-phenylene) isocyanate;4,4'-Methylenediphenyl diisocyanate;bis(p-isocyanatophenyl)methane;Diphenylmethane-4,4'-diisocyanate;Diphenyl methane diisocyanate;Diphenylmethyl Diisocyanate;caradate 30;desmodur 44;hylene m50;isonate 125m;isonate 125mf;Methylene diphenyl diisocyanate (monomeric and pol? METHYLENE BISPHENYL ISOCYANATE;methylenebis(4-isocyanatobenzene);Methylenedi-p-phenyl diisocyanate;Methylenedi-p-phenyl diisocyanate, stabilized flakes, contains 1.5% 2,4[-isomer;methylenedi-p-phenylene diisocyanate;methylenebis(p-phenylene isocyanate);methylenebis(p-phenyl isocyanate);MDI;1,1'-methanediylbis(4-isocyanatobenzene);4,4'-Diphenylmethane diisocyanate;4,4'-Methylenebis(phenyl isocyanate); Molecular Structure : 