Chemicals

dicyclohexylmethane-4,4′-diisocyanate Cas:5124-30-1

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dicyclohexylmethane-4,4'-diisocyanate

Synonyms：

Dicyclohexylmethane 4,4'-Diisocyanate;4,4-Methylenebis(Cyclohexyl Isocyanate);Methylene-bis(4-cyclohexylisocyanate);Dicyclohexylmethane 4,4′-diisocyanate;4,4'-Methylenebis(cyclohexyl isocyanate);Cyclohexane, 1,1-methylenebis(4-isocyanato-

molecular formula: C15H22N2O2

Molecular weight: 262.34700

Physical Properties:

Appearance and properties: transparent colorless to pale yellow liquid

Density: 1.066 g/mL at 25 °C(lit.)

Boiling point: 168 °C / 1.5mmHg

Melting point: 25°C

Flash Point: >230 °F

Refractive index: n20/D 1.497(lit.)

Specification:

Items of Analysis	Standard of Analysis	Test Results
Appearance	Colorless transparent liquid	Conforms
Chroma, (Platinum-Cobalt)	≤30	5
HMDI purity	≥99.5%	99.91%
Isocyanate (-NCO) content	≥31.8%	32.00%
Hydrolyzed chlorine content	≤0.001%	0.0001%
Total chlorine content	≤0.1%	0.0096%
Conclusion	Conform to the enterprise standard

Application:

HMDI is similar in chemical structure to 4,4'-diphenylmethane diisocyanate, and it replaces the benzene ring with a cyclohexyl six-membered ring. It is an alicyclic diisocyanate. It can be used to produce non-yellowing polyurethane products, which is suitable for production Polyurethane materials with excellent light stability, weather resistance and mechanical properties, especially suitable for the production of polyurethane elastomers, water-based polyurethanes, fabric coatings and radiation-cured polyurethane-acrylate coatings. In addition to excellent mechanical properties, HMDI also gives products outstanding excellent hydrolysis resistance and chemical resistance.

Package and Storage:

25kgs/drum

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