Methylene BIS Supplier | CAS 5124-30-1

Product Description

4,4′-Methylenebis(cyclohexyl isocyanate), also known as HMDI, is an aromatic diisocyanate widely used in the production of polyurethanes. It offers high mechanical strength, light stability, and resistance to hydrolysis, making it suitable for both industrial and biomedical applications.

Specifications

CAS Number	5124-30-1
Molecular Formula	CH₂(C₆H₁₀NCO)₂
Molecular Weight	262.35
Assay	90%
Form	Liquid
Melting Point	26 °C (lit.)
Density	1.066 g/mL at 25 °C
Refractive Index (n20/D)	1.497 (lit.)
Flash Point	113 °C (235.4 °F)
Applications	Used in synthesis of polyurethane for coatings, adhesives, and biomedical devices.
Storage	Keep tightly closed in a dry and well-ventilated place. Recommended storage class: 6.1A
Hazard Symbols	GHS06, GHS08
Hazard Statements	H315, H317, H319, H330, H334, H335
Precautionary Statements	P260, P264, P280, P302+P352, P304+P340+P310, P305+P351+P338
Target Organs	Respiratory system
WGK	WGK 1
Personal Protective Equipment	Dust mask (N95), Eye protection