5124-30-1
Product Name:
Methylene-bis(4-cyclohexylisocyanate)
Formula:
C15H22N2O2
Synonyms:
HMDI;Hydrogenated MDI
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | 1,1-methylene bis(4-isocyanatocyclohexane) is a clear, colorless to light-yellow liquid. (NIOSH, 2022) |
|---|---|
| Color/Form | Clear, colorless to light-yellow liquid |
| Melting Point | less than 14 °F (NIOSH, 2023) |
| Flash Point | greater than 395 °F (NIOSH, 2023) |
| Solubility | Reacts with water (NIOSH, 2023) |
| Density | 1.07 at 77 °F (NIOSH, 2023) - Denser than water; will sink |
| Vapor Pressure | 0.001 mmHg at 77 °F (NIOSH, 2023) |
| Decomposition | When heated to decomposition it emits tocix fumes of /chlorine/. |
| Polymerization | May slowly polymerize if heated above 122 °F. |
| Refractive Index | Index of refraction = 1.4970 at 20 °C/D |
| Other Experimental Properties | Incompatible with alcohols, amines, bases acids, organotin catalysts; may slowly polymerize if heated above 50 °C; combustible at or above 93.3 °C; freezing point = -10 °C |
| Chemical Classes | Plastics & Rubber -> Diisocyanates |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
![]() Skull and Crossbones Acute Toxicity GHS06 ![]() Health Hazard GHS08 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H317:Sensitisation, Skin H319:Serious eye damage/eye irritation H331:Acute toxicity,inhalation H334:Sensitisation, respiratory H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
COMPUTED DESCRIPTORS
| Molecular Weight | 262.35 g/mol |
|---|---|
| XLogP3 | 5.3 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 4 |
| Exact Mass | 262.168127949 g/mol |
| Monoisotopic Mass | 262.168127949 g/mol |
| Topological Polar Surface Area | 58.9 Ų |
| Heavy Atom Count | 19 |
| Formal Charge | 0 |
| Complexity | 332 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 1 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
1,1-methylene bis(4-isocyanatocyclohexane) is a clear, colorless to light-yellow liquid. (NIOSH, 2022)


