reducedmdi
4,4'-methylenebis(cyclohexyl isocyanate)
CAS: 5124-30-1
Molecular Formula: C15H22N2O2
reducedmdi - Names and Identifiers
| Name | 4,4'-methylenebis(cyclohexyl isocyanate) |
| Synonyms | smdi picm rmdi reducedmdi saturatedmdi Dicyclohexylmethane 4,4-Diisocyanate 4,4-methylenedicyclohexyl diisocyanate 4,4'-methylenebis(cyclohexyl isocyanate) 1,1'-methanediylbis(4-isocyanatocyclohexane) isocyanicacid,methylenedi-4,1-cyclohexyleneester 4,4-Methylenebis(cyclohexyl isocyanate),mixture of isomers 1-(12H-benzo[b]phenothiazin-12-yl)-2-(piperidin-1-yl)ethanone |
| CAS | 5124-30-1 |
| EINECS | 225-863-2 |
| InChI | InChI=1/C23H22N2OS/c26-23(16-24-12-6-1-7-13-24)25-19-10-4-5-11-21(19)27-22-15-18-9-3-2-8-17(18)14-20(22)25/h2-5,8-11,14-15H,1,6-7,12-13,16H2 |
reducedmdi - Physico-chemical Properties
| Molecular Formula | C15H22N2O2 |
| Molar Mass | 262.35 |
| Density | 1.066g/mLat 25°C(lit.) |
| Melting Point | 25°C |
| Boling Point | 168 °C / 1.5mmHg |
| Flash Point | >230°F |
| Water Solubility | Insoluble/Reactive |
| Vapor Presure | 0.001Pa at 20℃ |
| Appearance | Liquid |
| Color | Clear colorless |
| Exposure Limit | TLV-TWA 0.0535 mg/m3 (0.005 ppm)(ACGIH). |
| BRN | 2217800 |
| Storage Condition | 2-8℃ |
| Refractive Index | n20/D 1.497(lit.) |
| MDL | MFCD00015405 |
reducedmdi - Risk and Safety
| Hazard Symbols | T - Toxic |
| Risk Codes | R23 - Toxic by inhalation R36/37/38 - Irritating to eyes, respiratory system and skin. R42/43 - May cause sensitization by inhalation and skin contact. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S28 - After contact with skin, wash immediately with plenty of soap-suds. S38 - In case of insufficient ventilation, wear suitable respiratory equipment. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S1/2 - Keep locked up and out of the reach of children. |
| UN IDs | UN 2206 6.1/PG 2 |
| WGK Germany | 1 |
| RTECS | NQ9250000 |
| TSCA | Yes |
| Hazard Class | 6.1 |
| Packing Group | III |
reducedmdi - Reference Information
| LogP | 6.11 at 20℃ |
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| Introduction | 4,4 '-dicyclohexylmethane diisocyanate is a commonly used industrial product. It can be used to make non-yellowing polyurethane products, suitable for The production of polyurethane materials with excellent light stability, weather resistance and mechanical properties, especially suitable for the production of polyurethane elastomers, waterborne polyurethane, fabric coatings and radiation curing polyurethane-acrylate coatings, in addition to excellent mechanical properties, 4,4'-dicyclohexylmethane diisocyanate (HMDI) also gives the product outstanding hydrolysis resistance and chemical resistance. |
| preparation | 0.0407g(0.02mmol) of nickel-centered polyoxometalate [[N(C4H9)4]4[NiMo6O18(OH)3{(OCH2)3CCH2OH}] 13H2O (CH2OH-NiMo6), 6mL solvent toluene, 0.4207g(2mmol)) 4,4 '-diaminodicyclohexylmethane, 0.0641g(2mmol) methanol, 0.1012g(1mmol) triethylamine, 0.2041g(6mmol) hydrogen peroxide, 0.3067g(2mmol) phosphorus oxychloride, and finally put oxygen balls above the reaction tube and react at 0 ℃ for 12h; add ether (or organic solvent such as ethyl ethyl ester) to the final reaction system, filter to obtain white solid, wash and dry, collect and recycle. Separation and purification to obtain light yellow liquid. |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 19:05:12
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