1,4-bis(aminocyclohexyl)methane
4,4'-diaminodicyclohexylmethane, mixture of isomers
CAS: 1761-71-3;176-71-3
Molecular Formula: C13H26N2
1,4-bis(aminocyclohexyl)methane - Names and Identifiers
| Name | 4,4'-diaminodicyclohexylmethane, mixture of isomers |
| Synonyms | PACM20 TIMTEC-BB SBB008433 Bis(4-aminocyclohexyl)methane 4,4-Diaminodicyclohexylmethane 1,4-bis(aminocyclohexyl)methane 4,4'-DIAMINODICYCLOHEXYLMETHANE 4,4'-diaminodicyclohexylmethane 4,4'-Diaminodicyclohexyl methane 4,4-METHYLENEBIS(CYCLOHEXYLAMINE) 4,4'-methanediyldicyclohexanamine 1,1'-methanediyldicyclohexanamine 4,4'-METHYLENEBIS(CYCLOHEXYLAMINE) 4,4'-METHYLENEBIS(AMINOCYCLOHEXANE) 4,4'-diaminodicyclohexylmethane,mixtureofisomers 4,4'-diaminodicyclohexylmethane, mixture of isomers |
| CAS | 1761-71-3 176-71-3 |
| EINECS | 217-168-8 |
| InChI | InChI=1/C13H26N2/c14-12-5-1-10(2-6-12)9-11-3-7-13(15)8-4-11/h10-13H,1-9,14-15H2 |
1,4-bis(aminocyclohexyl)methane - Physico-chemical Properties
| Molecular Formula | C13H26N2 |
| Molar Mass | 210.36 |
| Density | 0.95g/mLat 25°C(lit.) |
| Melting Point | 60-65°C |
| Boling Point | 330-331°C |
| Flash Point | >230°F |
| Water Solubility | Insoluble ( |
| Vapor Presure | <0.1 mm Hg ( 38 °C) |
| Appearance | powder to lump to clear liquid |
| Color | White or Colorless to Almost white or Almost colorless |
| BRN | 2079179 |
| pKa | 10.87±0.70(Predicted) |
| Storage Condition | Keep in dark place,Inert atmosphere,Room temperature |
| Refractive Index | 1.5032 (estimate) |
1,4-bis(aminocyclohexyl)methane - Risk and Safety
| Risk Codes | R26 - Very Toxic by inhalation R34 - Causes burns R51/53 - Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R48/22 - Harmful danger of serious damage to health by prolonged exposure if swallowed. R43 - May cause sensitization by skin contact R35 - Causes severe burns R22 - Harmful if swallowed |
| 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. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. S50 - Do not mix with ... S14 - Keep away from ... (a list of incompatible materials will follow). |
| UN IDs | UN 2928 6.1/PG 2 |
| WGK Germany | 2 |
| RTECS | GX1530000 |
| FLUKA BRAND F CODES | 10-34 |
| TSCA | Yes |
| HS Code | 29213000 |
| Hazard Class | 8 |
| Packing Group | III |
| Toxicity | LC50 inhalation in mouse: 400mg/m3/4H |
1,4-bis(aminocyclohexyl)methane - Nature
Open Data Verified Data
colorless or yellowish viscous or white wax. The melting point was 35-45 °c. Boiling point of 159~164 degrees C (667Pa). The relative density was 0.96. Refractive index 5051. Soluble in benzene, petroleum ether, lower alcohol, tetrahydrofuran and other solvents.
Last Update：2024-01-02 23:10:35
1,4-bis(aminocyclohexyl)methane - Preparation Method
Open Data Verified Data
obtained by hydrogenation of 4, 4r_aminodiphenylmethane.
Last Update：2022-01-01 10:39:06
1,4-bis(aminocyclohexyl)methane - Use
Open Data Verified Data
This product is a widely used important chemical raw materials, can be used in textile, papermaking, artificial leather, plastic processing; Used as raw materials for dyes, pharmaceutical intermediates; But also the manufacture of urethane, polyamide resin, epoxy resin curing agent, strong electrical insulation materials, magnetic tape adhesives and other raw materials.
Last Update：2022-01-01 10:39:06
1,4-bis(aminocyclohexyl)methane - Reference Information
| LogP | 2.03 at 25℃ |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Introduction | 4,4 '-diaminodicyclohexylmethane (PACM) exists anti-reverse, cis-reverse, cis-cis-CIS three stereoisomers with different thermodynamic properties. Diaminodicyclohexylmethane is an important cycloaliphatic diamine, which is mainly used for the preparation of cycloaliphatic dicyclohexylmethane diisocyanate (H12MDI) or directly used as an epoxy resin curing agent. |
| Application | diaminodicyclohexylmethane can be used to process various environmentally friendly polyurethane coatings, adhesives and other surface materials with good transparency and yellowing resistance. Epoxy resin cured by diamino dicyclohexylmethane has excellent heat resistance, dielectric, solvent resistance, mechanical properties, as well as excellent optical properties, weather resistance, can be used for damping materials, optical materials, coatings, engineering plastics, adhesives and other fields. |
| preparation | 1g of titanium dioxide powder is dispersed in 40ml of a mixture of water and methanol (the volume ratio of water to methanol is 9:1), 60 mol/ml of RuCl3 · xH2O dark brown aqueous solution was added after stirring, and the amount of ruthenium on the titanium dioxide was 5wt%. After sealing and stirring at room temperature for 3 hours, 1m sodium hydroxide solution is added dropwise to pH 10.5, and then sealing and stirring are continued for 20 hours, after centrifugation and washing 3-5 times with a mixture of water and ethanol, it was dried under vacuum at 60 ° C. Overnight to give a pale green powder, and the catalyst was obtained. The freshly prepared catalyst was placed in a reaction kettle, a volume of solvent was added, and an appropriate amount of 4,4 '-diaminodiphenylmethane (MDA) was added to control the molar ratio of MDA to ruthenium in catalyst 4 to be 10000. The reaction vessel is closed and flushed with hydrogen for 10 times, and then heated to 150 ℃ to start the reaction. The molar ratio of hydrogen to MDA is controlled to be no less than 80, and the hydrogen pressure is 1 ~ 5MPa, the reaction product and conversion rate were detected by real-time sampling. The benzene ring in MDA can be rapidly hydrogenated to produce a single benzene ring hydrogenation product (6h) and a BIS benzene ring hydrogenation product 4,4 '-diaminodicyclohexylmethane (12h) without deamination products, it is worth mentioning that 4,4'-diaminodicyclohexylmethane is a raw material compound of special nylon. |
Last Update：2024-04-10 22:29:15
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