N,N-Dimethylcyclohexanamine
N,N-Dimethylcyclohexylamine
CAS: 98-94-2
Molecular Formula: C8H17N
N,N-Dimethylcyclohexanamine - Names and Identifiers
N,N-Dimethylcyclohexanamine - Physico-chemical Properties
| Molecular Formula | C8H17N |
| Molar Mass | 127.23 |
| Density | 0.849 g/mL at 25 °C (lit.) |
| Melting Point | -60 °C |
| Boling Point | 158-159 °C (lit.) |
| Flash Point | 108°F |
| Water Solubility | 10 g/L (20 ºC) |
| Solubility | 10 g/L (20°C) |
| Vapor Presure | 3.6 mm Hg ( 20 °C) |
| Appearance | Liquid |
| Color | Clear |
| BRN | 1919922 |
| pKa | pK1:10.72(+1) (25°C) |
| PH | 12 (5g/l, H2O, 20℃) |
| Storage Condition | Store below +30°C. |
| Sensitive | Air Sensitive |
| Explosive Limit | 3.6-19%(V) |
| Refractive Index | n20/D 1.454(lit.) |
| Physical and Chemical Properties | colorless to light yellow transparent liquid at room temperature, soluble in alcohol and ether solvents |
| Use | Mainly used as catalyst for rigid polyurethane foam |
N,N-Dimethylcyclohexanamine - Risk and Safety
| Risk Codes | R10 - Flammable R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R34 - Causes burns R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R23/24 - 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. S28A - S16 - Keep away from sources of ignition. |
| UN IDs | UN 2264 8/PG 2 |
| WGK Germany | 1 |
| RTECS | GX1198000 |
| TSCA | Yes |
| HS Code | 29213010 |
| Hazard Class | 8 |
| Packing Group | II |
| Toxicity | LD50 orally in Rabbit: 272 mg/kg LD50 dermal Rat > 400 mg/kg |
N,N-Dimethylcyclohexanamine - Nature
Open Data Verified Data
colorless liquid, density 0.849G/cm3. Freezing point <-77 ℃, boiling point 159 ℃, Flash Point (Open Cup) 43. 33 ℃, slightly soluble in water, can be mixed with alcohol, benzene, acetone.
Last Update：2025-06-10 22:55:16
N,N-Dimethylcyclohexanamine - Safety
Open Data Verified Data
- This product has ammonia and bitter taste, has a stimulating effect on the skin, low toxicity, wear protective masks and gloves during production and application, and rinse with plenty of water after accidental contact.
- packed in iron drum, 50kg/drum, 170kg/drum. Class II flammable liquid, sealed and stored in a cool place, away from the fire heat source, fire transport.
Last Update：2022-01-01 10:39:02
N,N-Dimethylcyclohexanamine - Application
Open Data Verified Data
used as an intermediate for polyurethane plastic catalysts, rubber accelerators and synthetic fibers.
Last Update：2025-08-19 16:24:40
N,N-Dimethylcyclohexanamine - Reference Information
| freezing point | <-77 ℃ |
| LogP | 2.31 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) |
| Application | mainly used as rigid polyurethane foam catalyst N,N-dimethylcyclohexylamine can be used in a wide range of rigid foams. One of the main applications is insulating foam, including formulations for sprays, plates, laminates and refrigeration. N,N-dimethylcyclohexylamine is also suitable for the manufacture of rigid foam furniture frames and decorative parts. The catalyst is used in the hard foam product, and can be used alone as the main catalyst without adding organotin, and can also be supplemented with JD series catalysts according to the requirements of the process and products. The product is also used as an intermediate for rubber accelerators and synthetic fibers. pharmaceutical intermediates |
| production method | |
| category | flammable liquid |
| toxicity grade | high toxicity |
| Acute toxicity | oral-rat LD50: 348 mg/kg; Oral-mouse LD50: 320 mg/kg |
| flammability hazard characteristics | flammable in case of open flame, high temperature and oxidant; toxic nitric oxide gas |
| storage and transportation characteristics | The warehouse is ventilated and dried at low temperature; Stored separately from oxidants and acids |
| extinguishing agent | dry powder, dry sand, carbon dioxide, foam, 1211 extinguishing agent |
| Occupational Standard | sel 1 mg/m3 |
| spontaneous combustion temperature | 419 ° F. |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-10 22:29:15
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