2,2,6,6-Tetramethyl-4-piperidinol
2,2,6,6-Tetramethyl-4-piperidinol
CAS: 2403-88-5
Molecular Formula: C9H19NO
2,2,6,6-Tetramethyl-4-piperidinol - Names and Identifiers
| Name | 2,2,6,6-Tetramethyl-4-piperidinol |
| Synonyms | TAAOL TAA-OL Triacetonalkamine Tetramethyl piperidylol TRIACETONEAMINO ALCOHOL 6-Tetramethyl-4-piperidinol Triacetoneamino Alcohol TAA-ol 2,2,6,6tetramethyl-4-piperiditone 2,2,6,6-Tetramethyl-4-piperidinol 2,2,6,6-tetramethylpiperidin-4-ol 2,2,6,6,-Tetramethyl-4-piperidinol 4-Hydroxy-2,2,6,6-tetramethylpiperidine 4-hydroxy-2,2,6,6-tetramethylpiperidinium 4-HYDROXY-2,2,6,6-TETRAMETHYLPIPERIDINETAA-OL |
| CAS | 2403-88-5 |
| EINECS | 219-291-2 |
| InChI | InChI=1/C9H19NO/c1-8(2)5-7(11)6-9(3,4)10-8/h7,10-11H,5-6H2,1-4H3/p+1 |
| InChIKey | VDVUCLWJZJHFAV-UHFFFAOYSA-N |
2,2,6,6-Tetramethyl-4-piperidinol - Physico-chemical Properties
| Molecular Formula | C9H19NO |
| Molar Mass | 157.25 |
| Density | 1.085 |
| Melting Point | 129-131°C(lit.) |
| Boling Point | 212-215°C(lit.) |
| Flash Point | 212-215°C |
| Water Solubility | 130 g/L (23 ºC) |
| Solubility | methanol: 0.1g/mL, clear |
| Vapor Presure | 0.035mmHg at 25°C |
| Appearance | White to light brown crystals |
| Color | White to off-white or slightly beige |
| BRN | 105039 |
| pKa | 14.99±0.60(Predicted) |
| PH | 11.2 (4g/l, H2O, 20℃) |
| Storage Condition | Keep in dark place,Inert atmosphere,Room temperature |
| Refractive Index | 1.4248 (estimate) |
| MDL | MFCD00005983 |
| Physical and Chemical Properties | Melting point 129-131 °c, boiling point 212-215 °c. |
| Use | As a hindered amine light stabilizer and synthesis of hindered amine light stabilizer of the main intermediate |
2,2,6,6-Tetramethyl-4-piperidinol - Risk and Safety
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R43 - May cause sensitization by skin contact R34 - Causes burns |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. |
| UN IDs | UN3259 8/PG 2 |
| WGK Germany | 1 |
| RTECS | TN7871675 |
| TSCA | Yes |
| HS Code | 29333999 |
| Hazard Note | Irritant |
| Hazard Class | 8 |
| Packing Group | III |
2,2,6,6-Tetramethyl-4-piperidinol - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| An important intermediate for the synthesis of hindered amine light stabilizers | Tetramethylpiperidol is an important intermediate for the synthesis of hindered amine light stabilizers. It is a white crystal powder at room temperature. It is soluble in organic solvents such as acetone, ethanol, chloroform, etc., slightly soluble in water, and has moisture absorption. It also has a light stabilizing effect and has important uses in pharmaceuticals. Hindered amine light stabilizer is currently the most effective polymer material light stabilizer. It is a kind of organic amine compound with steric hindrance effect. Most of the varieties are based on 2,2,6,6-Tetramethyl-4-piperidinyl is the parent body. In the mid-1970s A new type of high-efficiency stabilizer developed by Japan's Sankong Company in the mid-2020s, used for anti-aging of polymer materials such as plastics and rubber, its light stabilization effect is 2~4 times that of traditional absorption light stabilizer, and it has good compatibility with many resins. It is currently the fastest growing class of stabilizers. |
| application | is the main intermediate for hindered amine light stabilizer and synthesis of hindered amine light stabilizer, and can also be used as an important intermediate for medicine, bleaching agent, epoxy resin crosslinking agent and other products. This product is the main intermediate for the synthesis of hindered amine light stabilizers, and it also has light stabilization effect. It has important uses in pharmaceuticals. An important intermediate for the synthesis of hindered amine light stabilizers; it has light stabilization effect and has important applications in pharmaceuticals It is used as the main intermediate for the synthesis of hindered amine light stabilizers |
Last Update：2024-04-09 20:15:17
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