TETRAMETHYLPIPERIDINE
2,2,6,6-Tetramethylpiperidine
CAS: 768-66-1
Molecular Formula: C9H20N
TETRAMETHYLPIPERIDINE - Names and Identifiers
| Name | 2,2,6,6-Tetramethylpiperidine |
| Synonyms | TEMP HTMP Norpempidine TETRAMETHYLPIPERIDINE 2,2,6,6-tetramethyl-piperidin 2,2,6,6-Tetramethylpiperidine 2,2,6,6-tetramethylpiperidinium Piperidine, 2,2,6,6-tetramethyl- 2,2,6,6-tetramethylpiperidine(TEMP) 2,2,6,6-Tetramethylpiperidine (HTMP) |
| CAS | 768-66-1 |
| EINECS | 212-199-3 |
| InChI | InChI=1/C9H19N/c1-8(2)6-5-7-9(3,4)10-8/h10H,5-7H2,1-4H3/p+1 |
TETRAMETHYLPIPERIDINE - Physico-chemical Properties
| Molecular Formula | C9H20N |
| Molar Mass | 142.261 |
| Density | 0.837 g/mL at 25 °C (lit.) |
| Melting Point | -59°C |
| Boling Point | 157.6°C at 760 mmHg |
| Flash Point | 24.4°C |
| Water Solubility | MISCIBLE |
| Vapor Presure | 2.73mmHg at 25°C |
| Refractive Index | n20/D 1.445(lit.) |
| Physical and Chemical Properties | Acidity coefficient (pKa) 11.07(at 25 ℃) Morphology Liquid Color Clear colorless to yellow |
| Use | It has been used for efficient ortho-deprotonation of pyridine-3-carboxamide. lithium amide, a potent deprotonation reagent for pyridine-3-carboxamine |
TETRAMETHYLPIPERIDINE - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R10 - Flammable R22 - Harmful if swallowed R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S16 - Keep away from sources of ignition. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S37/39 - Wear suitable gloves and eye/face protection |
| UN IDs | UN 1992 |
TETRAMETHYLPIPERIDINE - Nature
| chemical properties | colorless or yellowish liquid. |
| use | It has been used for high-efficiency ortho-deprotonation of pyridine-3-formamide. |
| use | Lithium amide, effective pyridine-3-carboxyamine deprotonation reagent |
Last Update：2024-04-10 22:29:15
TETRAMETHYLPIPERIDINE - Security information
| dangerous goods mark | Xn,F,C |
| hazard category code | 10-22-36/37/38 |
| safety instructions | 26-37/39-16 |
| dangerous goods transport number | UN 1992 3/PG 3 |
| WGK Germany | 2 |
| RTECS number | TN4220000 |
| auto-ignition temperature | 290 °C |
| TSCA | Yes |
| HazardClass | 3 |
| PackingGroup | III |
| customs code | 29333999 |
| Toxicity | LD50 orally in Rabbit: 500 mg/kg |
Last Update：2024-04-10 22:29:15
TETRAMETHYLPIPERIDINE - Nature
| melting point | -59°C |
| boiling point | 152°C (lit.) |
| density | 0.837 g/mL at 25°C (lit.) |
| Vapor pressure | 14 hPa (39 °C) |
| refractive index | n20/D 1.445(lit.) |
| flash point | 76 °F |
| storage conditions | Store below 30°C. |
| solubility | MISCIBLE |
| acidity coefficient (pKa) | 11.07(at 25℃) |
| morphology | Liquid |
| color | Clear colorless to yellow |
| Specific gravity | 0.837 |
| water solubility | MISCIBLE |
| sensitivity | Air Sensitive |
| BRN | 103296 |
| InChIKey | RKMGAJGJIURJSJ-UHFFFAOYSA-N |
| NIST chemical information | Piperidine, 2,2,6,6-tetramethyl-(768-66-1) |
| EPA chemical information | Piperidine, 2,2,6,6-tetramethyl- (768-66-1) |
Last Update：2024-04-10 22:29:15
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