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Published TCIMAIL newest issue No.201
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CAS RN: 1122-58-3 | Product Number: D1450
4-Dimethylaminopyridine
Purity: >99.0%(T)
Synonyms:
- DMAP
- N-(4-Pyridyl)dimethylamine
Product Documents:
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| Product Number | D1450 |
Purity / Analysis Method
|
>99.0%(T) |
| Molecular Formula / Molecular Weight | C__7H__1__0N__2 = 122.17 |
| Physical State (20 deg.C) | Solid |
Storage Temperature
|
Room Temperature (Recommended in a cool and dark place, <15°C) |
| Condition to Avoid | Light Sensitive |
| CAS RN | 1122-58-3 |
| Reaxys Registry Number | 110354 |
| PubChem Substance ID | 87567951 |
| SDBS (AIST Spectral DB) | 5723 |
| Merck Index (14) | 3389 |
| MDL Number | MFCD00006418 |
Specifications
| Appearance | White to Light yellow powder to lump |
| Purity(Nonaqueous Titration) | min. 99.0 % |
| Melting point | 110.0 to 114.0 °C |
| Solubility in Methanol | very faint turbidity |
| NMR | confirm to structure |
Properties (reference)
| Melting Point | 110 °C |
| Boiling Point | 190 °C/150 mmHg |
| Solubility in water | Soluble |
| Degree of solubility in water | 80 g/l 25 °C |
GHS
| Pictogram |
|
| Signal Word | Danger |
| Hazard Statements | H310 : Fatal in contact with skin. H301 : Toxic if swallowed. H315 : Causes skin irritation. H319 : Causes serious eye irritation. |
| Precautionary Statements | P262 : Do not get in eyes, on skin, or on clothing. P264 : Wash skin thoroughly after handling. P280 : Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection. P337 + P313 : If eye irritation persists: Get medical advice/ attention. P301 + P310 + P330 : IF SWALLOWED: Immediately call a POISON CENTER/doctor. Rinse mouth. P302 + P352 + P310 : IF ON SKIN: Wash with plenty of water. Immediately call a POISON CENTER/doctor. |
Related Laws:
| EC Number | 214-353-5 |
| RTECS# | US9230000 |
Transport Information:
| UN Number | UN2811 |
| Class | 6.1 |
| Packing Group | I |
| HS Number | 2933399999 |
Application
Acetylation of Alcohols using Acetylating Reagents and Base Catalysts

References
- 1)4-Dialkylaminopyridines as Highly Active Acylation Catalysts. [New synthetic method (25)]
- 2)Protection for the Hydroxyl Group, Including 1,2- and 1,3-Diols
- P. G. M. Wuts, in Greene’s Protective Groups in Organic Synthesis, 5th ed., ed. by P. G. M. Wuts, John Wiley & Sons, Inc., Hoboken, New Jersey, 2014, Chap. 2, 17.
Application
Tr protection of Alcohols using Trityl Chloride

Reference
- Protection for the Hydroxyl Group, Including 1,2- and 1,3-Diols
- P. G. M. Wuts, in Greene’s Protective Groups in Organic Synthesis, 5th ed., ed. by P. G. M. Wuts, John Wiley & Sons, Inc., Hoboken, New Jersey, 2014, Chap. 2, 17.
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