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4-(Dimethylamino)pyridine (DMAP) is a toxic, corrosive solid that is widely used as a nucleophilic catalyst in esterification, hydrosilylation, Bayliss–Hillman reactions, and many more. In 2001, G. C. Fu and co-workers showed that chiral derivatives of DMAP can be used for stereoselective catalysis.
Chemical formula C₇H₁₀N₂
Melting point 110–112°C
Boiling point 162°C
Molecular Weight 122.17 grams per mole (g/mol)Technical Analysis
Specification Typical Values
Molar mass 122.17 g/mol
Other names 2-Amino-4-methylpentanoic acid
CAS Number 61-90-54-Dimethylaminopyridine (DMAP) is a white solid that is a derivative of pyridine. It has the chemical formula (CH₃)₂NC₅H₄N and a molar mass of 122.17 g/mol. It has a boiling point of 162°C
Sihauli Chemicals is one of the leading 4 – Dimethyl Amino Pyridine Manufacturer and Exporter form India. Sihauli Chemicals Supply4 – Dimethyl Amino Pyridine to Asia, Africa, Europe, North & South America and Oceania.
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South America: Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador, French Guiana, Guyana, Paraguay, Peru, Venezuela.
Oceania: Australia, New Zealand, Solomon Islands, Wallis & Futuna Islands (France).
4 – Dimethyl Amino Pyridine
Grade Standard Industrial Grade Packaging Size 25kg Packaging Type Drum CAS Number 1122-58-3 Purity 99% Form Powder Usage/Application Industrial 4 Dimethyl Amino Pyridine(READY STOCK)
APPEARANCE WHITE TO OFF-WHITE CRYSTAL PURITY 99.69% LOSS OF DRYING 0.14% INSOLUBLE IN WATER 0.02% MELTING POINT 112°C PACKING REQUIRMENT CAS NO. 1122-58-3 discription-4-Dimethylaminopyridine (DMAP) is a derivative of pyridine with the chemical formula (CH3)2NC5H4N. This colourless solid is of interest because it is more basic than pyridine, owing to the resonance stabilisation from the NMe2 substituent.
Because of its basicity, DMAP is a useful nucleophilic catalyst for a variety of reactions such as esterifications with anhydrides, the Baylis-Hillman reaction, hydrosilylations, tritylation, the Steglich rearrangement, Staudinger synthesis of β-lactams and many more. Chiral DMAP analogues are used in kinetic resolution experiments of mainly secondary alcohols and Evans auxiliary type amides.
DMAP has a relatively high toxicity and is particularly dangerous because of its ability to be absorbed through the skin. It is also corrosive.
