4-Dimethylaminopyridine powder DMAP CAS NO 1122-58-3

4-Dimethylaminopyridine (DMAP)

| Section | Content |

| Chemical Name | 4-Dimethylaminopyridine |

| Other Name | DMAP; N,N-Dimethylpyridin-4-amine; p-Dimethylaminopyridine; γ-(Dimethylamino)pyridine; N-(4-Pyridyl)dimethylamine |

| CAS No. | 1122-58-3 |

| Molecular Formula | C₇H₁₀N₂ |

| Molecular Weight | 122.17 g/mol |

| Product Properties | White to off-white crystalline powder; Melting Point: 110–114°C; Boiling Point: 162°C (50 mmHg); Purity: ≥99%; Soluble in methanol, ethanol, chloroform, ethyl acetate, acetone; water solubility: 76 g/L (25°C) |

| Storage | Store in a tightly sealed, moisture-proof container; keep in a cool, dry, dark place below +30°C, away from strong oxidizers, acids, and direct sunlight |

| Packing | 1 kg / 5 kg / 25 kg per drum or fiberboard carton; flexible packaging available upon request |

| Application | Highly efficient nucleophilic catalyst for acylation, esterification, amidation, Baylis-Hillman reaction, hydrosilylation, tritylation, and Steglich rearrangement; widely used in pharmaceutical, agrochemical, dye, flavor, and polymer synthesis |

| Product Specification | Appearance: White to off-white crystalline powder; Assay: ≥98% (GC) / ≥99% (HPLC); Loss on Drying: ≤0.5%; Melting Point: 110–114°C; Residual on Ignition: <0.1% |

| HS Code / Transport | HS Code: 29333990; UN No.: 2811 / 2928; Hazard Class: 6.1 (Toxic); Packing Group: II |

| Shelf Life | 60 months under recommended storage conditions |