在南通酒店晚上怎么叫服务

在南通酒店晚上怎么叫服务

sell 4-dimethylaminopyridine;DMAP

1-Dimethylaminopyridine is a versatile hypernucleophilic acylation catalyst, it is used to improve the yield, reduce the reaction time, improving relaxation process conditions. Widely used in perfumes, dyes, pigments, pesticides, pharmaceuticals and polymer compounds and other fields. Also used as a catalyst for the synthesis of polyurethane, a curing agent and a blowing catalyst.

4-dimethylaminopyridine

Synonyms  N,N-Dimethylpyridin-4-amine; DMAP

Molecular Formula  C7H10N2

Molecular Weight  122.17

CAS Registry Number  1122-58-3

EINECS  214-353-5

Melting point  108-113 º C

Boiling point  162 º C (50 mmHg)

Flash point  110 º C

Water solubility  76 g/L (25 º C)

Purity:99%

1- Dimethylaminopyridine is a versatile hypernucleophilic acylation catalyst, it is used to improve the yield, reduce the reaction time, improving relaxation process conditions. Widely used in perfumes, dyes, pigments, pesticides, pharmaceuticals and polymer compounds and other fields. Also used as a catalyst for the synthesis of polyurethane, a curing agent and a blowing catalyst.