Package: 25kg 50kg drum or bag

Uses : Used as an intermediate in organic synthesis

Molecular Structure:

Product description: What is the chemical of 3-(N,N-Dihydroxyethyl) Amino Acetanilide ? Appearance: white to light yellow powder ; Assay: 99% min by HPLC ; IR Identity: conform to standard ; HNMR： conform to standard ; carbon spectrum: conform to standard ; Water by K. F.:0.5% max or as per the customer’s request ; Loss on drying:0.5% max. or as per the customer’s request ; Melting point: 111-115 °C; =========================================================== The production method of 3-N, N-dihydroxyethylaminoacetanilide includes the following steps: 1) Beating: m-aminoacetylaniline, catalyst, water, and mother liquor water enter the pulping unit, stir and mix to obtain a pulping material; 2) Reaction: Slurry and ethylene oxide are continuously pumped into the supergravity reaction unit for hydroxylation reaction and discharged to the receiving unit. The reaction temperature of the circulating reaction system is 50-100 ℃; The receiving unit, supergravity reaction unit, and heat exchange unit form a reaction cycle system; 3) Post processing: The reaction material is extracted from the receiving unit, enters the dilution kettle for cooling and crystallization, and is filtered by a centrifuge to obtain the product and mother liquor water. The mother liquor water is returned to the pulping process for reuse. 2. The production method of 3-N, N-dihydroxyethylaminoacetanilide according to claim 1, characterized in that the catalyst is a composite catalyst composed of acetic acid and zinc chloride, and the mass ratio of acetic acid to zinc chloride is 1:0.1-1. 3. The production method of 3-N, N-dihydroxyethylaminoacetanilide according to claim 1, characterized in that the feed mass ratio of meta aminoacetanilide, catalyst, water, and mother liquor water is 1: (0.001-0.1): (0.1-0.6): (0.3-1). 4. The production method of 3-N, N-dihydroxyethylaminoacetanilide according to claim 1, characterized in that the molar ratio of meta aminoacetanilide to ethylene oxide feed is 1: (2.01-2.1). 5. The production method of 3-N, N-dihydroxyethylaminoacetanilide according to claim 1, characterized in that the hypergravity machine is a hypergravity rotating packed bed. 6. The production method of 3-N, N-dihydroxyethylaminoacetanilide according to claim 5, characterized in that the rotor speed of the high gravity rotating packed bed is 500-3000 r/min. 7. The production method of 3-N, N-dihydroxyethylaminoacetanilide according to claim 1, characterized in that the residence time of the meta aminoacetanilide in the cyclic reaction system is 10-100 minutes. 8. The production method of 3-N, N-dihydroxyethylaminoacetanilide according to claim 1, characterized in that the reaction temperature of the cyclic reaction system is 50-100 ℃ and the reaction pressure is 0-0.3Mpa. 9. The production method of 3-N, N-dihydroxyethylaminoacetanilide according to claim 1, characterized in that the temperature for cooling crystallization is 10-15 ℃. 10. A production system for 3-N, N-dihydroxyethylaminoacetanilide, characterized by comprising: a pulping unit for pulping meta aminoacetylaniline, catalyst, water, and mother liquor water to obtain a pulp material; A supergravity reaction unit for hydroxylating the slurry with ethylene oxide; The receiving unit, together with the supergravity reaction unit and the heat exchange unit, forms a cyclic reaction system for controlling the reaction liquid level or weight and discharging the material; The post-processing unit includes a dilution kettle and a centrifuge, and is used to cool down, crystallize, and centrifuge the reaction material extracted from the receiving unit to obtain the product