‌N,N-dihydroxyethyl-p-methylaniline can be in the form of a colorless to pale yellow solid or a light yellow liquid.

Specifically, there are some differences in the description of the appearance of this compound, which may be due to its different physical states or preparation processes. Some sources describe it as a colorless to pale yellow solid in the form of a crystalline powder. Other sources indicate that it can also be a light yellow liquid with a certain solubility and can be dissolved in a variety of organic solvents.

Therefore, the exact form of N,N-dihydroxyethyl-p-methylaniline may depend on its specific preparation conditions, storage state and use environment. In practical applications, the appropriate form of N,N-dihydroxyethyl-p-methylaniline should be selected according to specific needs and conditions.

‌N,N-dihydroxyethyl-p-methylaniline has a wide range of uses, mainly including as a dye intermediate, pharmaceutical intermediate and unsaturated resin accelerator.

‌Dye intermediates: N,N-dihydroxyethyl-p-methylaniline plays an important role in the dye industry. Since the hydroxyethyl group in its chemical structure can improve the dispersion of dyes in synthetic fibers, it is often used as a dye intermediate, participates in the synthesis process of dyes, and provides the necessary chemical structure for the preparation of dyes.

‌Pharmaceutical intermediates‌: In the pharmaceutical field, N,N-dihydroxyethyl-p-methylaniline also plays an important role. It can be used as an intermediate in drug synthesis and participate in the synthesis of some antibacterial drugs, anti-tumor drugs, etc. In addition, due to its stable chemical properties, it can also be used as a stabilizer for drugs to ensure the stability of drugs during storage and use.

‌Unsaturated resin accelerator‌: N,N-dihydroxyethyl-p-methylaniline is also an important accelerator for unsaturated resins. It can play an excellent role in the promotion of curing of acrylic resins, the acceleration of curing of unsaturated polyester resins, and the production of self-curing dental tray water and acrylic glass. At the same time, it is also widely used in the production of interlayer casting, room temperature curing glue, various acrylic structural glues and two-component glue systems, providing the necessary chemical boost for the preparation of these products.

In summary, N,N-dihydroxyethyl-p-methylaniline plays an important role in the fields of chemical industry, medicine, dyes and unsaturated resins due to its unique chemical structure and wide range of uses.

2,2′-(P-TOLYLIMINO)DIETHANOL Chemical Properties
Melting point 49-53 °C (lit.)
Boiling point 338-340 °C (lit.)
density 1.0654 (rough estimate)
vapor pressure 0Pa at 25℃
refractive index 1.5330 (estimate)
Fp >230 °F
storage temp. Inert atmosphere,Room Temperature
solubility soluble in Methanol
form powder to lump to clear liquid
pka 14.33±0.10(Predicted)
color White or Colorles to Yellow to Orange
Water Solubility 19.8g/L at 20℃
BRN 2099156
InChIKey JUVSRZCUMWZBFK-UHFFFAOYSA-N
LogP 2 at 35℃
CAS DataBase Reference 3077-12-1(CAS DataBase Reference)
EPA Substance Registry System Ethanol, 2,2′-[(4-methylphenyl)imino]bis- (3077-12-1)

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