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HomeProduct name list2,2-Bis(3-amino-4-hydroxyphenyl)propane

2,2-Bis(3-amino-4-hydroxyphenyl)propane

  • CAS NO.:1220-78-6
  • Empirical Formula: C15H18N2O2
  • Molecular Weight: 258.32
  • MDL number: MFCD00437413
  • EINECS: 807-962-8
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-05-23 11:46:28
2,2-Bis(3-amino-4-hydroxyphenyl)propane Structural

What is 2,2-Bis(3-amino-4-hydroxyphenyl)propane?

Description

2,2-Bis(3-amino-4-hydroxyphenyl)propane (BAP) is a diamine organic compound that is used in the synthesis of polyimides.

The Uses of 2,2-Bis(3-amino-4-hydroxyphenyl)propane

2,2-bis(4-hydroxy-3-aminophenyl)propane is used as a polyimide intermediate and functional monomer.

Synthesis

Synthesis_1220-78-6
Thedinitro compound (2) (10,000 g, 0.0314 mol) was heated to reflux inabsolute ethanol (100 mL) in the presence of wet 10% Pd/C catalyst(0.650 g). Hydrazine monohydrate (20 mL) was then added dropwiseover a period of 30 min, and the reaction was maintained at reflux for24 h. The hot solution was filtered through Celite to eliminate thecatalyst and partially concentrated under reduced pressure. Afterwards,the concentrate was poured into cold distilled water. The crude productwas filtered, washed with water, dried under vacuum and recrystallizedtwice from methanol to give (3). The diamino compound was obtainedas a white powder: yield: 88%; mp. 263 ??C (DSC); Analysis: Calculatedfor C15H18N2O2: C, 69.74%; H, 7.02%; N, 10.84%. Found: C, 69.35%;H, 7.15%; N, 11.02%. 1H NMR (400 MHz, DMSO-d6): |? (ppm); 8.57 (s,1H, OH), 6.43 (d, J=8.1 Hz, 1H, Har), 6.34 (d, J=1.8 Hz, 1H, Har),6.21 (dd, J=8.1 Hz, 1.8 Hz, 1H, Har), 4.23 (s, 2H, NH) 1.37 (s, 3H, CH3f). 13C NMR (100 MHz, DMSO-d6): |? (ppm) 142.4, 141.4, 135.4, 114.4,113.5, 113.4, 40.8, 30.9.

Properties of 2,2-Bis(3-amino-4-hydroxyphenyl)propane

Melting point: 248-250 °C
Boiling point: 471.1±45.0 °C(Predicted)
Density  1.265±0.06 g/cm3(Predicted)
storage temp.  Keep in dark place,Inert atmosphere,Room temperature
solubility  soluble in Dimethylformamide
form  powder to crystal
pka 10.62±0.10(Predicted)
color  White to Yellow to Orange
CAS DataBase Reference 1220-78-6(CAS DataBase Reference)

Safety information for 2,2-Bis(3-amino-4-hydroxyphenyl)propane

Signal word Warning
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
Precautionary Statement Codes P264:Wash hands thoroughly after handling.
P264:Wash skin thouroughly after handling.
P280:Wear protective gloves/protective clothing/eye protection/face protection.

Computed Descriptors for 2,2-Bis(3-amino-4-hydroxyphenyl)propane

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