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Gum Arabic

 

Appearance Amorphous, colorless to pale yellow solid
Odor Odorless
Solubility Soluble in water
Taste Tasteless
Density ~1.4 g/cm³
Molecular Weight Approximately 20,000 - 150,000 g/mol
Melting Point Decomposes around 160°C
pH (1% solution) 4.5 - 6.5
Viscosity (20% solution) ~30 - 50 mPa·s
Particle Size Typically in micron range
Refractive Index 1.46 - 1.47
Optical Rotation #ERROR!