Making an Azo Dye

24 Making an Azo dye : 

HazCard : 4B, 47A, 70B, 91A, 93

• Access to Ethyl 4-aminobenzoate (Substance A) + spatula

• Access to Naphthalen-2-ol (Substance B) + spatula

• Access to solid Sodium Nitrate NaNO2 + spatula

• Access to balance 0.10g

• Weighing boats

• Access to HCl about 1.0 M

• Access to NaOh about 1.0M

• 1 X 250cc beaker

• 2 X 10cc measuring cylinder

• 2 X Glass rods

• 2 X boiling tubes

• 1 X 125cc beaker

• Ice bath 250cc or larger, low form glass beaker containing ice and water

• 2 X dropping pipettes

• 2 X Thermometers rang -10 110

• Filter funnel and filter paper or access to vacuum filtration system

• Watch glass

• Conical flask for AZO dye

• Gloves