1. Product : SCHAEFFAR’S ACID, POTASSIUM SALT 2. Chemical Name: Potassium Acid 6-2 sulfonic hydroxynaftaieno 3. Molecular Weight: 262.09 g/ mol 4. Appearance: Off White to brownish dry free flowing Powder 5. Assay by titration: MIN. 90% 6. Chromatographic Analysis by HPLC G.acid: MAX 0.30% Assay by HPLC: MIN 98% R.Acid: MAX 0.30% Beta Naphthol: MAX 0.10% DONS Acid: MAX 0.30% 7. Moisture: MIN. 1 to 10% 8. Water Insoluble Matter: MAX 0.10% 9. Iron : 2

Product Name:G- SALT Synonyms:2-Napthol 6.8 Di-Sulfonic Acid Di-Potassium Salt PROPERTIES Appearance:White fine dust powder Strength:90% Min. Mol.Weight:380.00 g/ mol Beta Naphthol:<0.10% Water Insoluble Matter:< 0.20% R Salt:< 0.30% Schaeffer Acid:< 0.30% Trisulfonated:< 0.50% Heavy Metals:40 ppm max Lead:2 ppm max Cadmium:1 ppm max Mercury:1 ppm max Arsenic:1 ppm max PACKING :50/25 kgs. in HDPE bags with Polythene liner. Shelf Life: minimum 2 years