Benzyltrimethylammonium Chloride (56-93-9) is Beige Crystalline. Storage: Keep container tightly closed. Keep container in a cool, well-ventilated area. Waste Disposal: Waste must be disposed of in accordance with federal, state and local environmental control regulations. BTMAC - Powder BTMAC - Liquid Both available, Manufacturer and suppliers of Phase transfer catalyst, quaternary ammonium compounds in Vadodara Ankleshwar Surat Vapi Pune Mumbai Gujarat India. Benzyltrimethylammonium Chloride - BTMAC