Hindustan Organic Chemicals Limited offers Hydrogen Gas with 99.9% Purity. Hindustan Organic Chemicals Limited has achieved an ISO 9001:2000 certification. Hydrogen Gas with 99.9% Purity is used for manufacturing hydrogenated products of various aliphatic and aromatics and in oxy-hydrogen flames. Hydrogen Gas with 99.9% Purity is available with maximum 200 ppm Oxygen content.