Molecular formula: HOOCCOOH

Usages:

1. As an analytical reagent.

2. In calico printing and dyeing.

3. For bleaching straw (hats) and leather.

4. For removing paint or varnish, rust or ink stains.

5. In cleaning wood.

6. In the manufacture of oxalates, blue ink, celluloid, intermediates and dyes.

7. In metal polishes.

8. In indigo dyeing.

9. In purifying methanol.

10. For decolorizing crude glycerol.

11. For stabilizing hydrocyanic acid.

12. As a general reducing agent.

13. In ceramics and pigments.

14. In metallurgy as a cleanser.

15. In the paper industry.

16. In photography.

17. In process engraving.

18. In the rubber manufacturing industry.

19. In making glucose from starch.

20. As condensing agent in organic chemistry.