Properties and chemical reactions of lactic acidTechnical grade lactic acid is used as an acidulant in vegetable and leather tanning industries.
Various textile finishing operations and acid dyeing of food require low cost technical grade lactic acid to compete with cheaper inorganic acid.
Lactic acid is being used in many small scale applications like pH adjustment, hardening baths for cellophanes used in food packaging, terminating agent for phenol formaldehyde resins, alkyl resin modifier, solder flux, lithographic and textile printing developers, adhesive formulations, electroplating and electro-polishing baths, detergent builders.
Lactic acid has many pharmaceutical and cosmetic applications and formulations in topical ointments, lotions, anti acne solutions, humectants, parenteral solutions and dialysis applications, and anti carries agents.
Calcium lactate can be used for calcium deficiency therapy, and as an anti caries agent.
Its biodegradable polymer has medical applications as sutures, orthopedic implants, controlled drug release, etc.