The freezing point of sodium lactate is -30 ℃.
Sodium lactate is a chemical substance with the molecular formula C ∝ H ₅ O ∝ Na. It has a molecular weight of 112.06 and is a colorless or almost colorless transparent liquid that can dissolve with water, ethanol, and glycerol. It can be used for food preservation, moisture preservation, fragrance enhancement and pharmaceutical raw materials, as well as medicine to relieve acidosis of students due to diarrhea, dehydration, diabetes, nephritis and other diseases. Also used as a seasoning, plasticizer for casein plastics, antifreeze, moisturizer, substitute for glycerol, and corrosion inhibitor for alcohol antifreeze.