Lactic acid

Description	A concentrated solution of lactic acid is typically a mixture of lactic acid lactate and lactic acid. The concentration of this solution is approximately 90% (w/w). Lactic acid appears as a colorless to yellow odorless syrupy liquid. Corrosive to metals and tissue. Used to make cultured dairy products, as a food preservative, and to make chemicals. 2-hydroxypropanoic acid is a 2-hydroxy monocarboxylic acid that is propanoic acid in which one of the alpha-hydrogens is replaced by a hydroxy group. It has a role as a Daphnia magna metabolite and an algal metabolite. It is functionally related to a propionic acid. It is a conjugate acid of a lactate. A normal intermediate in the fermentation (oxidation, metabolism) of sugar. The concentrated form is used internally to prevent gastrointestinal fermentation. Sodium lactate is the sodium salt of lactic acid, and has a mild saline taste. It is produced by fermentation of a sugar source, such as corn or beets, and then, by neutralizing the resulting lactic acid to create a compound having the formula NaC3H5O3. Lactic acid was one of active ingredients in Phexxi, a non-hormonal contraceptive agent.
IUPAC Name	2-Hydroxypropanoic acid
Molecular Weight	90.08
Molecular Formula	C3H6O3
Canonical SMILES	CC(C(=O)O)O
InChI	InChI=1S/C3H6O3/c1-2(4)3(5)6/h2,4H,1H3,(H,5,6)
InChI Key	JVTAAEKCZFNVCJ-UHFFFAOYSA-N
Boiling Point	122 °C /15mmHg (lit.)
Melting Point	18 °C
Flash Point	>230 °F
Purity	98%
Density	1.209 g/ml
Solubility	Water-soluble
Appearance	Clear, water-white viscous liquid, characteristic odor
Application	Lactic acid appears as a colorless to yellow odorless syrupy liquid. Corrosive to metals and tissue. Used to make cultured dairy products, as a food preservative, and to make chemicals.Used as a solvent and acidulant in the production of foods, drugs, and dyes; Also used as a mordant in woolen goods printing, a soldering flux, a dehairing agent, and a catalyst for phenolic resins; Also used in leather tanning, oil well acidizing, and as a plant growth regulator. Applied in Petroleum Production and Refining, Soldering, Farming (Pesticides) ,Leather Tanning and Processing, Fur Dressing and Dyeing, Textiles (Printing, Dyeing, or Finishing) The fastest growing use for lactic acid is its use as a monomer for the production of polylactic acid or polylactide (PLA). Applications for PLA include containers for the food and beverage industries, films and rigid containers for packaging, and serviceware (cups, plates, utensils). The PLA polymer can also be spun into fibers and used in apparel, fiberfill (pillows, comforters), carpet, and nonwoven applications such as wipes. In dyeing baths, as mordant in printing woolen goods, solvent for water-insoluble dyes (alcohol-soluble induline, nigrosine, spirit-blue). Reducing chromates in mordanting wool. Manufacturing cheese, confectionery. Component of babies' milk formulas; acidulant in beverages; for acidulating worts in brewing. In preparation of sodium lactate injections. Ingredient of cosmetics. Component of spermatocidal jellies. For removing Clostridium butyricum in manufacturing of yeast; dehairing, plumping, and decalcifying hides. Solvent for cellulose formate. Flux for soft solder. Manufacturing lactates which are used in food products, in medicine, and as solvents. Plasticizer, catalyst in the casting of phenolaldehyde resins.
Storage	Store light-protected at a cool and dry place
Assay	88.0-92.0%
Composition	Lactic acid, water
EC Number	200-018-0
Form	Viscous liquid
NACRES	NA.25
Packaging	100 mL or 500 mL in poly bottle
pH	2
Quality Level	200
Refractive Index	n20/D 1.4262(lit.)