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Product Name: Lactic Acid 80% 85% 88% 90% E270 CAS. No. 79-33-4 Model NO.: 80% Stability: Stabilized Acid Volatility: Volatile Acid Oxidation: Oxidizing Acid Element: Monobasic Acid Packaging: Plastic Drum Quality: Food Grade Kind: Inorganic Acid Acid Strength: Weak Acid Grade Standard: FCC VI Appearance: Colorless Liquid Classification: Lactic Acid EINECS: 201-196-2 Formula: C3h6o3 CAS No.: 79-33-4 Store: Dry and Cool Place M G: 90.08 Packing 2: 250kg /Drum Packing 3: 1200kg Drum Trademark: JK Transport Package: 25kg Drum Specification: FCC Origin: China HS Code: 291811 Product Description Lactic acid is a chemical compound that plays a role in various biochemical processes and was first isolated in 1780 by the Swedish chemist Carl Wilhelm Scheele. Lactic acid is a carboxylic acid with the chemical formula C3H6O3. It has a hydroxyl group adjacent to the carboxyl group, making it an alpha hydroxy acid (AHA).In solution, it can lose a proton from the carboxyl group, producing the lactate ion CH3CH(OH)COO. Compared to acetic acid, itspKa is 1 unit less, meaning lactic acid deprotonates ten times more easily than acetic acid does. This higher acidity is the consequence of the intramolecular hydrogen bridge between the α -hydroxyl and the carboxylate group, making the latter less capable of strongly attracting its proton.Lactic acid is miscible with water or ethanol, and is hygroscopic.Lactic acid is chiral and has two optical isomers. One is known as L-(+)-lactic acid or (S)-lactic acid and the other, its mirror image, is D-()-lactic acid or (R)-lactic acid.In animals, L-lactate is constantly produced from pyruvate via the enzyme lactate dehydrogenase (LDH) in a process of fermentationduring normal metabolism and exercise. It does not increase in concentration until the rate of lactate production exceeds the rate of lactate removal, which is governed by a number of factors, including monocarboxylate transporters, concentration and isoform of LDH, and oxidative capacity of tissues. The concentration of blood lactate is usually 12 mmol/L at rest, but can rise to over 20 mmol/L during intense exertion. [citation needed]In industry, lactic acid fermentation is performed by lactic acid bacteria which convert glucose and sucrose to lactic acid. These bacteria can also grow in the mouth; The acid they produce is responsible for the tooth decay known as caries. [3][4][5][6]In medicine, lactate is one of the main components of lactated Ringer's solution and Hartmann's solution. These intravenous fluids consist of sodium and potassium cations along with lactate and chloride anions in solution with distilled water, generally in concentrations isotonic with human blood. It is most commonly used for fluid resuscitation after blood loss due to trauma, surgery, or burn injury.ITEMSTANDARDAssayMin 80%Density1.18-1.20G/MLStereochemical PurityMin 95%Sulphated AshMax 0.1%ChlorideMax 0.2%SulphateMax 0.25%IronMax 10MG/KGArsenicMax 3MG/KGLeadMax 5MG/KGMercuryMax 1MG/KGHeavy metals (as Pb)Max 10MG/KGColorMax 50APHAL(+)-Lactic acid Basic informationProduct Name:L(+)-Lactic acidSynonyms:L-Lactic acid white;2-HYDROXYPROPIonIC ACID;L-Lactic acid, crystalline, 98.0%+;L-(+)-LACTIC ACID BIOXTRA;L(+)-LACTIC ACID FREE ACID 30% SOLUT;L-(+)-2-HYDROXYPROPANOIC ACID;L-2-HYDROXYPROPIonIC ACID;SARCOLACTIC ACIDCAS:79-33-4MF:C3H6O3MW:90.08EINECS:201-196-2Product Categories:Functional Materials;Hydroxycarboxylic Acids (for High-Performance Polymer Research);Food additive and acidulant;Reagent for High-Performance Polymer Research;Intermediates & Fine Chemicals;Pharmaceuticals;Food additivesMol File:79-33-4.molL(+)-Lactic acid Chemical PropertiesMelting point52-54°Calpha-13.5 º (c=2.5, 1.5N NaOH)Boiling point125 °Cdensity1.206g/mLat 25°CFEMA2611 | LACTIC ACIDrefractive indexn20/D1.427Fp>230°Fstorage temp.2-8°CsolubilityH2O: 10mg/mL, clear, colorlesspkapK at 25°, 3.79formPowder/SolidcolorWhiteoptical activity[α]20/D 13.5°, c = 2.5 in 1.5 M NaOHWater SolubilitySOLUBLESensitiveHygroscopicMerck14,5337JECFA Number930BRN1720251InChIKeyJVTAAEKCZFNVCJ-REOHCLBHSA-NCAS Database Reference79-33-4(CAS Database Reference)NIST Chemistry Reference(s)-2-Hydroxypropanoic acid(79-33-4)EPA Substance Registry SystemL-Lactic acid (79-33-4)Safety InformationHazard CodesXi,CRisk Statements38-41-34-36/37/38-36-35Safety Statements26-39-45-36/37/39-36RIDADR3261WGK Germany1RTECSOD2800000F3-10TSCAYesHazardClass8PackingGroupIIIHS Code29181100ToxicityLD50 intraperitoneal in mouse: 3194mg/kgMSDS InformationProviderLanguageACROSEnglishSigmaAldrichEnglishALFAEnglishL(+)-Lactic acid Usage And SynthesisChemical PropertiesCrystalline SolidUsesOccurs in small quantities in the blood and muscle fluid of man and animals. The lactic acid concentration increases in muscle and blood after vigorous activity. L-(+)-Lactic acid is also present in liver, kidney, thymus gland, human amniotic fluid, and oDefinitionChEBI: An optically active form of lactic acid having (S)-configuration.Purification MethodsPurify lactic acid by fractional distillation at 0.1mm pressure, followed by fractional crystallisation from diethyl ether/isopropyl ether (1:1, dried with sodium). [Borsook et al. J Biol Chem 102 449 1933.] The solvent mixture, *benzene/diethyl ether (1:1) containing 5% pet ether (b 60-80o) has also been used. [Brin Biochemical Preparations 3 61 1953, Beilstein 3 IV 633.]L(+)-Lactic acid Preparation Products And Raw materialsRaw materialsStarchPreparation ProductsMethanol-->Quizalofop-p-ethyl-->FENOXAPROP-P-ETHYL-->Calcium lactate-->CARBETAMIDE-->Sodium (S)-lactate-->Sodium lactate-->L-LACTIC ACID LITHIUM SALT