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CAS No 79-33-4 , L(+)-Lactic acid

  • Name: L(+)-Lactic acid
  • Synonyms: (S)-(+)-2-Hydroxypropanoic acid; L-Lactic acid; Sarcolactic acid; L(+)-Lactic acid solution; (S)-2-Hydroxypropionic acid; L-Lactic acid, free acid; lactate standard 40 mg/dl; L(+)lactic acid free acid sigmaultra;L(+)-Lactic acid;
  • CAS Registry Number:
  • Transport: 3261
  • Melting Point: 52-54°C
  • Flash Point: 109.9 ºC
  • Boiling Point: 125 ºC
  • Density: 1.206
  • Refractive index: 1.426-1.428
  • Alpha: -13.5 º (C=2.5, 1.5N NAOH)
  • Safety Statements: R34
  • Hazard Symbols: C: Corrosive;
  • Flash Point: 109.9 ºC
  • EINECS: 201-196-2
  • Molecular Weight: 90.08
  • InChI: InChI=1/C3H6O3/c1-2(4)3(5)6/h2,4H,1H3,(H,5,6)/t2-/m0/s1
  • Risk Statements: S26;S36/37/39;S45
  • Molecular Formula: C3H6O3
  • Molecular Structure:CAS No:79-33-4 L(+)-Lactic acid
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79-33-4 L(+)-Lactic acid

  • Japan PURAC Japan null
  • Tel: 81 3 5720 7531
  • Fax: 81 3 5720 7565
  • Address: Ebisu Sunny Bldg. 3F, 2-23-12 Ebisu-minami, Shibuya-ku, Tokyo, 150-0022, Japan null,nullJapan
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79-33-4 L(+)-Lactic acid

  • China PURAC China null
  • Tel: 86 21 6875 4755
  • Fax: 86 21 6875 6974
  • Address: No. 660 Shang Cheng Rd., Rm. 1605, Lucky Mansion, Pudong New Area, Shanghai, P.C., 200120, P.R. China null,nullChina
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79-33-4 L(+)-Lactic acid

  • Singapore PURAC Asia Pacific Pte. Ltd. null
  • Tel: 65 6349 1350
  • Fax: 65 6222 1707
  • Address: 138 Robinson Rd. #18-01, The Corporate Office, Singapore, 068906, Singapore null,nullSingapore
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79-33-4 L(+)-Lactic acid

  • Russia PURAC Russia null
  • Tel: 7 095 974 1521
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  • Address: Bolshaya Yakimanka St. 31, office 315, 109180 Moscow, Russia null,nullRussia
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79-33-4 L(+)-Lactic acid

  • Poland PURAC Poland null
  • Tel: 48 22 616 18 52
  • Fax: 48 22 616 09 50
  • Address: ul. Saska 105 m. 5, 03-914 Warszawa, Poland null,nullPoland
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79-33-4 L(+)-Lactic acid

  • Germany PURAC Germany null
  • Tel: 49 6721 181740
  • Fax: 49 6721 181750
  • Address: Mainzer Strasse 160, 55411 Bingen, Germany null,nullGermany
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79-33-4 L(+)-Lactic acid

  • France PURAC France null
  • Tel: 33 4 72 11 4667
  • Fax: 33 4 72 11 4669
  • Address: 10 Place Charles Beraudier, L'Orient-Gare Part Dieu, 69428 Lyon Cedex 03, France null,nullFrance
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79-33-4 L(+)-Lactic acid

  • United Kingdom PURAC Biochem (UK) null
  • Tel: 44 121 236 1828
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  • Address: 50-54 St. Paul's Square, Birmingham, West Midlands, B3 1QS, UK null,nullUnited Kingdom
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79-33-4 L(+)-Lactic acid

  • Netherlands PURAC biochem BV null
  • Tel: 31 183 695 695
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  • Address: Arkelsedijk 46, Postbus 21, 4200 AA Gorinchem, The Netherlands null,nullNetherlands
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79-33-4 L(+)-Lactic acid

  • China Henan Livelong Manufacturing,Inc. [Manufacturers]
  • Tel: +86-532-82838360
  • Fax: +86-532-82838530
  • Address: RM 2616, Lu'neng Buildiing A, Beijing Rd.27, Qingdao, China. Qingdao,shandongChina
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References of L(+)-Lactic acid
Title: L-Lactic Acid
CAS Registry Number: 79-33-4
CAS Name: (2S)-2-Hydroxypropanoic acid
Synonyms: L(+)-lactic acid; dextrorotatory lactic acid; d-lactic acid; sarcolactic acid; paralactic acid; Fleishmilchs?ure; L-Milchs?ure
Molecular Formula: C3H6O3
Molecular Weight: 90.08
Percent Composition: C 40.00%, H 6.71%, O 53.28%
Literature References: Occurs in small quantities in the blood and muscle fluid of man and animals. The lactic acid concn increases in muscle and blood after vigorous activity. L(+)-Lactic acid is also present in liver, kidney, thymus gland, human amniotic fluid, and other organs and body fluids. Obtained by resolution of DL-lactic acid: Purdie, Walker, J. Chem. Soc. 61, 754 (1892); Borsook et al., J. Biol. Chem. 102, 449 (1933). Convenient laboratory prepn from glucose by fermentation by Lactobacillus delbrueckii: Brin, Biochem. Prep. 3, 61 (1953). Prepn from hexoses using B. dextrolacticus: Andersen, Greaves, Ind. Eng. Chem. 34, 1522 (1942). Monograph: M. Brin, R. H. Dunlop, "Chemistry and Metabolism of L- and D-Lactic Acids" in Ann. N.Y. Acad. Sci. 119, 851-1165 (1965).
Properties: Crystals from acetic acid or chloroform, mp 53°. [a]546.121-22 +2.6° (c = 2.5). pK at 25°, 3.79. Forms salts with many metals. The salts are more sol in water than the salts of the racemic acid. Most of the salts are levoratory.
Melting point: mp 53°
pKa: pK at 25°, 3.79
Optical Rotation: [a]546.121-22 +2.6° (c = 2.5)
 
Derivative Type: Zinc L(-)-lactate dihydrate
Molecular Formula: Zn(C3H5O3)2.2H2O
Molecular Weight: 279.58
Percent Composition: Zn 23.40%, C 25.78%, H 5.05%, O 45.78%
Properties: Prisms. [a]D25 -8.2° (c = 2.5 in water).
Optical Rotation: [a]D25 -8.2° (c = 2.5 in water)