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{{chembox
| Verifiedfields = changed
| Watchedfields = changed
| verifiedrevid = 477002503
| Name = Asam laktat
| ImageFile =
| ImageFileL1 = Lactic-acid-skeletal7 Milchsäure.svg
| ImageSizeL1 = 120px110
| ImageNameL1 = Skeletal formula of <small>L</small>-lactic acid
| ImageFileR1 = Lactic-acid-3D-balls.png
| ImageSizeR1ImageCaptionL1 = 120px
| ImageFileR1 = File:L-Lactic- acid-3D-balls molecule spacefill.png
| ImageNameR1 = Ball-and-stick model of lactic acid
| ImageSizeR1 = 130
| IUPACName = 2-hydroxypropanoic acid
| ImageNameR1 =
''Note:'' The S enantiomer is depicted in each of the structural models included above.
| ImageCaption2 = <small>rac</small>-Lactic acid
| PIN = 2-Hydroxypropanoic acid<ref name=iupac2013>{{cite book | title = Nomenclature of Organic Chemistry : IUPAC Recommendations and Preferred Names 2013 (Blue Book) | publisher = [[Royal Society of Chemistry|The Royal Society of Chemistry]] | date = 2014 | location = Cambridge | page = 748 | doi = 10.1039/9781849733069-00648 | isbn = 978-0-85404-182-4}}</ref>
| SystematicName =
| OtherNames = Lactic acid<ref name=iupac2013 /><br />Milk acid
| Section1 = {{Chembox Identifiers
| IUPHAR_ligand = 2932
| CASNo= 50-21-5
| CASNo_Ref = {{cascite|correct|CAS}}
| CASOther = <br /><small>D</small>/<small>L</small>: [50-21-5] <br /><small>L</small>: [79-33-4]<br /><small>D</small>: [10326-41-7]
| CASNo = 50-21-5
| CASNo1_Ref = {{cascite|correct|CAS}}
| CASNo1 = 79-33-4
| ChEMBL_Ref = {{ebicite|correct|EBI}}
| ChEMBL = 330546
| CASNo1_Comment = (<small>L</small>)
| CASNo2_Ref = {{cascite|correct|CAS}}
| CASNo2 = 10326-41-7
| CASNo2_Comment = (<small>D</small>)
| UNII_Ref = {{fdacite|changed|FDA}}
| UNII = 33X04XA5AT
| ChEBI_Ref = {{ebicite|correct|EBI}}
| ChEBI = 422
| StdInChI_Ref = {{stdinchicite|correct|chemspider}}
| StdInChI = 1S/C3H6O3/c1-2(4)3(5)6/h2,4H,1H3,(H,5,6)/t2-/m0/s1
| StdInChIKey_Ref = {{stdinchicite|correct|chemspider}}
| StdInChIKey = JVTAAEKCZFNVCJ-REOHCLBHSA-N
| ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}}
| ChemSpiderID = 96860
| SMILES = CC(O)C(=O)O
}}
| Section4Section2 = {{Chembox RelatedProperties
| C=3 | H=6 | O=3
| MeltingPt =53°C
| BoilingPtC = 122
| BoilingPt_notes = @ 15 mmHg
| pKa = 3.86,<ref>{{cite book| vauthors = Dawson RM |displayauthors=etal|title=Data for Biochemical Research|location=Oxford|publisher=Clarendon Press|date=1959}}</ref> 15.1<ref>{{cite journal | vauthors = Silva AM, Kong X, Hider RC | title = Determination of the pKa value of the hydroxyl group in the alpha-hydroxycarboxylates citrate, malate and lactate by 13C NMR: implications for metal coordination in biological systems | journal = Biometals | volume = 22 | issue = 5 | pages = 771–8 | date = October 2009 | pmid = 19288211 | doi = 10.1007/s10534-009-9224-5 }}</ref>
}}
| Section3 =
| Section4 = {{Chembox Thermochemistry| DeltaHc = 1361.9&nbsp;kJ/mol, 325.5&nbsp;kcal/mol, 15.1&nbsp;kJ/g, 3.61&nbsp;kcal/g}}
| Section8 = {{Chembox Related
| OtherAnions = lactate
| OtherFunction_label = [[carboxylic acid]]s
| OtherFunction = [[acetic acid]]<br />[[glycolic acid]]<br />[[propionic acid]]<br />[[3-hydroxypropanoic acid]]<br />[[malonic acid]]<br />[[butyric acid]]<br />[[hydroxybutyric acid]]
| OtherCompounds = [[1-propanol]]<br />[[2-propanol]]<br />[[propionaldehyde]]<br />[[acrolein]]<br />[[sodium lactate]]
}}
| Section5 =
| Section6 = {{Chembox Pharmacology
| ATCCode_prefix = G01
| ATCCode_suffix = AD01
| ATC_Supplemental = {{ATCvet|P53|AG02}}
}}
| Section7 = {{Chembox Hazards
| GHSPictograms = {{GHSp|GHS05}}<ref name="sigma">{{Sigma-Aldrich|sial|id=69785|name=DL-Lactic acid|access-date=20 July 2013}}</ref>
| HPhrases = {{H-phrases|315|318}}<ref name="sigma" />
| PPhrases = {{P-phrases|280|305+351+338}}<ref name="sigma" />
}}
| Section2Section8 = {{Chembox PropertiesRelated
| Formula = C<sub>3</sub>H<sub>6</sub>O<sub>3</sub>
| MolarMass = 90.08 g/mol
| MeltingPt =<small>L</small>: 53&nbsp;°C<br /><small>D</small>: 53&nbsp;°C<br /><small>D</small>/<small>L</small>: 16.8&nbsp;°C
| BoilingPt = 122&nbsp;°C @ 12 mmHg
| pKa = 3.86 at 25&nbsp;°C
}}
| Section4 = {{Chembox Related
| OtherAnions = laktat
| Function = [[asam karboksilat]]
 
Asam ini memiliki simetri cermin ([[kiralitas]]), dengan dua [[isomer]]: asam <small>L</small>-(+)-laktat atau asam (''S'')-laktat dan, cerminannya, iasam <small>D</small>-(-)-laktat atau asam (''R'')-laktat. Hanya isomer yang pertama (S) aktif secara [[biologi]].
 
== Pranala luar ==
* [http://www.smithsonianmag.com/science-nature/10022381.html Corn Plastic to the Rescue]