ChemicalBook > CAS DataBase List > L(+)-Lactic acid

L(+)-Lactic acid

Product Name
L(+)-Lactic acid
CAS No.
79-33-4
Chemical Name
L(+)-Lactic acid
Synonyms
L-LACTIC ACID;2-HYDROXYPROPIONIC ACID;LACTIC ACI;Lactic acid, L-;SARCOLACTIC ACID;ph90;Tisulac;Espiritin;HiPure 90;PURAC(R) 50
CBNumber
CB1138319
Molecular Formula
C3H6O3
Formula Weight
90.08
MOL File
79-33-4.mol
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L(+)-Lactic acid Property

Melting point:
52-54°C
alpha 
-13.5 º (c=2.5, 1.5N NaOH)
Boiling point:
125 °C
Density 
1.206 g/mL at 25 °C
vapor pressure 
0.038Pa at 25℃
FEMA 
2611 | LACTIC ACID
refractive index 
n20/D 1.427
Flash point:
>230 °F
storage temp. 
2-8°C
solubility 
H2O: 10 mg/mL, clear, colorless
form 
Powder/Solid
pka
pK at 25°, 3.79
color 
White
Odor
odorless acidic
Odor Type
odorless
optical activity
[α]20/D 13.5°, c = 2.5 in 1.5 M NaOH
Water Solubility 
SOLUBLE
Sensitive 
Hygroscopic
Merck 
14,5337
JECFA Number
930
BRN 
1720251
InChIKey
JVTAAEKCZFNVCJ-REOHCLBHSA-N
LogP
-0.54 at 20℃
CAS DataBase Reference
79-33-4(CAS DataBase Reference)
NIST Chemistry Reference
(s)-2-Hydroxypropanoic acid(79-33-4)
EPA Substance Registry System
L-Lactic acid (79-33-4)
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Safety

Hazard Codes 
Xi,C
Risk Statements 
38-41-34-36/37/38-36-35
Safety Statements 
26-39-45-36/37/39-36
RIDADR 
3261
WGK Germany 
1
RTECS 
OD2800000
F 
3-10
TSCA 
Yes
HazardClass 
8
PackingGroup 
III
HS Code 
29181100
Toxicity
LD50 intraperitoneal in mouse: 3194mg/kg
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H315Causes skin irritation

H318Causes serious eye damage

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P332+P313IF SKIN irritation occurs: Get medical advice/attention.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
46937
Product name
L-(+)-Lactic acid
Purity
analytical standard
Packaging
100mg
Price
$111
Updated
2024/03/01
Sigma-Aldrich
Product number
27715
Product name
L-(+)-Lactic acid
Purity
80%
Packaging
1L
Price
$104
Updated
2024/03/01
Sigma-Aldrich
Product number
199257
Product name
L-(+)-Lactic acid solution
Purity
in H2O, ≥85%
Packaging
1kg
Price
$253
Updated
2024/03/01
Sigma-Aldrich
Product number
199257
Product name
L-(+)-Lactic acid solution
Purity
in H2O, ≥85%
Packaging
5g
Price
$37.8
Updated
2023/06/20
TCI Chemical
Product number
L0165
Product name
L-Lactic Acid
Purity
>85.0%(T)
Packaging
25g
Price
$32
Updated
2024/03/01
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L(+)-Lactic acid Chemical Properties,Usage,Production

Chemical Properties

Crystalline Solid

Uses

Occurs 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 o

Uses

It is most commonly used for fluid resuscitation after blood loss due to trauma, surgery, or burn injury. It is used in the agricultural, chemical, leather processing, pharmaceuticals, and cosmetics industries, used as an electroplating agent, food/feed additive, pH regulator, cleaning/washing agent, and tanning agent; used to flavor animal feeds; used as a solvent and intermediate in chemical production, as a pH regulator in fabric finishing, and in paints, coatings, soaps, and cleaning products; used to make large scale and fine chemicals, pulp-paper-paper products, food products, and plastic products, in mining, health services, agriculture-forestry-fishing, and building and construction work.

Uses

Lactic acid has been used:

  • as a component in substrate solution II for lactate dehydrogenase reaction
  • as an additive in storage solution A
  • as a supplement in the artificial gastric juice preparation for evaluation of degree of resistance Lactobacillus to the gastric stresses

Definition

ChEBI: An optically active form of lactic acid having (S)-configuration.

General Description

L-(+)-Lactic acid is the only naturally occurring lactic acid in humans and mammals. Commercially, few bacteria like Lactobacillus casei, L. delbrueckii, Streptococcus lactis produces L-Lactic acid by fermentation process. Lactic acid activates hydroxycarboxylic acid receptor, G-protein coupled receptor 81 (GPR81).

Flammability and Explosibility

Not classified

Biochem/physiol Actions

L-(+)-Lactic acid is used as a substrate for lactic acid dehydrogenase and lactate oxidase.

Purification Methods

Purify 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 materials

Raw materials

Starch

Preparation Products

L-LACTIC ACID LITHIUM SALT Sodium (S)-lactate Sodium lactate CARBETAMIDE Methanol FENOXAPROP-ETHYL Quizalofop-p-ethyl Calcium lactate
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View Lastest Price from L(+)-Lactic acid manufacturers

HebeiShuoshengImportandExportco.,Ltd
Product
L(+)-Lactic acid 79-33-4
Price
US $6.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
2000KG/Month
Release date
2024-08-09
Hebei Longbang Technology Co., Ltd
Product
L(+)-Lactic acid 79-33-4
Price
US $6.00/kg
Min. Order
1kg
Purity
More than 99%
Supply Ability
2000KG/Month
Release date
2024-05-11
Hebei Weibang Biotechnology Co., Ltd
Product
L(+)-Lactic acid 79-33-4
Price
US $1.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
10 mt
Release date
2024-11-13

79-33-4, L(+)-Lactic acidRelated Search:

3-(4-Hydroxyphenyl)propionic acid 3-Hydroxypropionic acid 2,2-Bis(hydroxymethyl)propionic acid Calcium Propionate Calcium L-lactate Ethyl 2-(Chlorosulfonyl)acetate Folic acid Glycine Citric acid Hydroxy silicone oil 2-Hydroxypyridine 2-Chloropropionic acid 2,3-Dibromopropionic acid Calcium lactate Ethyl L(-)-lactate L-LACTIC ACID LITHIUM SALT EC 1.1.1.28 S-LACTIC ACID SODIUM SALT,dl-lactic acid sodium salt solution,S-LACTIC ACID SODIUM SALT,dl-lactic acid sodium salt solution

  • 2-HYDROXYPROPIONIC ACID
  • L-Lactic acid, crystalline, 98.0%+
  • L-(+)-2-HYDROXYPROPANOIC ACID
  • L-2-HYDROXYPROPIONIC ACID
  • SARCOLACTIC ACID
  • (S)-(+)-LACTIC ACID
  • (S)-(+)-2-HYDROXYPROPANOIC ACID
  • (S)-2-HYDROXYPROPIONIC ACID
  • PURAC(R) HQ 88
  • PURAC(R) HS 88
  • PURAC(R) PF 88
  • PURAC(R) SP 80
  • PURAC(R) SP 88
  • PURAC(R) 50
  • (+)-Milchsαure
  • L-(+)-LACTIC ACID BIOXTRA
  • L(+)-LACTIC ACID FREE ACID 30% SOLUT
  • (S)-Milchsαure
  • 2-hydroxy-,(S)-Propanoicacid
  • Espiritin
  • L-LACTIC ACID, 85+%, SOLUTION IN WATER
  • L(+)-Lactic acid solution 20 %
  • L(+)-LACTIC ACID SOLUTION, ACS, 85-90% I N WATER
  • LACTIC ACID 88-92 %, EXTRA PURE, DAB, PH . EUR., B.P., PH. FRANC.
  • L(+)-LACTIC ACID FREE ACID 30% SOLUTION
  • L-(+)-LACTIC ACID FREE ACID 98+%
  • L-(+)-LACTIC ACID 88-92 %, EXTRA PURE, USP, BP, FCC
  • L-(+)-LACTIC ACID 88-90% GR ACS
  • L-(+)-LACTIC ACID GC STANDARD
  • L-LacticAcidCrystalline
  • LACTIC ACID HIPURE
  • L(+)-Lactic acid, 20 wt.% solution in water
  • (2S)-2-Hydroxy-propanoic Acid
  • HiPure 90
  • Propanoic acid, 2-hydroxy-, (2S)-
  • lactic acid solution
  • l-lactic acid, anhydrous
  • LACTIC ACID, PH EUR
  • L(+)lactic acid free acid sigmaultra
  • L(+)-Lactic acid solution
  • LACTIC ACI
  • L-(+)-LACTICACID,HIGHPURITY
  • L-Buffered Lactic Acid
  • L-(+)-α-Hydroxypropionic acid
  • Lactic acid, L- (8CI)
  • PURAC Powder H 60
  • L-(+)-Lactic acid, ca 85-90% aq. soln.
  • (S)-(+)-Lactic acid, (S)-2-Hydroxypropionic acid
  • (S)-2-Hydroxypropionic acid, Sarcolactic acid
  • L-(+)-Lactic acid, 90% solution in water
  • L-Lactic acid white
  • L(+)-Lactic acid ,90%
  • L-(+)-Lactic acid solution,(S)-2-Hydroxypropionic acid, Sarcolactic acid
  • L-(+)-Lactic acid,(S)-2-Hydroxypropionic acid, Sarcolactic acid
  • L(+)-Lactic acid, 88 - 92%, extra pure, Ph Eur, BP
  • L(+)-Lactic acid, 88- 90%, reagent grade, ACS
  • L-Lactic acid - 99.5%
  • Lactic Acid, Levorotatory, USP