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
- Molecular Weight:
- 90.08
- MOL File:
- 79-33-4.mol
- Modify Date:
- 2024/6/11 18:14:38
| Melting point | 52-54°C |
|---|---|
| Boiling point | 125 °C |
| alpha | -13.5 º (c=2.5, 1.5N NaOH) |
| Density | 1.206 g/mL at 25 °C |
| vapor pressure | 0.038Pa at 25℃ |
| refractive index |
n |
| FEMA | 2611 | LACTIC ACID |
| Flash point | >230 °F |
| storage temp. | 2-8°C |
| solubility | H2O: 10 mg/mL, clear, colorless |
| pka | pK at 25°, 3.79 |
| form | Powder/Solid |
| 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 |
| JECFA Number | 930 |
| Merck | 14,5337 |
| 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) |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS05 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Danger | |||||||||
| Hazard statements | H315-H318 | |||||||||
| Precautionary statements | P264-P280-P302+P352-P305+P351+P338-P332+P313-P362+P364 | |||||||||
| 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 | |||||||||
| NFPA 704 |
|
L(+)-Lactic acid price More Price(37)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich(India) | L6402 | L-(+)-Lactic acid BioXtra, ≥98% (titration) | 79-33-4 | 1G | ₹5704.78 | 2022-06-14 | Buy |
| Sigma-Aldrich(India) | L6402 | L-(+)-Lactic acid BioXtra, ≥98% (titration) | 79-33-4 | 5G | ₹11626.05 | 2022-06-14 | Buy |
| Sigma-Aldrich(India) | L6402 | L-(+)-Lactic acid BioXtra, ≥98% (titration) | 79-33-4 | 10G | ₹20069.55 | 2022-06-14 | Buy |
| Sigma-Aldrich(India) | L1875 | L-(+)-Lactic acid solution 30% in H2O (by weight) | 79-33-4 | 100ML | ₹10803.35 | 2022-06-14 | Buy |
| Sigma-Aldrich(India) | L1875 | L-(+)-Lactic acid solution 30% in H2O (by weight) | 79-33-4 | 250ML | ₹10846.65 | 2022-06-14 | Buy |
L(+)-Lactic acid Chemical Properties,Uses,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
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).
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
Preparation Products
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Global( 578)Suppliers
| Supplier | Tel | Country | ProdList | Advantage | Inquiry |
|---|---|---|---|---|---|
| JSK Chemicals | +919879767970 | Gujarat, India | 3756 | 58 | Inquiry |
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| LOBA CHEMIE PVT.LTD. | 91-22-6663 6699 | Mumbai, India | 3077 | 58 | Inquiry |
| Supplier | Advantage |
|---|---|
| JSK Chemicals | 58 |
| Otto Chemie Pvt. Ltd. | 58 |
| TCI Chemicals (India) Pvt. Ltd. | 58 |
| CLEARSYNTH LABS LTD. | 58 |
| A.J Chemicals | 58 |
| CHEMSWORTH | 30 |
| FINAR LTD | 58 |
| Alfa Aesar | 58 |
| Sisco Research Laboratories Pvt. Ltd. | 58 |
| LOBA CHEMIE PVT.LTD. | 58 |
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