L-Lactide CAS#4511-42-6 Product Description
L-Lactide (3,6-dimethyl-1,4-dioxane-2,5-dione) is a cyclic diester derived from lactic acid and is an important intermediate in polymer production. With the molecular formula C₆H₈O₄, it plays a vital role as a monomer in the synthesis of polylactic acid (PLA), a versatile polymer widely used across various manufacturing industries. PLA produced from L-Lactide is utilized in applications such as packaging materials, consumer goods, fibers, and other polymer-based products. Due to its connection with lactic acid, which can be obtained from renewable resources, L-Lactide is also an important raw material in the development of bio-based plastics and more sustainable polymer solutions.
L-Lactide CAS#4511-42-6 Chemical Properties
| Melting point | 92-94 °C(lit.) |
| Boiling point | 255°C |
| Density | 1.186±0.06 g/cm3(Predicted) |
| Vapor pressure | 0.311Pa at 25℃ |
| Refractive index | 1.4475 |
| Storage temp | 2-8°C |
| Solubility | Soluble in chloroform, and methanol. Slightly soluble in benzene. |
| Form | Solid |
| Color | White to Off-White |
| Optical Rotation | [α]20/D 285°, c = 1 in toluene |
| Water Solubility | 16.7g/L at 20℃ |
| Sensitive | Moisture Sensitive |
| BRN | 82124 |
| Stability | Hygroscopic |
| InChIKey | JJTUDXZGHPGLLC-IMJSIDKUSA-N |
| LogP | 0.4 at 25℃ |
| CAS DataBase Reference | 4511-42-6(CAS DataBase Reference) |
| EPA Substance Registry System | 1,4-Dioxane-2,5-dione, 3,6-dimethyl-, (3S,6S)- (4511-42-6) |
L-Lactide CAS#4511-42-6 Safety Information
| Hazard Codes | Xi |
| Risk Statements | 36/37/38-36 |
| Safety Statements | 26-37/39 |
| WGK Germany | 3 |
| TSCA | Yes |
| HS Code | 29322090 |
L-Lactide CAS#4511-42-6 Product Application
L-Lactide is an important monomer used in the synthesis of polylactic acid (PLA), a biodegradable thermoplastic polymer with a wide range of applications in the pharmaceutical and biomedical fields. Due to its versatile material properties and ability to undergo controlled degradation under suitable conditions, PLA is utilized in the development of various drug delivery systems and pharmaceutical materials. L-Lactide can be used to produce polymer-based drug carriers or to modify existing carrier systems, helping researchers tailor material properties such as degradation behavior, drug release profiles, and biocompatibility to meet specific formulation requirements. It also provides a valuable starting material for developing new polymeric carrier platforms for pharmaceutical research and drug delivery applications.
