CAS 4511-42-6

L-Lactide

Description:

L-Lactide, with the CAS number 4511-42-6, is a cyclic diester derived from lactic acid, specifically the L-isomer. It is a colorless, crystalline solid that is soluble in organic solvents but has limited solubility in water. L-Lactide is a key monomer in the production of polylactic acid (PLA), a biodegradable polymer widely used in packaging, biomedical applications, and 3D printing. The substance exhibits a melting point that allows it to be processed easily in various applications. L-Lactide is known for its biocompatibility and biodegradability, making it an environmentally friendly alternative to petroleum-based plastics. Its polymerization can be initiated through various methods, including ring-opening polymerization, leading to the formation of high molecular weight PLA. Additionally, L-Lactide can undergo stereochemical transformations, influencing the properties of the resulting polymer, such as crystallinity and thermal behavior. Overall, L-Lactide plays a significant role in sustainable materials science and is a focus of research in green chemistry.

Formula: C₆H₈O₄

InChI: InChI=1S/C6H8O4/c1-3-5(7)10-4(2)6(8)9-3/h3-4H,1-2H3/t3-,4-/m0/s1

InChI key: InChIKey=JJTUDXZGHPGLLC-IMJSIDKUSA-N

SMILES: C[C@H]1C(=O)O[C@@H](C)C(=O)O1

Synonyms:

• (-)-<span class="text-smallcaps">L</span>-Dilactide
• (3R,6S)-3,6-dimethyl-1,4-dioxane-2,5-dione
• (3S)-cis-3,6-Dimethyl-1,4-dioxane-2,5-dione
• (3S,6S)-3,6-Dimethyl-1,4-dioxane-2,5-dione
• (S,S)-3,6-Dimethyl-1,4-dioxane-2,5-dione
• 1,4-Dioxane-2,5-dione, 3,6-dimethyl-, (3S,5S)-
• 1,4-Dioxane-2,5-dione, 3,6-dimethyl-, (3S,6S)-
• 1,4-Dioxane-2,5-dione, 3,6-dimethyl-, (3S-cis)-
• 3,6-Dimethyl-1,4-Dioxane-2,5-Dione
• <span class="text-smallcaps">L</smallcap>,<smallcap>L</span>-Dilactide
• <span class="text-smallcaps">L</smallcap><smallcap>L</span>-Lactide
• <span class="text-smallcaps">L</span>-(-)-Lactide
• Esun LA 99
• L-Lactide
• Lactide
• Lumilact L
• PuraLact L
• Purac TL
• Puralact B 3
• Purasorb L
• Scolat AL
• p-Dioxane-2,5-dione, 3,6-dimethyl-, <span class="text-smallcaps">L</span>-

L-(-)-Lactide

Controlled Product

CAS: 4511-42-6

Formula: C₆H₈O₄

Purity: >98.0%(T)

Color and Shape: White to Almost white powder to crystal

Molecular weight: 144.13

Ref: 3B-L0115

L-Lactide, 98+%

Controlled Product

CAS: 4511-42-6

L-Lactide upon polymerization gives poly(lactic acid), which finds many useful properties like biodegradable and nontoxic to the human body and the environment. Its polymer, poly-l-lactide is utilized in the repairing of orbital posterior floor fracture. Further, it is used as biomedical materials

Formula: C₆H₈O₄

Purity: 98+%

Color and Shape: Crystalline powder, White

Molecular weight: 144.13

Ref: 02-L09031

L-(-)-Lactide

Controlled Product

CAS: 4511-42-6

L-(-)-Lactide

Formula: C₆H₈O₄

Purity: >98%

Color and Shape: Solid

Molecular weight: 144.12532

Ref: 54-OR933335

L-Lactide

Controlled Product

CAS: 4511-42-6

Formula: C₆H₈O₄

Molecular weight: 144.13

Ref: 4Z-L-159001

(3S,6S)-3,6-Dimethyl-1,4-dioxane-2,5-dione

Controlled Product

CAS: 4511-42-6

Formula: C₆H₈O₄

Purity: 95%

Color and Shape: Solid

Molecular weight: 144.126

Ref: 10-F339937

L-Lactide

Controlled Product

CAS: 4511-42-6

Formula: C₆H₈O₄

Purity: 97%

Color and Shape: Solid

Molecular weight: 144.1253

Ref: IN-DA00353T

L-(-)-Lactide

Controlled Product

CAS: 4511-42-6

Applications L-(-)-Lactide is a cyclic lactic acid derivative used in the ring-opening polymerization of Poly-L-lactic acid (PLLA), which is commonly found in biodegradable plastics. Polymers derived from L-(-)-Lactide also provide a therapeutic use in the field of prosthetics as they do not have any adverse effects on proliferation and differentiation of bone cells.
References Nakamura, T. et al.: J. Biomed. Mat. Res., 23, 1115 (1999); Otto, T.E. et al.: J. Biomed. Mat. Res., 32, 513 (1996); Kale, G. et al.: Pach. Technol. Sci., 20, 49 (2007);

Formula: C₆H₈O₄

Color and Shape: Neat

Molecular weight: 144.13

Ref: TR-L113600

L-Lactide

Controlled Product

CAS: 4511-42-6

Formula: C₆H₈O₄

Purity: (GC) ≥ 99.0%

Color and Shape: White crystals or crystalline powder

Molecular weight: 144.13

Ref: 7W-GK1495

L-(-)-Lactide

Controlled Product

CAS: 4511-42-6

L-(-)-lactide is a compound that consists of an intramolecular hydrogen bond between the hydroxyl group and the carbonyl group. It is used in the synthesis of poly(d,l-lactide) (PDLLA), which serves as a growth factor for cells in culture. The hydroxy groups on PDLLA can be polymerized using cationic polymerization to form poly(d, l-lactide) (PDLL). This polymer has been shown to have potential use as both a scaffold material for tissue engineering and a drug delivery system. FTIR spectroscopy has shown that L-(-)-Lactide has two distinct absorption peaks at 1350 cm-1 and 1410 cm-1. Both peaks are attributed to stretching vibrations of the carbonyl groups. These two peaks are also indicative of its intramolecular hydrogen bond with the hydroxyl group, where the peak at 1350 cm-

Formula: C₆H₈O₄

Purity: Min. 98%

Color and Shape: White Powder

Molecular weight: 144.13 g/mol

Ref: 3D-FL24827

L-(-)-Lactide

Controlled Product

CAS: 4511-42-6

Formula: C₆H₈O₄

Molecular weight: 144.12

Ref: BE-BePure-25312

(3S,6S)-3,6-Dimethyl-1,4-dioxane-2,5-dione

Controlled Product

CAS: 4511-42-6

(3S,6S)-3,6-Dimethyl-1,4-dioxane-2,5-dione

Formula: C₆H₈O₄

Purity: 97%

Molecular weight: 144.13

Ref: IN-DG136525