L-Lactide

L-Lactide

CAS No.: 4511-42-6
Molecular Formula: C6H8O4
Molecular Weight: 144.13
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product description
L-lactide (3,6-dimethyl-1,4-dioxane-2,5-dione) is a cyclic lactone that is derived from lactic acid. It has the molecular formula C3H6O2 and is an essential building block for synthesizing polylactic acid (PLA) plastics, which are widely used in the manufacturing industry.


Chemical Properties

PropertyValue

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)


Safety Information

PropertyValue

Hazard Codes

Xi

Risk Statements

36/37/38-36

Safety Statements

26-37/39

WGK Germany

3

TSCA

Yes

HS Code

29322090


Product Usage

L-Lactide is a high-purity cyclic ester and the primary precursor for the synthesis of Poly(L-lactic acid) (PLLA), a leading biodegradable and biocompatible polymer. Its most significant application is in the medical field, where it is used to manufacture absorbable surgical sutures, orthopedic fixation devices like bone screws, and scaffolds for tissue engineering. In the sustainable packaging industry, it serves as the essential monomer for producing compostable bioplastics, including films, food containers, and fiber materials. Furthermore, L-lactide is utilized in controlled drug delivery systems, acting as a polymer matrix that safely degrades within the human body. Its role is pivotal in the transition toward green chemistry and high-performance bio-based materials.

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Delivery Time

Inventory 2-3 working days New manufacturing 7-10 working days

Mode of Transportation
1. By Air, fast but expensive.
2. By Sea, usual and economy.
3. By Train, suit for middle Asia countries.
4. By Express, suit for small package.
We only provide highest quality goods available, accompanied by after support!

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FAQ

Q1: What international standards do your products and services comply with?

A1: Our products fully comply with international standards such as REACH, MSDS, and COA, and we strictly implement the ISO9001 quality management system. We can also provide third-party testing reports (SGS, BV, etc.) according to customer needs.


Q2: How long does it take for goods to be delivered to my country?
A2: The delivery time depends on the transport mode and destination country. Generally, sea transport takes 15-30 days, air transport takes 3-7 days, and we will optimize the transport route to shorten the delivery time as much as possible.


Can you provide customs clearance services for dangerous chemicals?
A3: Yes. Our team is proficient in the customs clearance procedures for dangerous chemicals in various countries, and can provide professional compliant declaration and customs clearance services to ensure smooth customs clearance.


Q4: Do you provide customized product and service solutions?
A4: Yes. We can provide personalized product customization and export service solutions according to your specific needs (product specifications, application scenarios, procurement volume, etc.).

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