วัสดุเกรดยา Poly L-lactide-co-glycolide

Description

Poly(lactic-co-glycolic acid) is a copolymer which is used in therapeutic devices, owing to its biodegradability and biocompatibility. PLGA are currently widely used in many fields, such as microspheres, gel for drug delivery etc.

Physical-chemical properties

Chemical name

Poly(L-lactide-co-glycolide)

CAS Registry number

30846-39-0

Chemical structure1

Molecular formula1

Chemical structure2

Molecular formula2

Specification

Test

Method

Specification

Appearance

Visual

White, pale yellow powder or floccule

Inherent viscosity

Ubbelohde viscometer

0.30-2.25 dl/g

Residual monomer

Gas chromatography

<0.5%

Stannum (Catalyst)

Atomic fluorescence spectrometry

<150 ppm

For each batch a certificate of analysis is provided, showing the analytical data determined in our quality

control laboratory.  Additional analytical data can be made upon request.

Packaging

100g/500g/1Kg per aluminum foil bag

Recommend storage

Stored in a cool and dry place without sunlight, a refrigerator is recommended.

Temperatures (2-8°C)

Notice: PLGA with intrinsic viscosity below 0.3 is powdered and will be melt at 18-22 °C.

Shelf life

When stored in the original packaging at low temperatures (2-8°C), PLLA keeps its initial properties for at least two years.

Product catalogue

Model

L-LA/GA

Ratio

IV Range
dl/g

PLG90

90/10

0.2-2.5

PLG85

85/15

0.2-2.5

PLG80

80/20

0.2-2.5

PLG75

75/25

0.2-2.5