Resomer® R 203 S, Poly(D,L-lactide)
ALDRICH/719935 - ester terminated, Mw 18,000-28,000
Synonym: Lactide polymer; PDLLA
CAS Number: 202832-99-3
MDL Number: MFCD00217751
Linear Formula: [C3H4O2]x[C2H2O2]y
Product Type: Chemical
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 719935-5G
| degradation timeframe | <6 months |
| form | amorphous |
| InChI | 1S/C6H8O4.C4H4O4/c1-3-5(7 |
| InChI key | LCSKNASZPVZHEG-UHFFFAOYSA |
| mol wt | Mw 18,000-28,000 |
| Quality Level | 200  |
| SMILES string | [H]OC(C(OC(C(O[R])=O)C)=O |
| storage temp. | 2-8°C |
| transition temp | Tg 46-50 °C |
| viscosity | 0.25-0.35 dL/g, 0.1 % (w/v) in chloroform(25 °C, Ubbelohde) (size 0c glass capillary viscometer) |
| Application: | This biodegradable polyester is useful for the controlled release of drugs both in vitro and in vivo. |
| General description: | Ester terminated Poly(D,L-lactide) (PDLLA, RESOMER® ) is a copolymer of L and D-lactic acid and (or L and D lactide). The structure is highly irregular and amorphous. RESOMER® polymers are bioresorbable aliphatic polyesters comprised of a range of different ratios of lactide and glycolide monomers, PLA stereochemistries, and end-group functionalization. |
| Legal Information: | Product of Evonik |
| Legal Information: | RESOMER is a registered trademark of Evonik Rohm GmbH |
| Packaging: | 5 g in glass bottle |
| RIDADR | NONH for all modes of transport |
| WGK Germany | nwg |
| Flash Point(F) | 235.4 °F - closed cup |
| Flash Point(C) | 113 °C - closed cup |
| Storage Temp. | 2-8°C |
| UNSPSC | 12162002 |