| HS Code | 183632 |
| Product Name | RESOMER R 203 S Bioresorbable Poly(D,L-lactide) Drug Delivery Grade |
| Chemical Name | Poly(D,L-lactide) |
| Polymer Type | Bioresorbable polyester |
| Grade | Drug Delivery Grade |
| Cas Number | 26023-30-3 |
| Molecular Formula | (C3H4O2)n |
| Appearance | White to off-white granules |
| Form | Granules |
| Inherent Viscosity | 1.5 dL/g (0.1% in chloroform at 25°C) |
| Molecular Weight | 100,000 - 150,000 g/mol (typical) |
| Polydispersity Index | 1.5 - 2.0 |
| Glass Transition Temperature | 50 - 60 °C |
| Density | 1.24 g/cm³ |
| End Group | Ester-terminated |
| Solubility | Soluble in dichloromethane, chloroform, DMSO; insoluble in water and ethanol |
| Residual Monomer | ≤ 0.5% |
| Water Content | ≤ 0.5% |
| Tin Content | ≤ 20 ppm |
| Heavy Metals | ≤ 10 ppm |
| Sulfated Ash | ≤ 0.1% |
| Acid Value | ≤ 1 mg KOH/g |
| Residual Solvents | ≤ 0.1% |
| Degradation Mechanism | Hydrolytic degradation |
| Degradation Products | Lactic acid |
| Resorption | Bioresorbable |
| Sterilization | Suitable for gamma irradiation and ethylene oxide (EtO) |
| Storage | Store at -20°C, protected from moisture |
| Shelf Life | 2 years (typical) |
| Application | Drug delivery systems, microparticles, implants |
| Biocompatibility | Biocompatible |
| Toxicity | Non-toxic |
As an accredited RESOMER R 203 S Bioresorbable Poly(D,L-lactide) Drug Delivery Grade factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | RESOMER R 203 S Bioresorbable Poly(D,L-lactide) Drug Delivery Grade is supplied in 1 kg heat-sealed aluminum foil pouches. |
| Container Loading (20′ FCL) | 20′ FCL container loading for RESOMER R 203 S Bioresorbable Poly(D,L-lactide) Drug Delivery Grade, securely palletized in drums for pharmaceutical transport. |
| Shipping | RESOMER R 203 S ships as a non-hazardous, ambient-temperature solid in sealed, moisture-barrier, light-protective packaging. Protect from moisture, heat, and light. Store at −20°C upon receipt. It is not classified as dangerous goods for transport, and no UN hazard class or packing group applies. |
| Storage | Store RESOMER R 203 S in a tightly closed, moisture-proof container at −20°C (or 2–8°C as specified by the supplier), protected from light and humidity. Keep in a cool, dry, well-ventilated area away from heat and incompatible materials. Allow to equilibrate before opening to prevent condensation; use inert gas if possible and follow the supplier’s shelf-life/SDS instructions. |
| Shelf Life | Shelf life: approximately 2 years when stored unopened at −20°C, protected from moisture, with minimal temperature cycling. |
Competitive RESOMER R 203 S Bioresorbable Poly(D,L-lactide) Drug Delivery Grade prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please contact us at +8618136850665 or mail to admin@ascent-chem.com.
We will respond to you as soon as possible.
Tel: +8618136850665
Email: admin@ascent-chem.com
Flexible payment, competitive price, premium service - Inquire now!
