Chemical Product Library / Reference
Polyhydroxybutyrate
Chemical identity, technical indicators, performance and application reference. Confirm specifications and regulatory suitability against supplier documentation.
Chemical identity
| English name | Polyhydroxybutyrate |
|---|---|
| English synonyms | PHB;Polyhydroxybutyrate;Poly(3-hydroxybutyrate) |
| Chinese name | 聚羟基丁酸酯 |
| Chinese synonyms | PHB;聚羟基丁酸酯;聚(3-羟基丁酸酯) |
| Chemical category | Bioplastics |
| CAS No. | 26063-00-3 |
| EINECS No. | Not provided |
| Molecular formula | (C4H6O2)n |
| Molecular weight | Not provided |
PubChem structure images are reference depictions, not proof of composition, purity, grade, or regulatory status. Mixtures and polymers may not have a single representative structure.
Technical indicators
Melting point 170–180°C; density 1.25 g/cm³; molecular weight according to grade; moisture ≤0.5%
Performance characteristics
Biopolyester produced by microbial fermentation, fully biodegradable, good barrier properties
Application scenarios
Biodegradable packaging, medical implants, disposable items, agricultural film