BASF Neopor Graphite Expandable Polystyrene (Graphite EPS) CAS#9003-53-6
High Purity and Consistent Quality: Polystyrene industrial products feature a purity level of ≥99%, providing reliable quality and stable performance for various applications.
Excellent Chemical Stability: Polystyrene offers good stability under normal conditions and maintains performance when properly used with compatible materials.
Good Solubility Characteristics for Processing: It is insoluble in water but soluble in organic solvents such as benzene, toluene, and chloroform, providing flexibility in industrial processing and formulation.
Stable Physical Properties: With a colorless transparent appearance, odorless characteristics, and a melting point of 240°C, polystyrene demonstrates favorable physical properties for industrial applications.
Product Description of Polystyrene CAS#9003-53-6
Industrial-grade Polystyrene has a purity of ≥99% and appears as a colorless, transparent solid or granules with no odor. It has a melting point of 240°C and decomposes upon boiling. The vapor pressure is negligible at 25°C, with a relative density of 1.05 (20°C).
Polystyrene is insoluble in water but readily soluble in organic solvents such as benzene, toluene, and chloroform. It exhibits good stability under normal conditions and is incompatible with strong oxidizing agents and certain organic solvents.
Parameters
| Melting point | 212 °C |
| Boiling point | 30-80 °C |
| Tg | 100 |
| Tg | 35 |
| density | 1.06 g/mL at 25 °C |
| refractive index | n20/D 1.5916 |
| Fp | >230 °F |
| storage temp. | 2-8°C |
| solubility | Chloroform (Slightly, Sonicated) |
| form | powder |
| color | White |
| Water Solubility | insoluble |
| Dielectric constant | 24.0(Ambient) |
| Stability: | Stable. Combustible. Incompatible with strong oxidizing agents. |
| Cosmetics Ingredients Functions | FILM FORMING |
| InChIKey | ZJMWRROPUADPEA-UHFFFAOYSA-N |
| Surface tension | 40.7mN/m at 20°C |
| CAS DataBase Reference | 9003-53-6 |
| IARC | 3 (Vol. 19, Sup 7) 1987 |
| NIST Chemistry Reference | Polystyrene(9003-53-6) |
| EPA Substance Registry System | Polystyrene (9003-53-6) |
| Hazard Codes | Xi |
| Risk Statements | 41 |
| Safety Statements | 26-36/37/39-24/25 |
| RIDADR | 2211 |
| WGK Germany | 3 |
| RTECS | WL6475000 |
| TSCA | Yes |
| HazardClass | 9 |
| PackingGroup | III |
| HS Code | 39039000 |
Product Application of Polystyrene CAS#9003-53-6
Extruded impact polystyrene sheets are widely used to manufacture containers, tubs, and trays for packaging a wide range of food products. Biaxially oriented polystyrene films can be thermoformed into various packaging products, including blister packs, meat trays, container lids, and packaging for cookies, candies, pastries, and other food items where high transparency and clarity are required.



