rexolite 1422, CAS No. 9003-53-6

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9003-53-6

Catalog No. EBD3317999

CAS 9003-53-6

Name rexolite 1422

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Basic Information

Synonyms: rexolite1422 Poly(styrene) Polystyrene polystyrenestandard4000000 polystyrenestandard2000000 polystyrenestandard300000 polystyrenestandard1000000 polystyrenestandard700000 polystyrenestandard650000 polystyrenestandard2200000certi-fiedacc.todin polystyrenestandard500000 polystyrenestandard8000000 Polystyrene(GeneralPurposeGrade) Polystyrene,dicarboxyterminated Polystyrene,methacrylateterminatedsolution StyreneResin(HighM.Wt.) StyreneLatex StyreneResin(LowM.Wt.) StyreneResin(Med.M.Wt.) Styrene-divinylbenzenecopolymer(20%cross-linked)

Molecular Formula: (C8H8)x

Categories: Materials Chemistry > Polymers and Macromolecular Materials > Other Polymers and Macromolecular Materials

Product Description:

Polystyrene (PS) is a synthetic aromatic polymer made from the monomer styrene. It is a versatile thermoplastic that exists in various forms, including general-purpose polystyrene (GPPS), which is clear and brittle, and high-impact polystyrene (HIPS), which incorporates rubber modifiers for improved toughness. Its CAS number 9003-53-6 refers to the polymer itself. The primary applications of polystyrene are vast and span multiple industries. It is widely used in packaging, such as disposable containers, lids, and foam packaging materials (expanded polystyrene, EPS). It is also a key material for consumer goods like CD/DVD cases, appliance housings, and toys. In laboratory settings, polystyrene is commonly used to manufacture disposable Petri dishes, test tubes, and microplates due to its clarity and ease of molding. Polystyrene is valued for its low cost, ease of processing (e.g., injection molding, extrusion), good dimensional stability, and excellent electrical insulation properties. However, its brittleness and poor chemical resistance to many organic solvents are notable limitations. Environmental concerns regarding its persistence and recycling challenges are significant factors in its lifecycle management.

Physical Properties

Melting Point: 212 °C

Flash Point: >230 °F

Density: 1.06 g/mL at 25 °C

Solubility: insoluble in water

Refractivity: n20/D 1.5916

Storage: 2-8°C

Analytical Data

Appearance: white powder or beads, or clear solid