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430102

Sigma-Aldrich

Polystyrene

average Mw ~192,000

Synonym(s):

PS

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About This Item

Linear Formula:
[CH2CH(C6H5)]n
CAS Number:
9003-53-6
MDL number:
MFCD00084450
UNSPSC Code:
12162002
PubChem Substance ID:
24866910
NACRES:
NA.23

form

beads or pellets

Quality Level

100

melt index

6.0-9.0 g/10 min (200°C/5kg)

mol wt

average Mw ~192,000

refractive index

n20/D 1.59

transition temp

softening point 107 °C (Vicat, ASTM D 1525)

SMILES string

c1(ccccc1)C=C

InChI

1S/C8H8/c1-2-8-6-4-3-5-7-8/h2-7H,1H2

InChI key

PPBRXRYQALVLMV-UHFFFAOYSA-N

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General description

Hard, clear moderately strong polymer, biologically inert, good dimensional stability. Susceptible to exterior (UV) degradation.

Application

Extrusion molded foamed packaging, dinnerware, bottles and toys. Injection molded packaging containers, toys and disposable cutlery.

Physical form

Thermoplastic amorphous polymer.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
MKCQ0986
MKCN1906
MKCL9021
MKCJ7591
MKCJ7590

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