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430072

Sigma-Aldrich

Poly(styrene-co-butadiene)

butadiene 4 wt. %, melt index 6 g/10 min (200°C/5kg)

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About This Item

Linear Formula:
[CH2CH(C6H5)]x(CH2CH=CHCH2)y
CAS Number:
9003-55-8
MDL number:
MFCD00134010
UNSPSC Code:
12162002
PubChem Substance ID:
24866909
NACRES:
NA.23

form

pellets

melt index

6 g/10 min (200°C/5kg)

composition

butadiene, 4 wt. %

hardness

105 (Rockwell R, ASTM D 785)

transition temp

softening point 103 °C (Vicat, ASTM D 1525)

density

1.04 g/mL at 25 °C

SMILES string

C=CC=C.C=Cc1ccccc1

InChI

1S/C8H8.C4H6/c1-2-8-6-4-3-5-7-8;1-3-4-2/h2-7H,1H2;3-4H,1-2H2

InChI key

MTAZNLWOLGHBHU-UHFFFAOYSA-N

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Application

Molded or extruded into toys, packaging, appliances, communication cassettes, dinnerware and serviceware.

Features and Benefits

Better impact resistance than polystyrene. Amenable to various processing methods. Susceptible to environmental (UV) degradation.

Physical form

High-impact amorphous thermoplastic.

Storage Class

11 - Combustible Solids

wgk_germany

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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