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430102

Sigma-Aldrich

Polystyrene

average Mw ~192,000

Synonym(e):

PS

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CHF 122.00
3 KG
CHF 152.00

CHF 122.00

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1 KG
CHF 122.00
3 KG
CHF 152.00

About This Item

Lineare Formel:
[CH2CH(C6H5)]n
CAS-Nummer:
9003-53-6
MDL-Nummer:
MFCD00084450
UNSPSC-Code:
12162002
PubChem Substanz-ID:
24866910
NACRES:
NA.23

CHF 122.00

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Form

beads or pellets

Qualitätsniveau

100

Schmelzindex

6.0-9.0 g/10 min (200°C/5kg)

Mol-Gew.

average Mw ~192,000

Brechungsindex

n20/D 1.59

Übergangstemp.

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

InChIKey

PPBRXRYQALVLMV-UHFFFAOYSA-N

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Verwandte Kategorien

Allgemeine Beschreibung

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

Anwendung

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

Physikalische Form

Thermoplastic amorphous polymer.

Lagerklassenschlüssel

11 - Combustible Solids

WGK

WGK 3

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable

Persönliche Schutzausrüstung

Eyeshields, Gloves, type N95 (US)

Hier finden Sie alle aktuellen Versionen:

Analysenzertifikate (COA)

Lot/Batch Number
MKCX6421
0000353656
MKCW1514
0000353656
MKCS4144

Die passende Version wird nicht angezeigt?

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MALDI-Validierungs-Set Polystyrol Mp ~700 - 70 000 certified reference material

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03565

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Polystyrol

Poly(methylmethacrylat)

Sigma-Aldrich

182230

Poly(methylmethacrylat)

Matthew G Petroff et al.
Langmuir : the ACS journal of surfaces and colloids, 35(14), 4976-4985 (2019-03-21)
We report direct measurements of ionic strength-dependent interactions between different molecular weights of zwitterionic triblock copolymers adsorbed to hydrophobic colloids and surfaces. The zwitterionic copolymers investigated include phosphorylcholine [poly(2-methacryloyloxyethyl phosphorylcholine) (PMPC)] and sulfopropylbetaine [poly(3-( N-2-methacryloyloxyethyl- N, N-dimethyl)ammonatopropanesulfonate) (PMAPS)] end blocks
Marta Kocun et al.
ACS nano, 11(10), 10097-10105 (2017-09-28)
Tapping mode atomic force microscopy (AFM), also known as amplitude modulated (AM) or AC mode, is a proven, reliable, and gentle imaging mode with widespread applications. Over the several decades that tapping mode has been in use, quantification of tip-sample
Eunkyung Lee et al.
Bioresource technology, 101(5), 1487-1493 (2009-09-09)
In this study, membrane biofouling caused by bacteria that have different characteristics was evaluated using flow field-flow fractionation (FlFFF). Three different bacteria which differed from size and shape (Staphylococcus epidermidis, Escherichia coli, Flavobacterium lutescens) were investigated with GM ultrafiltration (UF
Di Wei et al.
ACS nano, 2(12), 2526-2530 (2009-02-12)
We have fabricated single-walled carbon nanotube (SWNT) field effect transistors (FETs) with molybdenum source and drain contacts. Normally, these devices operate only as p-channel transistors, however, after polystyrene latex nanospheres were attached to the nanotubes close to the contacts, they
J K R Weber et al.
The Review of scientific instruments, 80(8), 083904-083904 (2009-09-04)
A single-axis acoustic levitator was constructed and used to levitate liquid and solid drops of 1-3 mm in diameter at temperatures in the range -40 to +40 degrees C. The levitator comprised (i) two acoustic transducers mounted on a rigid
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Questions

1–3 of 3 Questions  

  1. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

      Helpful?

  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

      Helpful?

  3. please tell me the approximate size of this polystyrene.

    1 answer

    1. This material may be in granular or pellet form. Unfortunately, the particle size has not been determined.

      Helpful?

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