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441147

Sigma-Aldrich

Polystyrene

average Mw ~350,000, average Mn ~170,000

Sinónimos:

PS

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1 KG
US$ 91,30

US$ 91,30

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1 KG
US$ 91,30

About This Item

Fórmula lineal:
[CH2CH(C6H5)]n
Número de CAS:
9003-53-6
Número MDL:
MFCD00084450
Código UNSPSC:
12162002
ID de la sustancia en PubChem:
24867334
NACRES:
NA.23

US$ 91,30

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Formulario

pellets

índice de fusión

2.0-4.0 g/10 min (200°C/5kg)

mol peso

average Mn ~170,000
average Mw ~350,000

fuerza del impacto

21 J/m (Izod, ASTM D 256, 23 °C, notched)

impurezas

≤5% mineral oil

temperatura de transición

Tg 95 °C

densidad

1.04 g/mL at 25 °C

Elongación

ASTM D 638 - 1.5% (at break)

cadena SMILES

c1(ccccc1)C=C

InChI

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

Clave InChI

PPBRXRYQALVLMV-UHFFFAOYSA-N

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Categorías relacionadas

Aplicación

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

Características y beneficios

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

Código de clase de almacenamiento

11 - Combustible Solids

Clase de riesgo para el agua (WGK)

WGK 3

Equipo de protección personal

dust mask type N95 (US), Eyeshields, Gloves

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Certificados de análisis (COA)

Lot/Batch Number
MKCW8307
MKCW9501
MKCT7609
MKCT7608
MKCP7904

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Morphological properties of atmospheric particles are directly related to their residence time and transport behaviors, and their deposition patterns in human respiratory systems. The projected properties of particles measured by transmission electron microscopy (TEM) were combined with the particle height
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The weak molecular attractions of nanoparticles are important because they drive self-assembly mechanisms, allow processing in dispersions e.g. of pigments, catalysts or device structures, influence disease through the attraction of viruses to cells and also cause potential toxic effects through
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The differently sulfonated styrene-divinylbenzene cross-linked copolymer cationic exchange resins were prepared by oil-in-water polymerization and varied degrees of sulfonation. Several characteristics of the obtained resins were evaluated, i.e., Fourier transform infrared spectra, the ion-exchange capacity, microscopic morphology, size, and swelling.
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Questions

1–4 of 4 Questions  

  1. 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

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  2. 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

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  3. What dimension has one pellet? I am looking for a particle between 1 - 5 mm in length and width? May do you know the density?

    1 answer

    1. Unfortunately, the particle size is not a test specification for this product.

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  4. What is the refractive index of product_441147 ?

    1 answer

    1. Unfortunately, the refractive index of this product is not determined.

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