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182141

Sigma-Aldrich

Polyisopren, cis

97% cis-1,4

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About This Item

Lineare Formel:
[CH2CH=C(CH3)CH2]n
CAS-Nummer:
104389-31-3
MDL-Nummer:
MFCD00084438
UNSPSC-Code:
12162002
PubChem Substanz-ID:
24850981
NACRES:
NA.23

Form

slab/chunk

Brechungsindex

n20/D 1.5191

Übergangstemp.

Tg −67 °C
Tm 36 °C

Dichte

0.91 g/mL at 25 °C

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Anwendung

Non-fugitive, reactive plasticizer, rheology modifier for lubricants, reactive binder.

Lagerklassenschlüssel

10 - Combustible liquids

WGK

WGK 3

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable

Persönliche Schutzausrüstung

Eyeshields, Gloves

Hier finden Sie alle aktuellen Versionen:

Analysenzertifikate (COA)

Lot/Batch Number
MKCR6967
MKCQ9250
MKCR3554
MKCQ4108
MKCN3669

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Stefania Pegorin Braga et al.
Brazilian journal of microbiology : [publication of the Brazilian Society for Microbiology], 50(4), 1051-1062 (2019-08-24)
The use of rubber has increased over the years, leading to a series of environmental problems due to its indefinite decomposition time. Bioremediation employing microorganisms have drawn an increasing interest and originated several studies of microbial rubber degradation. Genome sequencing

Fragen

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

    1 Antwort

    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 Antwort

    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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