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Merck

329541

Sigma-Aldrich

Dicumylperoxid

98%

Synonym(e):

Bis-(1-methyl-1-phenylethyl)-peroxid, Bis-(α,α-dimethylbenzyl)-peroxid

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€ 89,60
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100 G
€ 89,60
500 G
€ 310,00

About This Item

Lineare Formel:
[C6H5C(CH3)2]2O2
CAS-Nummer:
Molekulargewicht:
270.37
Beilstein:
2056090
EG-Nummer:
MDL-Nummer:
UNSPSC-Code:
12162002
PubChem Substanz-ID:
NACRES:
NA.23

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Dampfdichte

9.3 (vs air)

Qualitätsniveau

Dampfdruck

15.4 mmHg ( 38 °C)

Assay

98%

Form

solid

Eignung der Reaktion

reagent type: oxidant

mp (Schmelzpunkt)

39-41 °C (lit.)

Dichte

1.56 g/mL at 25 °C (lit.)

Lagertemp.

2-8°C

SMILES String

CC(C)(OOC(C)(C)c1ccccc1)c2ccccc2

InChI

1S/C18H22O2/c1-17(2,15-11-7-5-8-12-15)19-20-18(3,4)16-13-9-6-10-14-16/h5-14H,1-4H3

InChIKey

XMNIXWIUMCBBBL-UHFFFAOYSA-N

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Anwendung

Dicumylperoxid (DCP) wird wie folgt verwendet:
  • bei der Vulkanisation von Gummi
  • als Vernetzungsmittel bei der Synthese von Polymilchsäure-Verbundfasern[1]
  • bei der Herstellung von Polyethylen-Verbundwerkstoffen[2]
  • bei der Synthese von Polyamid-112-/Ethylen-Vinylacetat-Copolymer-Mischungen[3]

Signalwort

Danger

Gefahreneinstufungen

Aquatic Chronic 2 - Eye Irrit. 2 - Org. Perox. F - Repr. 1B - Skin Irrit. 2

Lagerklassenschlüssel

5.2 - Organic peroxides and self-reacting hazardous materials

WGK

WGK 3

Flammpunkt (°F)

230.0 °F - closed cup

Flammpunkt (°C)

110 °C - closed cup

Persönliche Schutzausrüstung

dust mask type N95 (US), Eyeshields, Gloves, type P3 (EN 143) respirator cartridges


Zulassungslistungen

Zulassungslistungen werden hauptsächlich für chemische Produkte erstellt. Für nicht-chemische Produkte können hier nur begrenzte Angaben gemacht werden. Kein Eintrag bedeutet, dass keine der Komponenten gelistet ist. Es liegt in der Verantwortung des Benutzers, die sichere und legale Verwendung des Produkts zu gewährleisten.

EU REACH SVHC Candidate List

CAS No.

EU REACH Annex XVII (Restriction List)

CAS No.

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Analysenzertifikate (COA)

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Die Dokumentenbibliothek aufrufen

Dominik Dörr et al.
Polymers, 12(5) (2020-05-18)
For the preparation of polylactide (PLA)-based foams, it is commonly necessary to increase the melt strength of the polymer. Additives such as chain extenders (CE) or peroxides are often used to build up the molecular weight by branching or even
The effect of maleic anhydride grafting efficiency on the flexural properties of polyethylene composites
Gunning MA, et al.
Journal of Applied Polymer Science, 124(6), 4799-4808 (2012)
Nappaphan Kunanusont et al.
Polymers, 12(8) (2020-08-08)
Thermoplastic vulcanizate (TPV) has excellent elastomeric properties and can be reprocessed multiple times. TPV is typically produced by using the dynamic vulcanization (DV) method in which rubber is crosslinked simultaneously with thermoplastics. Peroxide-crosslinked TPV can increase the compatibility between rubber
Janghyeon Lee et al.
Sensors (Basel, Switzerland), 19(17) (2019-08-29)
Gas chromatography (GC) is the chemical analysis technique most widely used to separate and identify gas components, and it has been extensively applied in various gas analysis fields such as non-invasive medical diagnoses, indoor air quality monitoring, and outdoor environmental
Davi Marcelo Soares et al.
Nanotechnology, 31(14), 145403-145403 (2019-12-21)
The development of feasible, scalable, and environmentally-safe electrode materials that provide stable cycling performance are critical for success of beyond lithium rechargeable batteries and supercapacitors. With respect to the sodium-ion battery (SIB) anodes constituting of transition metal dichalcogenides such as

Questions

1–2 of 2 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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