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329541

Sigma-Aldrich

Dicumyl peroxide

98%

Sinonimo/i:

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

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100 G
CHF 127.00
500 G
CHF 223.00

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100 G
CHF 127.00
500 G
CHF 223.00

About This Item

Formula condensata:
[C6H5C(CH3)2]2O2
Numero CAS:
80-43-3
Peso molecolare:
270.37
Beilstein:
2056090
Numero CE:
201-279-3
Numero MDL:
MFCD00036227
Codice UNSPSC:
12162002
ID PubChem:
24859798
NACRES:
NA.23

CHF 127.00

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Densità del vapore

9.3 (vs air)

Livello qualitativo

200

Tensione di vapore

15.4 mmHg ( 38 °C)

Saggio

98%

Stato

solid

Impiego in reazioni chimiche

reagent type: oxidant

Punto di fusione

39-41 °C (lit.)

Densità

1.56 g/mL at 25 °C (lit.)

Temperatura di conservazione

2-8°C

Stringa SMILE

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
XMNIXWIUMCBBBL-UHFFFAOYSA-N

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Applicazioni

Dicumyl peroxide (DCP) is used:
  • in vulcanization of rubber
  • as a crosslinking agent in the synthesis of polylactic acid composite fibers[1]
  • in the preparation of polyethylene composites[2]
  • in the synthesis of polyamide 112/ethylene vinyl acetate copolymer blends.[3]

Avvertenze

Danger

Indicazioni di pericolo

H242,H315,H319,H360D,H411

Classi di pericolo

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

Codice della classe di stoccaggio

5.2 - Organic peroxides and self-reacting hazardous materials

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

230.0 °F - closed cup

Punto d’infiammabilità (°C)

110 °C - closed cup

Dispositivi di protezione individuale

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

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Certificati d'analisi (COA)

Lot/Batch Number
0000442786
0000442785
0000442786
0000442785
0000433408

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Lu Lu et al.
Scientific reports, 8(1), 14233-14233 (2018-09-27)
Polymers with reversible elongation upon cooling (EUC) and contraction upon heating (CUH) enabled applications in actuators, fasteners, dampers, grippers, swimmers, sealants, etc. With the current working temperature being limited to mainly above zero Celsius, applications for subzero Celsius environments are
Milan Parchovianský et al.
Materials (Basel, Switzerland), 13(3) (2020-02-07)
In this work, the influence of different cleaning procedures on adhesion of composite coatings containing passive ceramic and commercial glasses was investigated. Two compositions (C2c, D2-PP) of double-layer polymer-derived ceramic (PDC) coating systems, composed from bond coat and a top
Chao Wu et al.
Polymers, 11(4) (2019-04-24)
Silicone rubber composites filled with nano-silica are currently widely used as high voltage insulating materials in power transmission and substation systems. We present a systematic study on the dielectric and mechanical performance of silicone rubber filled with surface modified and
Effect of dynamic cross-linking on phase morphology and dynamic mechanical properties of polyamide 12/ethylene vinyl acetate copolymer blends
Bondan F, et al.
Polym. Bull. null
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
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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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