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444278

Sigma-Aldrich

Decamethylcyclopentasiloxane

97%

Synonyme(s) :

2,2,4,4,6,6,8,8,10,10-Decamethylcyclopentasiloxane, Cyclic dimethylsiloxane pentamer, Cyclo-decamethylpentasiloxane, Cyclomethicone pentamer 245, Decamethylpentacyclosiloxane

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About This Item

Formule empirique (notation de Hill) :
C10H30O5Si5
Numéro CAS:
541-02-6
Poids moléculaire :
370.77
Beilstein:
1800166
Numéro CE :
208-764-9
Numéro MDL:
MFCD00046966
Code UNSPSC :
12352103
ID de substance PubChem :
24868110
Nomenclature NACRES :
NA.22

49,50 $

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Essai

97%

Forme

liquid

Indice de réfraction

n20/D 1.396 (lit.)

pb

90 °C/10 mmHg (lit.)

Densité

0.958 g/mL at 25 °C (lit.)

Chaîne SMILES 

C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O1

InChI

1S/C10H30O5Si5/c1-16(2)11-17(3,4)13-19(7,8)15-20(9,10)14-18(5,6)12-16/h1-10H3

Clé InChI

XMSXQFUHVRWGNA-UHFFFAOYSA-N

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Catégories apparentées

Description générale

Decamethylcyclopentasiloxane (D5) is used in personal care products including skin creams, cosmetics, shampoos, deodorants and conditioners. D5 is also used in various applications such as industrial cleaning fluids and dry cleaning solvents.[1]

Application

Decamethylcyclopentasiloxane (D5) can be used as:
  • A greener solvent in synthetic chemistry applications.[2]
  • A monomeric unit for polymerization by various base catalysts to obtain polysiloxane polymer.[3][4]

Code de la classe de stockage

10 - Combustible liquids

Classe de danger pour l'eau (WGK)

WGK 2

Point d'éclair (°F)

163.4 °F - closed cup

Point d'éclair (°C)

73 °C - closed cup

Équipement de protection individuelle

Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)

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Certificats d'analyse (COA)

Lot/Batch Number
0000308959
0000308959
MKCT7009
0000246889
MKCN6651

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Consulter la Bibliothèque de documents

Ring-opening polymerization of decamethylcyclopentasiloxane initiated by a superbase: Kinetics and rheology.
Pibre G, et al.
Polymer, 49(1), 234-240 (2008)
Characterization of ecological risks from environmental releases of decamethylcyclopentasiloxane (D5).
Fairbrother A, et al.
Environmental Toxicology and Chemistry / Setac, 34(12), 2715-2722 (2015)
Qiyan Li et al.
Cell biochemistry and function, 32(2), 183-187 (2013-09-03)
Corneal epithelial barrier dysfunction is harmful to corneal health; the pathogenesis is unclear. This study aims to elucidate the mechanism by which tryptase compromises corneal epithelial barrier function. Human corneal epithelial cell line (HCE cells) was cultured into monolayers using
Carla Onnekink et al.
Scientific reports, 10(1), 9558-9558 (2020-06-14)
Women with silicone gel-filled breast implants are exposed to organosilicon compounds, in particular methylsiloxanes, as a result of 'gel bleed' and implant rupture. Although these silicones were originally considered to be inert, increasing evidence indicates that they can cause serious
Björn F Vahsen et al.
Nature communications, 14(1), 5898-5898 (2023-09-22)
Amyotrophic lateral sclerosis (ALS) is a neurodegenerative disease characterized by progressive motor neuron loss, with additional pathophysiological involvement of non-neuronal cells such as microglia. The commonest ALS-associated genetic variant is a hexanucleotide repeat expansion (HRE) mutation in C9orf72. Here, we
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  1. How is shipping temperature determined? And how is it related to the product storage temperature?

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    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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