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444278

Sigma-Aldrich

Decamethylcyclopentasiloxane

97%

Sinônimo(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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R$ 326,00
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R$ 941,00

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50 ML
R$ 326,00
250 ML
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About This Item

Fórmula empírica (Notação de Hill):
C10H30O5Si5
Número CAS:
541-02-6
Peso molecular:
370.77
Beilstein:
1800166
Número CE:
208-764-9
Número MDL:
MFCD00046966
Código UNSPSC:
12352103
ID de substância PubChem:
24868110
NACRES:
NA.22

R$ 326,00

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Ensaio

97%

Formulário

liquid

índice de refração

n20/D 1.396 (lit.)

p.e.

90 °C/10 mmHg (lit.)

densidade

0.958 g/mL at 25 °C (lit.)

cadeia de caracteres 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

chave InChI

XMSXQFUHVRWGNA-UHFFFAOYSA-N

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Descrição geral

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]

Aplicação

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]

Código de classe de armazenamento

10 - Combustible liquids

Classe de risco de água (WGK)

WGK 2

Ponto de fulgor (°F)

163.4 °F - closed cup

Ponto de fulgor (°C)

73 °C - closed cup

Equipamento de proteção individual

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

Escolha uma das versões mais recentes:

Certificados de análise (COA)

Lot/Batch Number
0000308959
0000308959
MKCT7009
0000246889
MKCN6651

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Millipore

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Sigma-Aldrich

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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
Ring-opening polymerization of decamethylcyclopentasiloxane initiated by a superbase: Kinetics and rheology.
Pibre G, et al.
Polymer, 49(1), 234-240 (2008)
Ying Chen et al.
Materials (Basel, Switzerland), 15(1) (2022-01-12)
To investigate the toxicity of the low-molecular-weight components (LMWCs) in ophthalmic silicone oils (SilOils) on retinal cell lines. The toxicity of six types of LMWCs were studied and compared with conventional SilOil 1000 cSt. In vitro cytotoxic tests of LMWCs
Deoligomerization of cyclooligosiloxanes with dimethyl carbonate over solid-base catalysts.
Okamoto M, et al.
Catalysis Letters, 88(3-4), 115-118 (2003)
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Questions

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  1. 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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  2. 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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