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444278

Sigma-Aldrich

Decamethylcyclopentasiloxane

97%

Sinonimo/i:

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

Formula empirica (notazione di Hill):
C10H30O5Si5
Numero CAS:
541-02-6
Peso molecolare:
370.77
Beilstein:
1800166
Numero CE:
208-764-9
Numero MDL:
MFCD00046966
Codice UNSPSC:
12352103
ID PubChem:
24868110
NACRES:
NA.22

Saggio

97%

Forma fisica

liquid

Indice di rifrazione

n20/D 1.396 (lit.)

P. eboll.

90 °C/10 mmHg (lit.)

Densità

0.958 g/mL at 25 °C (lit.)

Stringa SMILE

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
XMSXQFUHVRWGNA-UHFFFAOYSA-N

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Descrizione generale

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.

Applicazioni

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

Codice della classe di stoccaggio

10 - Combustible liquids

Classe di pericolosità dell'acqua (WGK)

WGK 2

Punto d’infiammabilità (°F)

163.4 °F - closed cup

Punto d’infiammabilità (°C)

73 °C - closed cup

Dispositivi di protezione individuale

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

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Certificati d'analisi (COA)

Lot/Batch Number
MKCN6651
MKCK8355
MKCJ1667
MKCF9596
MKCD9465

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Sigma-Aldrich

8.14750

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Supelco

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Octamethyltrisiloxane 98%

Sigma-Aldrich

235709

Octamethyltrisiloxane

MMP-9 Inhibitor I MMP-9 Inhibitor I, CAS 1177749-58-4, is a cell-permeable, potent, and reversible MMP-9 Inhibitor (IC₅₀ = 5 nM). At high concentration inhibits MMP-1 (IC₅₀ = 1.05 µM) & MMP-13 (IC₅₀ = 113 nM).

Millipore

444278-M

MMP-9 Inhibitor I

2,4,6,8-Tetramethylcyclotetrasiloxane ≥98.5%, ≥99.999% trace metals basis

Sigma-Aldrich

512990

2,4,6,8-Tetramethylcyclotetrasiloxane

Ring-opening polymerization of decamethylcyclopentasiloxane initiated by a superbase: Kinetics and rheology.
Pibre G, et al.
Polymer, 49(1), 234-240 (2008)
The potential of methylsiloxanes as solvents for synthetic chemistry applications.
Ab Rani M, et al.
Green Chemistry, 16(3), 1282-1296 (2014)
Deoligomerization of cyclooligosiloxanes with dimethyl carbonate over solid-base catalysts.
Okamoto M, et al.
Catalysis Letters, 88(3-4), 115-118 (2003)
Characterization of ecological risks from environmental releases of decamethylcyclopentasiloxane (D5).
Fairbrother A, et al.
Environmental Toxicology and Chemistry / Setac, 34(12), 2715-2722 (2015)
Xiaohui Gou et al.
Frontiers in physiology, 11, 686-686 (2020-07-17)
Dentin sialoprotein (DSP), the NH2-terminal fragment of dentin sialophosphoprotein (DSPP), is essential for dentin formation and further processed into small fragments inside the odontoblasts. Gelatinases, including matrix metalloproteinases 9 (MMP9) and MMP2, were able to cleave DSP(P) in tooth structures.
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