Decamethylcyclopentasiloxane

Cat. No.: HY-W009051 Purity: 99.51%: FAQs
Data Sheet SDS COA Handling Instructions

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Decamethylcyclopentasiloxane (D5), an organosilicon compound that is used as a skin emollient in cosmetics and personal products.

For research use only. We do not sell to patients.

Decamethylcyclopentasiloxane Chemical Structure

CAS No. : 541-02-6

Size	Price	Stock	Quantity
25 g	USD 25	In-stock	Estimated Time of Arrival: December 31
50 g		Get quote

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Based on 1 publication(s) in Google Scholar

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Biological Activity
Purity & Documentation
References
Customer Review

Description

Decamethylcyclopentasiloxane (D5), an organosilicon compound that is used as a skin emollient in cosmetics and personal products^[1].

Molecular Weight

370.77

Formula

C₁₀H₃₀O₅Si₅

CAS No.

541-02-6

Appearance

Liquid

Color

Colorless to light yellow

SMILES

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

Shipping

Room temperature in continental US; may vary elsewhere.

Storage

Pure form	-20°C	3 years
	4°C	2 years
In solvent	-80°C	6 months
	-20°C	1 month

Solvent & Solubility

In Vitro:

Ethanol : ≥ 74 mg/mL (199.58 mM)

*"≥" means soluble, but saturation unknown.

Preparing
Stock Solutions

Concentration Solvent Mass	1 mg	5 mg	10 mg

1 mM	2.6971 mL	13.4854 mL	26.9709 mL
5 mM	0.5394 mL	2.6971 mL	5.3942 mL
10 mM	0.2697 mL	1.3485 mL	2.6971 mL

View the Complete Stock Solution Preparation Table

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month. When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

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Dilution Calculator

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

Concentration _(start) × Volume _(start) = Concentration _(final) × Volume _(final)

This equation is commonly abbreviated as: C₁V₁ = C₂V₂

In Vivo Dissolution Calculator

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Calculation results:

Working solution concentration: mg/mL

Purity & Documentation

Purity: 99.51%

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Data Sheet (278 KB) SDS (394 KB)

COA (261 KB) HNMR (128 KB) GC (204 KB)

Handling Instructions (2659 KB)

References

[1]. Anne Fairbrother, et al. Characterization of ecological risks from environmental releases of decamethylcyclopentasiloxane (D5). Environ Toxicol Chem.2015 Dec;34(12):2715-22. [Content Brief]

Complete Stock Solution Preparation Table

Optional Solvent	Concentration Solvent Mass	1 mg	5 mg	10 mg	25 mg

Ethanol	1 mM	2.6971 mL	13.4854 mL	26.9709 mL	67.4272 mL
	5 mM	0.5394 mL	2.6971 mL	5.3942 mL	13.4854 mL
	10 mM	0.2697 mL	1.3485 mL	2.6971 mL	6.7427 mL
	15 mM	0.1798 mL	0.8990 mL	1.7981 mL	4.4951 mL
	20 mM	0.1349 mL	0.6743 mL	1.3485 mL	3.3714 mL
	25 mM	0.1079 mL	0.5394 mL	1.0788 mL	2.6971 mL
	30 mM	0.0899 mL	0.4495 mL	0.8990 mL	2.2476 mL
	40 mM	0.0674 mL	0.3371 mL	0.6743 mL	1.6857 mL
	50 mM	0.0539 mL	0.2697 mL	0.5394 mL	1.3485 mL
	60 mM	0.0450 mL	0.2248 mL	0.4495 mL	1.1238 mL
	80 mM	0.0337 mL	0.1686 mL	0.3371 mL	0.8428 mL
	100 mM	0.0270 mL	0.1349 mL	0.2697 mL	0.6743 mL