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Decamethylcyclopentasiloxane CAS#541-02-6

Decamethylcyclopentasiloxane CAS#541-02-6

Excellent Cosmetic Compatibility: Demonstrates good compatibility with alcohol and most cosmetic solvents, making it suitable for a wide range of personal care formulations.

Safe and Environmentally Friendly Properties: Recognized as a safe and environmentally friendly ingredient, widely used in health and beauty products.

Versatile Personal Care Applications: Extensively applied in deodorants, antiperspirants, cosmetics, shampoos, body lotions, and other personal care products.

Superior Physical Characteristics: A colorless, odorless, and volatile cyclic siloxane liquid, providing a pleasant sensory experience and excellent formulation performance.

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Products Description of Decamethylcyclopentasiloxane CAS#541-02-6

Decamethylcyclopentasiloxane, also known as cyclopentasiloxane, is a colorless, odorless, and volatile cyclic siloxane liquid. It is considered a safe and environmentally friendly ingredient and is widely utilized in personal care and beauty products, including deodorants, antiperspirants, cosmetics, shampoos, body lotions, and other formulations.

Decamethylcyclopentasiloxane exhibits excellent compatibility with alcohol and most other cosmetic solvents, making it a versatile ingredient for various health and beauty applications.

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Decamethylcyclopentasiloxane Chemical Properties

Melting point 

-44°C

Boiling point 

90 °C/10 mmHg (lit.)

density 

0.958 g/mL at 25 °C (lit.)

vapor pressure 

33.2Pa at 25℃

refractive index 

n20/D 1.396(lit.)

Fp 

162 °F

storage temp. 

2-8°C

solubility 

<0.0001g/l (calculated)

form 

Liquid

color 

Colorless

Specific Gravity

0.959

explosive limit

0.52-7%(V)

Water Solubility 

Immiscible with water.

Hydrolytic Sensitivity

1: no significant reaction with aqueous systems

Merck 

142848

BRN 

1800166

Dielectric constant

2.5（20℃）

Stability:

Stable. Incompatible with strong oxidizing agents.

InChIKey

XMSXQFUHVRWGNA-UHFFFAOYSA-N

LogP

8.07 at 24.6℃

CAS DataBase Reference

541-02-6(CAS DataBase Reference)

NIST Chemistry Reference

Decamethylcyclopentasiloxane(541-02-6)

EPA Substance Registry System

Decamethylcyclopentasiloxane (541-02-6)

Hazard Codes 

Xi

Risk Statements 

36/37/38-53

Safety Statements 

23-24/25-36-26

RIDADR 

NA 1993 / PGIII

WGK Germany 

2

RTECS 

GY5945200

TSCA 

Yes

HS Code 

29310095

Hazardous Substances Data

541-02-6(Hazardous Substances Data)

Toxicity

LD50 oral in rat: > 24134mg/kg

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Product Application of Decamethylcyclopentasiloxane CAS#541-02-6

Decamethylcyclopentasiloxane is widely used in cosmetics and personal care products. It offers excellent compatibility with most alcohols and other cosmetic solvents, making it suitable for a variety of formulation systems and beauty care applications.

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