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Decamethylcyclopentasiloxane (D5)

Chemical Name:DecaMethylCyclo PentaSiloxane
Product Category:Silicone IntermediateProduct
Structural Formula:541-02-6-1
CAS No.:541-02-6
Molecular Formula:C10H30O5Si5
Molecular Weight:370.770

Decamethylcyclopentasiloxane Description

Decamethylcyclopentasiloxane(CAS 541-02-6) , also known as cyclopentasiloxane. D5 is an organic compound with the chemical formula C10H30O5Si5, a colorless liquid widely used in cosmetics and personal care products, compatible with most alcohols and Good compatibility with other cosmetic solvents.

Decamethylcyclopentasiloxane is classified as a cyclomethicone and is commonly used in cosmetics such as deodorants, sunscreens, hair sprays, and skin care products.
Synonyms ProductsCyclopentasiloxane, Decamethyl-; Cyclopentasiloxane; Cyclomethicone5; D5 Cyclomethicone; Decamethylcyclopentasiloxan; Decamethylcylopentasiloxane;
Melting point-44 ℃
Boiling point210.0 ℃(±0.0 °C at 760 mmHg)
Density0.958 g/cm³
Appearancecolorless liquid
Flash point72.2 ℃
Safety descriptionS23, S24/25, S36, S26
Hazard symbolXI
Hazard statementR36/37/38, R53UN
Dangerous goods numberNA 1993 / PGIII
RTECS NoGY5945200
Customs code29310095
UsesWidely used in cosmetics and body care products, it has good compatibility with most alcohols and other cosmetic solvents
  • NOT
Transportation & Safety info
  • UN No.: N.A
  • Transport hazard class(es) :  N.A
  • Packing group: N.A
  • Our standard packing is net 25kg / 200 kg drums / 1000kg/IBC,or according to your requirements.
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  • 3 tons.

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Decamethylcyclopentasiloxane: Guide

Decamethylcyclopentasiloxane (cyclopentadimethylsiloxane) is a colorless, odorless, volatile liquid cyclic siloxane, safe and environmentally friendly, widely used in health and beauty cosmetics and body care products, such as deodorants, antiperspirants, make-up, shampoos, and body lotions, etc. It has good compatibility with alcohol and most other cosmetic solvents.

D5 decamethylcyclopentasiloxane is a cyclic siloxane with ring-arranged silicon-oxygen bonds and methyl groups attached to silicon atoms. It is used in the production of a number of silicone-based polymers widely used in a variety of personal care products, as well as an intermediate in the manufacture of high molecular weight silicone polymers, a carrier component in personal care products, and a dry cleaning solvent.
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