Cyclopentasiloxane/Decamethylcyclopentasiloxane/D5 Silicone Oil

Structural Formula:


Chemical name :Cyclopentasiloxane/Decamethylcyclopentasiloxane/D5
CAS No.:541-02-6
EINECE :208-764-9
Appearance : Colorless transparent liquid.

Physical and chemical features
1. colorless & odorless & transparent & non-toxic.

2. high and low temperature resistance.

3. low freezing point & low surface tension & high flash point.

1. Hair care: Reduce drying time, removes sticky sense, and comb in wet.
2.Skin care: No irritation, no clogging, easier smearing, reduces oily sensation, rapid absorption, pigmentation, smoothness feeling, smooth feeling/softening.
3. General Characteristics: less odor.
4. Antiperspirant/deodorant: reduce sticky sense, drying feeling in use, no stains left on the surface of clothing, and increase slip performance.

General Information
AppearanceColorless transparent
Boiling point ºC175-176
Melt point ºC17-18
Flash point ºC(close cup)56-60
Relative gravity0.9558
Refractive index1.395-1.397


D5 Because of its volatility it can provide a silky feel and have good compatibility with a variety of cosmetic   ingredients, low crystallization temperature , good spreadability. It can be widely used in cosmetics as following:

1. Antiperspirant, deodorant: active salt instantaneous carrier;
2. Hair Care: improve wet combing without residue;
3. Skin Care: non-comedogenic original softeners and drug carriers;
4. Perfume: the release of flavor and provide a smooth skin feeling non-cold feeling.

FDL Company with non-volatile requirements in the United States Pharmacopoeia :

1. antiperspirants, deodorant: 3-10%;

2.  Hair Care: 1-5%;

3.  Skin Care: 3-10%;

4.  Perfume: 0.5-3%.