Description:

Chemical Name: Cyclopentasiloxane

CAS ：541-02-6

IOTA D5 is a volatile polydimethyl cyclosiloxanes, mainly by decamethyl cyclopentasiloxane composition. Product is clear, odorless, basically odorless, non-greasy.

Application:

IOTA 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.

IOTA D5 Comply 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%.

Advantage:

IOTA D5 has the following properties:

1.  To bring the skin soft, silky feel;

2.  good spreadability;

3.  release;

4.  Not greasy;

Characteristic:

Appearance: Colorless transparent liquid

Chroma, Hazen : <20

Turbidity,NTU : <4

Viscosity 25 ℃, mm2 / s :  3.9

Density, 25 ℃:  0.95

Heavy metal content (Pb indicate), :  <5

Mineral oil content, mg / kg  :  <0.1

Surface tension, 25 ℃, mN / m, : 18.3

Odor:  slight odor odorless

Flash point (closed cup), ℃: 80

Boiling point, 101.3kpa, ° C:  210

Crystallization point, ℃, about  :  -40

The vapor pressure, 20 ℃, KPa : 0.025

Evaporation Rate (g/ min), NF30 -302, at 80℃:  0. 075

Volatile Time (sec), DIN 5 3 -: 170, at 23℃ 8400

Refractive index, 2 5 ℃, about: 1. 395

Octamethyl cyclotetrasiloxane (D 4) content,%:  <0. 9

Decamethyl cyclopentasiloxane (D5) content,%:  ≥97

Decamethyl cyclopentasiloxane (D5) + twelve methylcyclohexyl six siloxane (D6) content,% : ≥99.7

Acid value (NaOH 0.01N / 2g, ml) : <0.15