Decamethylcyclopentasiloxan

Bezeichnung:Decamethylcyclopentasiloxan

Englisch Name:Decamethylcyclopentasiloxane

CBNumberCB9256200

SummenformelC10H30O5Si5

Molgewicht370.77

Synonyma

Decamethylcyclopentasiloxan

Decamethylcyclopentasiloxan physikalisch-chemischer Eigenschaften

Schmelzpunkt	-44°C
Siedepunkt	90 °C/10 mmHg (lit.)
Dichte	0.958 g/mL at 25 °C (lit.)
Dampfdruck	33.2Pa at 25℃
Brechungsindex	n20/D 1.396(lit.)
Flammpunkt	162 °F
storage temp.	2-8°C
Löslichkeit	<0.0001g/l (calculated)
Aggregatzustand	Liquid
Farbe	Colorless
Wichte	0.959
Explosionsgrenze	0.52-7%(V)
Wasserlöslichkeit	Immiscible with water.
Hydrolytic Sensitivity	1: no significant reaction with aqueous systems
Merck	14,2848
BRN	1800166
Dielectric constant	2.5（20℃）
Stabilität	Stable. Incompatible with strong oxidizing agents.
InChIKey	XMSXQFUHVRWGNA-UHFFFAOYSA-N
LogP	8.07 at 24.6℃
CAS Datenbank	541-02-6(CAS DataBase Reference)
NIST chemische Informationen	Decamethylcyclopentasiloxane(541-02-6)
EPA chemische Informationen	Decamethylcyclopentasiloxane (541-02-6)

Sicherheit

Kennzeichnung gefährlicher	Xi
R-Sätze:	36/37/38-53
S-Sätze:	23-24/25-36-26
RIDADR	NA 1993 / PGIII
WGK Germany	2
RTECS-Nr.	GY5945200
TSCA	Yes
HS Code	29310095
Giftige Stoffe Daten	541-02-6(Hazardous Substances Data)
Toxizität	LD50 oral in rat: > 24134mg/kg

Gefahreninformationscode (GHS)

R-Sätze Betriebsanweisung:
R36/37/38:Reizt die Augen, die Atmungsorgane und die Haut.
S-Sätze Betriebsanweisung:
S23:Gas/Rauch/Dampf/Aerosol nicht einatmen(geeignete Bezeichnung(en) vom Hersteller anzugeben).
S24/25:Berührung mit den Augen und der Haut vermeiden.
Chemische Eigenschaften
liquid
Verwenden
cyclopentasiloxane is incorporated into a formulation for its emollient and solvent activity.
Verwenden
A cyclic volatile methylsiloxane (cVMS) used in cosmetic and personal care products. Used in dermal exposure and inhalation toxicity study.
Verwenden
Octamethylcyclotetrasiloxane and decamethylcyclopentasiloxane are major industrial products, which are either marketed as such or used for the production of polydimethylsiloxanes.
Verwenden
Intermediate in the manufacture of high mol wt siloxane polymers. Carrier ingredient in personal care products; dry cleaning solvent.
Definition
ChEBI: Decamethylcyclopentasiloxane is an organosilicon compound.
Allgemeine Beschreibung
D5 Cyclomethicone is a cyclic siloxane, that has a silicon-oxygen bond in a cyclic arrangement and methyl groups attached with the silicon atom. It is used in the production of some silicon-based polymers that are widely used in various personal care products.
Pharmaceutical secondary standards for application in quality control, provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards.
Flammability and Explosibility
Non flammable