Decamethylcyclopentasiloxane

Modify Date: 2024-01-02 06:55:06

Decamethylcyclopentasiloxane Structure
Decamethylcyclopentasiloxane structure
 Common Name Decamethylcyclopentasiloxane
CAS Number 541-02-6 Molecular Weight 370.770
Density 1.0±0.1 g/cm3 Boiling Point 210.0±0.0 °C at 760 mmHg
Molecular Formula C10H30O5Si5 Melting Point -44°C
MSDS Chinese USA Flash Point 95.6±23.0 °C

 Use of Decamethylcyclopentasiloxane


Decamethylcyclopentasiloxane (D5), an organosilicon compound that is used as a skin emollient in cosmetics and personal products[1].

 Names

Name Decamethylcyclopentasiloxane
Synonym More Synonyms

 Decamethylcyclopentasiloxane Biological Activity

Description Decamethylcyclopentasiloxane (D5), an organosilicon compound that is used as a skin emollient in cosmetics and personal products[1].
Related Catalog

 Chemical & Physical Properties

Density 1.0±0.1 g/cm3
Boiling Point 210.0±0.0 °C at 760 mmHg
Melting Point -44°C
Molecular Formula C10H30O5Si5
Molecular Weight 370.770
Flash Point 95.6±23.0 °C
Exact Mass 370.093964
PSA 46.15000
LogP 3.59200
Vapour Pressure 0.3±0.4 mmHg at 25°C
Index of Refraction 1.427
Stability Stable. Incompatible with strong oxidizing agents.

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
GY5945200
CHEMICAL NAME :
Cyclopentasiloxane, decamethyl-
CAS REGISTRY NUMBER :
541-02-6
BEILSTEIN REFERENCE NO. :
1800166
LAST UPDATED :
199710
DATA ITEMS CITED :
8
MOLECULAR FORMULA :
C10-H30-O5-Si5
MOLECULAR WEIGHT :
370.85

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
REFERENCE :
85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,1234,1986
TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration into the eye
SPECIES OBSERVED :
Rodent - rabbit
REFERENCE :
85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,1234,1986 ** ACUTE TOXICITY DATA **
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
>64 mL/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 28,313,1974
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
>16 mL/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 28,313,1974 ** OTHER MULTIPLE DOSE TOXICITY DATA **
TYPE OF TEST :
TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
3060 mg/m3/6H/4W-I
TOXIC EFFECTS :
Liver - changes in liver weight Blood - other changes Biochemical - Metabolism (Intermediary) - lipids including transport
REFERENCE :
TOXID9 Toxicologist. (Soc. of Toxicology, Inc., 475 Wolf Ledge Parkway, Akron, OH 44311) V.1- 1981- Volume(issue)/page/year: 15,181,1995

 Safety Information

Hazard Codes Xi:Irritant;
Risk Phrases R36/37/38
Safety Phrases S23-S24/25
RIDADR NONH for all modes of transport
WGK Germany 2
RTECS GY5945200
HS Code 29310095

 Synthetic Route

 Customs

HS Code 2931900001
Summary 2931900001 2,2,4,4,6,6,8,8,10,10-decamethyl-1,3,5,7,9,2,4,6,8,10-pentaoxapentasilecane。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。Lowest tariff:6.5%。General tariff:30.0%

 Articles1

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Angle- and strain-independent coloured free-standing films incorporating non-spherical colloidal photonic crystals.

Soft Matter 11(8) , 1582-8, (2015)

Colloidal photonic crystals (CPCs) provide a convenient way to generate structural colour with high stability against degradation under environmental factors. For a number of applications including fl...

 Synonyms

MFCD00046966
Cyclopentasiloxane, 2,2,4,4,6,6,8,8,10,10-decamethyl-
D5 Cyclomethicone
decamethyl cyclopentasiloxane
Cyclic dimethylsiloxane pentamer
Decamethyl-cyclopentasiloxane
2,2,4,4,6,6,8,8,10,10-decamethyl-1,3,5,7,9,2,4,6,8,10-pentaoxapentasilecane
Decamethylcyclopentasiloxane
2,2,4,4,6,6,8,8,10,10-Decamethyl-1,3,5,7,9,2,4,6,8,10-pentoxapentasilecane
EINECS 208-764-9
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