Decamethylcyclopentasiloxane
Suppliers
Names
[ CAS No. ]:
541-02-6
[ Name ]:
Decamethylcyclopentasiloxane
[Synonym ]:
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
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.
MSDS
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
Precursor & DownStream
Precursor
DownStream
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%
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