pentamethylcyclopentasiloxane

Modify Date: 2024-01-02 18:35:43

pentamethylcyclopentasiloxane Structure
pentamethylcyclopentasiloxane structure
Common Name pentamethylcyclopentasiloxane
CAS Number 6166-86-5 Molecular Weight 300.637
Density 0.992 g/mL at 25ºC(lit.) Boiling Point 169.0±0.0 °C at 760 mmHg
Molecular Formula C5H20O5Si5 Melting Point -108ºC
MSDS Chinese USA Flash Point 52.9±18.7 °C
Symbol GHS02
GHS02
Signal Word Warning

 Names

Name 2,4,6,8,10-pentamethyl-1,3,5,7,9,2λ3,4λ3,6λ3,8λ3,10λ3-pentaoxapentasilecane
Synonym More Synonyms

 Chemical & Physical Properties

Density 0.992 g/mL at 25ºC(lit.)
Boiling Point 169.0±0.0 °C at 760 mmHg
Melting Point -108ºC
Molecular Formula C5H20O5Si5
Molecular Weight 300.637
Flash Point 52.9±18.7 °C
Exact Mass 300.015717
PSA 46.15000
Appearance of Characters liquid
Vapour Pressure 2.1±0.3 mmHg at 25°C
Index of Refraction n20/D 1.392(lit.)
Storage condition 2-8°C

 Safety Information

Symbol GHS02
GHS02
Signal Word Warning
Hazard Statements H226
Personal Protective Equipment Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes Xi
Risk Phrases 10-36/37/38
Safety Phrases 16-26-36
RIDADR UN 1993 3/PG 3
WGK Germany 3
HS Code 2901100000

 Synthetic Route

~%

pentamethylcyclopentasiloxane Structure

pentamethylcycl...

CAS#:6166-86-5

Detail
Literature: WO2005/5441 A2, ; Page/Page column 6; 7 ;

~17%

pentamethylcyclopentasiloxane Structure

pentamethylcycl...

CAS#:6166-86-5

Literature: US2595891 , ; C. A., , p. 7821

~9%

pentamethylcyclopentasiloxane Structure

pentamethylcycl...

CAS#:6166-86-5

Literature: J. Gen. Chem. USSR (Engl. Transl.), , vol. 61, # 6.2 p. 1378 - 1383,1257 - 1261

~%

pentamethylcyclopentasiloxane Structure

pentamethylcycl...

CAS#:6166-86-5

Literature: Journal of the American Chemical Society, , vol. 68, p. 963

~3%

Detail
Literature: J. Gen. Chem. USSR (Engl. Transl.), , vol. 61, # 6.2 p. 1378 - 1383,1257 - 1261

~%

pentamethylcyclopentasiloxane Structure

pentamethylcycl...

CAS#:6166-86-5

Detail
Literature: J. Gen. Chem. USSR (Engl. Transl.), , vol. 60, # 9.2 p. 2100 - 2106,1873 - 1878

~1%

Detail
Literature: J. Gen. Chem. USSR (Engl. Transl.), , vol. 61, # 6.2 p. 1378 - 1383,1257 - 1261

~3%

Detail
Literature: J. Gen. Chem. USSR (Engl. Transl.), , vol. 61, # 6.2 p. 1378 - 1383,1257 - 1261

~%

pentamethylcyclopentasiloxane Structure

pentamethylcycl...

CAS#:6166-86-5

Detail
Literature: Journal of the American Chemical Society, , vol. 68, p. 963

 Customs

HS Code 2901100000
Summary 2901100000 saturated acyclic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

 Synonyms

2,4,6,8,10-Pentamethylcyclopentasiloxane
MFCD00053531
2,4,6,8,10-Pentamethyl-cyclopentasiloxan
Cyclopentasiloxane,2,4,6,8,10-pentamethyl
1,3,5,7,9-pentamethylcyclopentasiloxane
2,4,6,8,10-Pentamethyl-1,3,5,7,9,2,4,6,8,10-pentoxapentasilecane
EINECS 228-204-7
2,3-DIHYDRO-5-FURYLBORONIC ACID PINACOL ESTER
pentamethyl cyclopentasiloxane
Cyclopentasiloxane, 2,4,6,8,10-pentamethyl-
1,3,5,7,9-pentamethylhydrocyclopentasiloxane
cyclopentasiloxane