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PENTAMETHYLCYCLOPENTASILOXANE

Product Name
PENTAMETHYLCYCLOPENTASILOXANE
CAS No.
6166-86-5
Chemical Name
PENTAMETHYLCYCLOPENTASILOXANE
Synonyms
D 5H;LS 8990;Einecs 228-204-7;PENTAMETHYLCYCLOPENTASILOXANE;2,4,6,8,10-PENTAMETHYLCYCLOPENTASILOXANE;2,4,6,8,10-pentamethyl-cyclopentasiloxan;Cyclopentasiloxane, 2,4,6,8,10-pentamethyl-;2,4,6,8,10-Pentamethylcyclodecapentasiloxane;2,4,6,8,10-Pentamethylcyclodecanepentasiloxane;2,4,6 8,10-PENTAMETHYLCYCLOPENTASILOXANE TECH 90+%
CBNumber
CB5119606
Molecular Formula
C5H20O5Si5
Formula Weight
300.64
MOL File
6166-86-5.mol
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PENTAMETHYLCYCLOPENTASILOXANE Property

Melting point:
-108°C
Boiling point:
54 °C/10 mmHg (lit.)
Density 
0.992 g/mL at 25 °C (lit.)
vapor pressure 
0.05-91Pa at 20℃
refractive index 
n20/D 1.392(lit.)
Flash point:
39°C
storage temp. 
2-8°C
form 
liquid
Specific Gravity
0.998
Water Solubility 
110-1000000000μg/L at 20℃
Hydrolytic Sensitivity
3: reacts with aqueous base
BRN 
1792134
LogP
-2.4-6.33 at 20℃
EPA Substance Registry System
Cyclopentasiloxane, 2,4,6,8,10-pentamethyl- (6166-86-5)
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Safety

Hazard Codes 
Xi
Risk Statements 
10-36/37/38
Safety Statements 
16-26-36
RIDADR 
UN 1993 3/PG 3
WGK Germany 
3
F 
10-21
TSCA 
Yes
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H226Flammable liquid and vapour

Precautionary statements

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P233Keep container tightly closed.

P240Ground/bond container and receiving equipment.

P241Use explosion-proof electrical/ventilating/lighting/…/equipment.

P242Use only non-sparking tools.

P243Take precautionary measures against static discharge.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
517801
Product name
2,4,6,8,10-Pentamethylcyclopentasiloxane
Purity
96%
Packaging
25ml
Price
$186
Updated
2023/06/20
TRC
Product number
P227410
Product name
2,4,6,8,10-Pentamethylcyclopentasiloxane
Packaging
2.5ml
Price
$95
Updated
2021/12/16
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PENTAMETHYLCYCLOPENTASILOXANE Chemical Properties,Usage,Production

Uses

2,4,6,8,10-Pentamethylcyclopentasiloxane is an active reagent in the preparation of cyclolinear polysiloxanes and in the preparation of novel class of hybrid polyurethanes.

Flammability and Explosibility

Flammable

PENTAMETHYLCYCLOPENTASILOXANE Preparation Products And Raw materials

Raw materials

Preparation Products

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PENTAMETHYLCYCLOPENTASILOXANE Suppliers

China 37 Germany 2 Singapore 1 Switzerland 1 United Kingdom 1 United States 4 Global 46
SIGMA-RBI
Tel
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Fax
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Country
Switzerland
ProdList
6896
Advantage
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6166-86-5, PENTAMETHYLCYCLOPENTASILOXANERelated Search:

Methanol Copper(II) chloride dihydrate Sodium benzoate Potassium hydroxide Triethanolamine Barium hydroxide Carbon dioxide Pyrrole Calcium carbonate Silica, fumed PENTAMETHYLCYCLOPENTASILOXANE Decamethylcyclopentasiloxane PENTAVINYLPENTAMETHYLCYCLOPENTASILOXANE 3-HYDROXYPROPYLISOBUTYL-POSS [[DIMETHYL(TRIFLUOROMETHYL)ETHYL]SILYLOXY]HEPTACYCLOPENTYLTRICYCLOHEPTASILOXANEDIOL 1,3,5,7,9-PENTAMETHYLCYCLOPENTASILOXANE D5, [METHYL-14C]- TRIS((DIMETHYL(TRIFLUOROMETHYL)ETHYL)SILYLOXY)HEPTACYCLOPENTYLTRICYCLOHEPTASILOXANE

  • 2,4,6,8,10-pentamethyl-1,3,5,7,9,2,4,6,8,10-pentaoxapentasilecane
  • 2,4,6,8,10-pentamethyl-1,3,5,7,9,2λ<sup>3</sup>,4λ<sup>3</sup>,6λ<sup>3</sup>,8λ<sup>3</sup>,10λ<sup>3</sup>-pentaoxapentasilecane
  • 2,4,6,8,10-PENTAMETHYLCYCLOPENTASILOXANE
  • PENTAMETHYLCYCLOPENTASILOXANE
  • PENTAMETHYLCYCLOPENTASILOXANE CONTAINS OTHER CYCLIC HOMOLOGS
  • 2,4,6 8,10-PENTAMETHYLCYCLOPENTASILOXANE TECH 90+%
  • PENTAMETHYLCYCLOPENTASILOXANE: 90% CONTAINS OTHER CYCLIC HOMOLOGS
  • 2,4,6,8,10-Pentamethylcyclodecanepentasiloxane
  • 2,4,6,8,10-Pentamethylcyclodecapentasiloxane
  • Cyclopentasiloxane, 2,4,6,8,10-pentamethyl-
  • Einecs 228-204-7
  • LS 8990
  • D 5H
  • 2,4,6,8,10-pentamethyl-cyclopentasiloxan
  • 2,4,6,8,10-pentamethyl-1,3,5,7,9,2λ3,4λ3,6λ3,8λ3,10λ3-pentaoxapentasilecane
  • 6166-86-5
  • C5H20O5Si5
  • CH3SiHO5
  • Siloxanes
  • Organosilicon
  • Organometallic Reagents
  • Organometallic Reagents
  • SiliconOrganometallic Reagents
  • Organosilicon
  • Precursors by Metal
  • Siloxanes
  • Vapor Deposition Precursors
  • Chemical Synthesis
  • CVD and ALD Precursors by Metal
  • Materials Science
  • Micro/NanoElectronics
  • Organometallic Reagents
  • Silicon
  • Vapor Deposition Precursors