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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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-1,3,5,7,9,2λ3,4λ3,6λ3,8λ3,10λ3-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

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