ChemicalBook > CAS DataBase List > Octavinyloctasilasesquioxane

Octavinyloctasilasesquioxane

Product Name: Octavinyloctasilasesquioxane
CAS No.: 69655-76-1
Chemical Name: Octavinyloctasilasesquioxane
Synonyms: DK017;DK871;DKSI073;DKFELEX0229;T8-T14 homologs;JACS-69655-76-1;Octal Vinyl-POSS;Vinyl POSS IOTA 66965;OCTAVINYLSILSESQUIOXANE;PSS-Octavinylsubstitute
CBNumber: CB5363445
Molecular Formula: C16H24O12Si8
Formula Weight: 633.04
MOL File: 69655-76-1.mol

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Octavinyloctasilasesquioxane Property

Melting point:: >350 °C (lit.)
Boiling point:: 329.4±25.0 °C(Predicted)
Density: 1.22±0.1 g/cm3(Predicted)
Flash point:: >200°C
storage temp.: Inert atmosphere,Room Temperature
form: powder to crystal
Specific Gravity: 1.350
color: White to Almost white
Hydrolytic Sensitivity: 1: no significant reaction with aqueous systems
BRN: 2320666
NIST Chemistry Reference: Octa(vinylsilasesquioxane)(69655-76-1)

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Safety

Hazard Codes: Xi
Risk Statements: 36/37/38
Safety Statements: 22-24/25-37/39-26
WGK Germany: 3
F: 10-21
TSCA: No
HS Code: 29319090

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 475424
Product name: PSS-Octavinyl substituted
Packaging: 1g
Price: $147.73
Updated: 2025/07/31

Sigma-Aldrich

Product number: 475424
Product name: PSS-Octavinyl substituted
Packaging: 10g
Price: $797.9
Updated: 2025/07/31

TCI Chemical

Product number: O0491
Product name: Octavinyloctasilasesquioxane
Packaging: 1G
Price: $29
Updated: 2025/07/31

TCI Chemical

Product number: O0491
Product name: Octavinyloctasilasesquioxane
Packaging: 5G
Price: $121
Updated: 2025/07/31

AK Scientific

Product number: V1004
Product name: PSS-Octavinyl substituted
Packaging: 5g
Price: $65
Updated: 2021/12/16

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Octavinyloctasilasesquioxane Chemical Properties,Usage,Production

Description

Octavinyloctasilasesquioxane (OVS) is a useful organic intermediate with eight unsaturated double bonds, and it can be used to adjust the chemical structure of copolymer. It could used as a cross-linking agent to prepared the PHBV/OVS ;composites by melt-reaction technique. It is also used to synthesize highly luminescent PNC-polymer composites with a superhydrophobic micro/nano structured surface. The OVS is condensed into the micro/nano-scale protrusions (second phase) on the PECA substrate because of the strong Si-O bonds between OVS molecules to [1-2]. This method can achieve the purpose of packaging Metal halide perovskite nanocrystals and solve the problem of the low chemical stability against water.

References

[1] Xiang H , et al. The Crystallization, Melting Behaviors and Thermal Stability of Cross-linked Poly(3-hydroxybutyrate-co-3-hydroxyvalerate) by Octavinyloctasilasesquioxane. Chinese Journal of Polymer Science, 2018; 36: 1353–1360.
[2] Wang S, et al. Perovskite nanocrystals-polymer composites with a micro/nano structured superhydrophobic surface for stable and efficient white light-emitting diodes. Chemical Engineering Journal, 2022; 473: 135303.

Octavinyloctasilasesquioxane Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from Octavinyloctasilasesquioxane manufacturers

Shanghai Daken Advanced Materials Co.,Ltd

Product: OCTAVINYL-T8-SILSESQUIOXANE 69655-76-1
Price: US $0.00/KG
Min. Order: 1KG
Purity: 98.00%
Supply Ability: 1000KG /month
Release date: 2021-11-19

Shaanxi Dideu New Materials Co. Ltd

Product: Octavinyloctasilasesquioxane 69655-76-1
Price: US $0.00/kg
Min. Order: 1kg
Purity: 99%
Supply Ability: 10000KGS
Release date: 2025-03-18

Shanghai UCHEM Inc.

Product: Vinyl POSS 69655-76-1
Price: US $55.00-353.00/g
Min. Order: 25g
Purity: 0.99
Supply Ability: 25kg
Release date: 2023-10-23

69655-76-1, OctavinyloctasilasesquioxaneRelated Search:

4-(4-CHLORO-BENZYLOXY)-PHENYLAMINE Hexamethyldisilazane VINYL PROPIONATE N-Vinyl-2-pyrrolidone POLY(METHYLSILSESQUIOXANE) Triethoxyvinylsilane Sodium bis(trimethylsilyl)amide Octamethylsilsesquioxane 2,4-PENTANEDIONE, SILVER DERIVATIVE DICHLORO(ETHYLENEDIAMINE)PLATINUM(II) Tris(2,4-pentanedionato)chroMiuM(III) SALCOMINE Aluminum acetylacetonate Benzyl isocyanide TERT-BUTYL ISOCYANIDE COBALT(II) ACETYLACETONATE Ethyl isocyanoacetate PHENYLSELENOL

1,3,5,7,9,11,13,15-OCTAVINYLPENTACYCLO[9.5.1.1(3,9).1(5,15).1(7,13)] OCTASILOXANE

OCTAVINYLOCTASILASESQUIOXANE

OCTAVINYLSILSESQUIOXANE

OCTAVINYL-T8-SILSESQUIOXANE

POLY(VINYLSILSESQUIOXANE) T8 WITH ALL SILICONS VINYL SUBSTITUTED

Octaethenyl-pentacyclo-[9.5.1.13,9.15,15.17,13]-octasiloxane

Pentacyclo[9.5.1.1.3,9.15,15.17,13]octasiloxane,octaethenyl-

Pervinyloctasilsesquioxane

1,3,5,7,9,11,13,15-octavinylpentacyclo-octasiloxa

OctavinylTsilsesquioxane

1,3,5,7,9,11,13,15-OCTAVINYLPENTACYCLO-O CTASILOXANE, 97%

pss-octavinyl substituted

POLY(VINYLSILSESQUIOXANE)

Octavinyloctasilasesquioxane, 1,3,5,7,9,11,13,15-Octavinylpentacyclo[9.5.1.13,9.15,15.17,13]octasiloxane

Octa(vinylsilasesquioxane)

Octavinyl-T8-silsequioxane

T8-T14 homologs

OCTAVINYL-T8-SILSESQUIOXANE, tech-95

JACS-69655-76-1

Pentacyclo[9.5.1.13,9.15,15.17,13]octasiloxane, 1,3,5,7,9,11,13,15-octaethenyl-

PSS-Octavinylsubstitute

Octavinylsilasesquioxane POSS

1,3,5,7,9,11,13,15-Octavinyl-2,4,6,8,10,12,14,16,17,18,19,20-dodecaoxa-1,3,5,7,9,11,13,15-octasilapentacyclo[9.5.1.13,9.15,15.17,13]icosane

DK017

DK871

DKFELEX0229

DKSI073

Octal Vinyl-POSS

Vinyl POSS IOTA 66965

69655-76-1

65699-76-1

C16H24O12Si8

POSS