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Octakis(trimethylsiloxy)silsesquioxane

CAS No.
51777-38-9
Chemical Name:
Octakis(trimethylsiloxy)silsesquioxane
Synonyms
Q8M8;Octakis(trimethylsilyl) trisilicate;OCTAKIS(TRIMETHYLSILOXY)SILSESQUIOXANE;octakis(trimethylsiloxy)-t8-silsesquioxane;Octakis(trimethylsiloxy)silsesquioxane,min.94%;Octakis(trimethylsiloxy)silsesquioxane, >=98.5%;Octakis(trimethylsiloxy)silsesquioxane, min. 94%;bis(trimethylsilyl) bis[tris(trimethylsilyloxy)silyl] silicate;Octakis[(trimethylsilyl)oxy]-pentacyclo[9.5.1.13,9.15,15.17,13]octasiloxane;1,3,5,7,9,11,13,15-Octakis[(trimethylsilyl)oxy]pentacyclo[9.5.1.13,9.15,15.17,13]octasiloxane
CBNumber:
CB2719063
Molecular Formula:
C24H72O20Si16
Molecular Weight:
1130.18
MDL Number:
MFCD01310212
MOL File:
51777-38-9.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-05-28 00:42:28
Product description Number Pack Size Price
Octakis(trimethylsiloxy)silsesQuioxane Asreported 286241 1g $337
Octakis(trimethylsiloxy)silsesQuioxane Asreported 286241 5g $616
Octakis(trimethylsiloxy)silsesQuioxane Asreported 286241 25g $1550
Octakis(trimethylsiloxy)silsesQuioxane Asreported 286241 50g $2400
Octakis(trimethylsiloxy)silsesquioxane FO40618 1g $192.18
More product size

Octakis(trimethylsiloxy)silsesquioxane Properties

Boiling point 542.3±33.0 °C(Predicted)
Density 1.11
solubility Sparingly Soluble (0.61 g/L) (25°C), Calc.
form Powder
Specific Gravity 1.11
Hydrolytic Sensitivity 4: no reaction with water under neutral conditions

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Hazard statements  H315-H319-H335
Precautionary statements  P261-P280a-P304+P340-P305+P351+P338-P405-P501a
NFPA 704
1
2 0

Octakis(trimethylsiloxy)silsesquioxane price More Price(16)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Usbiological 286241 Octakis(trimethylsiloxy)silsesQuioxane Asreported 51777-38-9 1g $337 2026-06-03 Buy
Usbiological 286241 Octakis(trimethylsiloxy)silsesQuioxane Asreported 51777-38-9 5g $616 2026-06-03 Buy
Usbiological 286241 Octakis(trimethylsiloxy)silsesQuioxane Asreported 51777-38-9 25g $1550 2026-06-03 Buy
Usbiological 286241 Octakis(trimethylsiloxy)silsesQuioxane Asreported 51777-38-9 50g $2400 2026-06-03 Buy
Biosynth FO40618 Octakis(trimethylsiloxy)silsesquioxane 51777-38-9 1g $192.18 2026-06-04 Buy
Product number Packaging Price Buy
286241 1g $337 Buy
286241 5g $616 Buy
286241 25g $1550 Buy
286241 50g $2400 Buy
FO40618 1g $192.18 Buy

Octakis(trimethylsiloxy)silsesquioxane Chemical Properties,Uses,Production

Uses

Used as flavor and fragrance intermediates. It is an important raw material used intermediate in pharmaceuticals, organic synthesis, dye stuffs and agrochemicals.

Octakis(trimethylsiloxy)silsesquioxane Preparation Products And Raw materials

Raw materials

Preparation Products

Global( 39)Suppliers
Supplier Tel Email Country ProdList Advantage
Shanghai Daken Advanced Materials Co.,Ltd
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BOC Sciences
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Shaanxi Dideu Medichem Co. Ltd
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Dayang Chem (Hangzhou) Co.,Ltd.
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Henan Alfa Chemical Co., Ltd
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GIHI CHEMICALS CO.,LIMITED
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Aladdin Scientific
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J & K SCIENTIFIC LTD. 18210857532; 18210857532 jkinfo@jkchemical.com China 96815 76
Meryer (Shanghai) Chemical Technology Co., Ltd. 4006356688 18621169109 market03@meryer.com China 40228 62
Alfa Aesar 400-6106006 saleschina@alfa-asia.com China 30123 84
OCTAKIS(TRIMETHYLSILOXY)SILSESQUIOXANE Octakis[(trimethylsilyl)oxy]-pentacyclo[9.5.1.13,9.15,15.17,13]octasiloxane Q8M8 Octakis(trimethylsiloxy)silsesquioxane,min.94% Octakis(trimethylsiloxy)silsesquioxane, min. 94% Octakis(trimethylsiloxy)silsesquioxane, >=98.5% octakis(trimethylsiloxy)-t8-silsesquioxane Pentacyclo[9.5.1.13,9.15,15.17,13]octasiloxane, 1,3,5,7,9,11,13,15-octakis[(trimethylsilyl)oxy]- bis(trimethylsilyl) bis[tris(trimethylsilyloxy)silyl] silicate Octakis(trimethylsilyl) trisilicate 1,3,5,7,9,11,13,15-Octakis[(trimethylsilyl)oxy]pentacyclo[9.5.1.13,9.15,15.17,13]octasiloxane 51777-38-9 C24H72O20Si6 Si8O12OSiCH338 C24H72O20Si16 organosilicon compounds