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Organosilicon Compounds & Silanes

1,1,1,3,5,7,7,7-Octamethyltetrasiloxane, 98%

Available on request

Buy 1,1,1,3,5,7,7,7-Octamethyltetrasiloxane, 98% (CAS 16066-09-4) from Zemixal: C8H24O3Si4, COA and SDS with every lot, worldwide shipping.

Pack sizes
1,1,1,3,5,7,7,7-Octamethyltetrasiloxane, 98% chemical structure
CAS number16066-09-4
FormulaC8H24O3Si4
Molar mass280.61 g/mol
Physical formLiquid
HS code29242990
Purity96%
InChIKeyOHSYWAVRSCQMHG-UHFFFAOYSA-N

About 1,1,1,3,5,7,7,7-Octamethyltetrasiloxane, 98%

1,1,1,3,5,7,7,7-Octamethyltetrasiloxane, 98% sits in our organosilicon Compounds & Silanes section and ships worldwide from stock or short lead time. Identity at a glance (96%): CAS 16066-09-4, formula C8H24O3Si4 and molar mass 280.61 g/mol. It is described as liquid.

Common uses in the lab and plant

  • Organic synthesis
  • API synthesis

Handling and storage

Reported physical data: density 0.863. Hazard communication follows GHS (Warning: H226, H315, H319 and H335). Our SDS lists exposure controls and first-aid measures.

Standard pack sizes are 5 g, 25 g, 100 g and 1 kg, and custom quantities are quoted on request. You receive a batch certificate of analysis and a 16-section SDS with each order. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Typical uses

  • Organic synthesis
  • API synthesis

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Specifications and identifiers

Specifications of 1,1,1,3,5,7,7,7-Octamethyltetrasiloxane, 98%
Product name1,1,1,3,5,7,7,7-Octamethyltetrasiloxane, 98%
Catalogue numberZX-010150
CAS number16066-09-4
Molecular formulaC8H24O3Si4
Molar mass280.61 g/mol
Exact mass280.0803
Purity / assay96%
Physical formLiquid
AppearanceLiquid
Density0.863
H-bond donors / acceptors0 / 3
Topological polar surface area27.7 Ų
HS code29242990
InChIKeyOHSYWAVRSCQMHG-UHFFFAOYSA-N
SMILESC[Si](O[Si](C)O[Si](C)(C)C)O[Si](C)(C)C
PubChem CID6327318
Synonyms1,1,1,3,5,7,7,7-Octamethyltetrasiloxane, Tetrasiloxane, 1,1,1,3,5,7,7,7-octamethyl-, Bis(trimethylsiloxy)dimethyldisiloxane, 3H,5H-Octamethyltetrasiloxane, methyl-[methyl(trimethylsilyloxy)-$l^{3}, 1,1,1,3,5,7,7,7-octamethyl-tetrasiloxane, Tetrasiloxane, 1,1,1,3,5,7,7,7-octamethyl-,, 1,1,1,3,5,7,7,7-Octamethyltetrasiloxane, technical, >=95% (GC), methyl-[methyl(trimethylsilyloxy)-$l^{3-silanyl]oxy-trimethylsilyloxysilicon

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS02 Flammable
Flammable
GHS07 Irritant or harmful
Irritant or harmful

Signal word Warning

  • H226Flammable liquid and vapor
  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation

Precautionary statements P210, P233, P240, P241, P242, P243, P261, P264, P264 + P265, P271, P280, P302 + P352, P303 + P361 + P353, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P370 + P378, P403 + P233, P403 + P235, P405

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of 1,1,1,3,5,7,7,7-Octamethyltetrasiloxane, 98%
5 gQuoted on request
25 gQuoted on request
100 gQuoted on request
1 kgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about 1,1,1,3,5,7,7,7-Octamethyltetrasiloxane, 98%

Which CAS number identifies 1,1,1,3,5,7,7,7-Octamethyltetrasiloxane, 98%?
1,1,1,3,5,7,7,7-Octamethyltetrasiloxane, 98% is registered under CAS 16066-09-4. You may also see it listed as 1,1,1,3,5,7,7,7-Octamethyltetrasiloxane, Tetrasiloxane, 1,1,1,3,5,7,7,7-octamethyl-, Bis(trimethylsiloxy)dimethyldisiloxane. Our catalogue number for this item is ZX-010150.
What are the formula and molar mass of 1,1,1,3,5,7,7,7-Octamethyltetrasiloxane, 98%?
For 1,1,1,3,5,7,7,7-Octamethyltetrasiloxane, 98%, its formula is C8H24O3Si4 and its molar mass is 280.61 g/mol. InChIKey OHSYWAVRSCQMHG-UHFFFAOYSA-N lets you match it in any structure database.
What grade and pack sizes are available for 1,1,1,3,5,7,7,7-Octamethyltetrasiloxane, 98%?
This listing is 96% purity. Standard packs are 5 g, 25 g, 100 g, 1 kg. Larger quantities and custom packing can be quoted on request.
Which documents come with 1,1,1,3,5,7,7,7-Octamethyltetrasiloxane, 98%?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship 1,1,1,3,5,7,7,7-Octamethyltetrasiloxane, 98% to my country?
Yes. Because 1,1,1,3,5,7,7,7-Octamethyltetrasiloxane, 98% is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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