Silicone Fluids & Oils Available — Bulk Only

Decamethyltetrasiloxane (MD2M)

MD2M
CAS 141-62-8 · Formula C10H30O3Si4 · MW 310.68 g/mol

Decamethyltetrasiloxane (MD2M) is a linear tetrasiloxane with a viscosity of approximately 2 cSt at 25°C. It is used as an intermediate in silicone polymer production and as a low-viscosity carrier fluid in industrial formulations.

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CAS Number
141-62-8
Formula
C10H30O3Si4
Molecular Weight
310.68 g/mol
Material Family
Silicone Fluids & Oils
At a Glance
Material Family
Silicone Fluids & Oils
Record Type
Pure compound
Primary Role
Solvency · Slip / Release
Physical Properties
Vapor Pressure
0.37
Safety & Handling
Full SDS available on request

A grade-specific Safety Data Sheet (SDS) — with the complete hazard classification, handling precautions, and transport information — is supplied with every shipment and available on request. Confirm all safety and regulatory details against the SDS for your specific grade.

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Chemical Identity
CAS Number
141-62-8
Molecular Formula
C10H30O3Si4
Molecular Weight
310.68 g/mol
IUPAC Name
[dimethyl(trimethylsilyloxy)silyl]oxy-dimethyl-trimethylsilyloxysilane
PubChem CID
InChI Key
YFCGDEUVHLPRCZ-UHFFFAOYSA-N
Synonyms & Trade Names
DECAMETHYLTETRASILOXANE 1,1,1,3,3,5,5,7,7,7-Decamethyltetrasiloxane Tetrasiloxane, decamethyl- Tetrasiloxane, 1,1,1,3,3,5,5,7,7,7-decamethyl- TETRASILOXANE, DECAMETHYL 1,1,1,3,3,5,5,7,7,7Decamethyltetrasiloxane Tetrasiloxane, 1,1,1,3,3,5,5,7,7,7decamethyl decamethyl tetrasiloxane C10H30O3Si4 [dimethyl(trimethylsilyloxy)silyl]oxy-dimethyl-trimethylsilyloxysilane
Full Description

Decamethyltetrasiloxane (MD2M) is a linear tetrasiloxane with a viscosity of approximately 2 cSt at 25°C. It is used as an intermediate in silicone polymer production and as a low-viscosity carrier fluid in industrial formulations.

Frequently Asked Questions

What is Decamethyltetrasiloxane used for?

Decamethyltetrasiloxane (CAS 141-62-8) is a low-viscosity linear silicone fluid used as a volatile carrier and emollient in personal-care formulations and as a heat-transfer and dielectric fluid in industrial applications. It is also used as a low-surface-tension solvent and spreading agent in silicone systems.

What is another name for Decamethyltetrasiloxane?

Decamethyltetrasiloxane is also referred to as MD2M (its silicone shorthand) and as silicone fluid L4. The formula is C10H30O3Si4.

What is the INCI name for Decamethyltetrasiloxane?

In personal-care labeling it appears under its silicone fluid designation; confirm the exact INCI nomenclature and grade against the product technical data sheet before use in a cosmetic formulation. RawSource supplies it within the Silicone Fluids & Oils family.

How is Decamethyltetrasiloxane supplied in bulk?

RawSource supplies Decamethyltetrasiloxane as a low-viscosity silicone fluid in bulk packaging such as drums and totes. Request a current CoA and SDS to confirm grade, viscosity, and specifications.

What is the cost of bulk Decamethyltetrasiloxane?

Bulk pricing depends on grade, volume, and packaging. Request a current bulk quote from RawSource with your target volume and packaging for accurate pricing.

Disclaimer. Information on this page — including properties, identifiers, hazard, transport (DOT/UN) and tariff (HS) classifications, and applications — is provided for general reference and is compiled from authoritative public sources (e.g. PubChem/ECHA, 49 CFR 172.101, the Harmonized Tariff Schedule). Values are typical and are not a guaranteed specification; the Certificate of Analysis (CoA) for the lot purchased governs. Products are sold for industrial and professional use only. Nothing here is a medical, health, or efficacy claim or advice. Always consult the current Safety Data Sheet (SDS) before handling, storage, transport or disposal, and confirm regulatory status, classification and suitability for your application and jurisdiction. Hazard, transport and tariff classifications must be verified for your specific shipment. RawSource makes no warranty, express or implied, and assumes no liability for use of this information. Trademarks. Third-party trademarks and brand names are the property of their respective owners; any reference is nominative — used only to identify a comparable product — and does not imply affiliation with, sponsorship by, or endorsement by the trademark owner.