Dodecamethylpentasiloxane

Q: What is Dodecamethylpentasiloxane used for?

Dodecamethylpentasiloxane is primarily used in chemical synthesis, organometallic chemistry, and organosilicon research. It acts as a reagent or intermediate in the creation of complex organosilicon structures.

Q: What is the CAS number and formula for Dodecamethylpentasiloxane?

The CAS number for Dodecamethylpentasiloxane is 141-63-9. Its linear formula is (CH3)3SiO[Si(CH3)2O]3Si(CH3)3.

Q: What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies Dodecamethylpentasiloxane with an assay of 97%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.

Q: How should Dodecamethylpentasiloxane be handled?

Dodecamethylpentasiloxane is classified with warning signal word and hazard statements H315, H319, H335, indicating it causes skin irritation, serious eye irritation, and may cause respiratory irritation. Ensure adequate ventilation and use appropriate personal protective equipment, including eyeshields and gloves. Avoid breathing vapours.

Q: Is Dodecamethylpentasiloxane available for export?

Yes, Tech Serve Solutions exports Dodecamethylpentasiloxane globally. Please contact us for specific shipping and handling information for your region.

Q: How can I request a quote or sample?

To request a quote or a sample of Dodecamethylpentasiloxane, please use the contact form on our website or call our sales department, referencing the product name and CAS number 141-63-9.

CAS 141-63-9(CH3)3SiO[Si(CH3)2O]3Si(CH3)3Chemical Synthesis

Dodecamethylpentasiloxane (CAS: 141-63-9) is a linear silicone fluid with the molecular formula (CH3)3SiO[Si(CH3)2O]3Si(CH3)3 and a molecular weight of 384.84 g/mol. This organosilicon compound exhibits a low viscosity and is primarily utilised in chemical synthesis as a reagent or intermediate. Its properties make it suitable for applications within organometallic chemistry and the broader field of organosilicon research.

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Dodecamethylpentasiloxane ((CH3)3SiO[Si(CH3)2O]3Si(CH3)3) — chemical structure, CAS 141-63-9; Chemistry, fine chemical supplied by Tech Serve Solutions

Chemical SynthesisOrganometallic ReagentsOrganosiliconSiloxanes

01 /Applications

Chemical Synthesis Reagent

Dodecamethylpentasiloxane serves as a valuable reagent in various chemical synthesis pathways. Its siloxane backbone and methyl substituents offer unique reactivity for creating complex organosilicon structures.

Organometallic Chemistry

This compound finds application in organometallic chemistry, potentially as a solvent or reactant in reactions involving metal-organic complexes. Its stability and chemical inertness under certain conditions are advantageous.

Organosilicon Research

As a defined siloxane, dodecamethylpentasiloxane is employed in research focused on silicon-based materials and compounds. It can be used to study siloxane polymerisation or as a building block for novel materials.

02 /Properties

Molecular weight	384.84
Linear formula	(CH3)3SiO[Si(CH3)2O]3Si(CH3)3
Assay	97%
Boiling point	230 °C(lit.)
Density	0.875 g/mL at 25 °C(lit.)
Refractive index	n20/D 1.392(lit.)
Vapour pressure	<1 mmHg (20 °C)
Melting point	−81 °C(lit.)

03 /Safety & handling

GHS hazard pictogram: Harmful / irritant (GHS07) — Harmful / irritant

Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust, fume, gas or vapours
P305IF IN EYES

Protective equipment	Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
Flash point	86 °C / 186.8 °F
Transport (UN / ADR)	NA 1993 / PGIII
Water hazard class (WGK, DE)	3
Hazard codes (EU)	Xi
Risk statements (R)	36/37/38
Safety statements (S)	26-36

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

141-63-9

MDL number

MFCD00039795

PubChem substance

24868328

05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is Dodecamethylpentasiloxane used for?

Dodecamethylpentasiloxane is primarily used in chemical synthesis, organometallic chemistry, and organosilicon research. It acts as a reagent or intermediate in the creation of complex organosilicon structures.

What is the CAS number and formula for Dodecamethylpentasiloxane?

The CAS number for Dodecamethylpentasiloxane is 141-63-9. Its linear formula is (CH3)3SiO[Si(CH3)2O]3Si(CH3)3.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies Dodecamethylpentasiloxane with an assay of 97%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.

How should Dodecamethylpentasiloxane be handled?

Dodecamethylpentasiloxane is classified with warning signal word and hazard statements H315, H319, H335, indicating it causes skin irritation, serious eye irritation, and may cause respiratory irritation. Ensure adequate ventilation and use appropriate personal protective equipment, including eyeshields and gloves. Avoid breathing vapours.

Is Dodecamethylpentasiloxane available for export?

Yes, Tech Serve Solutions exports Dodecamethylpentasiloxane globally. Please contact us for specific shipping and handling information for your region.

How can I request a quote or sample?

To request a quote or a sample of Dodecamethylpentasiloxane, please use the contact form on our website or call our sales department, referencing the product name and CAS number 141-63-9.