Dodecamethylpentasiloxane

Name: Dodecamethylpentasiloxane
Brand: Jinan Shenghe Chemical Co., Ltd.

CAS 141-63-9C12H36O4Si5MW 384.84

Dodecamethylpentasiloxane (CAS No. 141-63-9) is supplied by Jinan Shenghe Chemical Co., Ltd. with a typical purity of 按批次COA提供(不公开发布). Main applications include Organic Chemicals. Bulk quantities are available with COA; purity and packaging are subject to batch COA and order confirmation.

Specifications

CAS Number141-63-9

Molecular FormulaC12H36O4Si5

Molecular Weight384.84

Melting Point-80 °C

Boiling Point230 °C

LogPlog Kow = 9.41

Purity按批次COA提供(不公开发布)

Packaging按订单/批次确认(不公开发布)

ApplicationsOrganic Chemicals

CategoryOrganic Chemicals

Where it is used

Organic Chemicals

Packaging & Supply

Packaging按订单/批次确认(不公开发布)

Purity按批次COA提供(不公开发布)

StorageSealed, cool and dry place

Lead TimeIn stock / per order

Documents & Support

COA provided with every batch; MSDS and technical documents available on request. Email us with product name and CAS number for a quote within one business day.

Frequently Asked Questions

What is the CAS number of Dodecamethylpentasiloxane?

The CAS number of Dodecamethylpentasiloxane is 141-63-9.

What purity and packaging are available?

Typical purity is 按批次COA提供(不公开发布), supplied in 按订单/批次确认(不公开发布), with COA provided.

What are the applications of Dodecamethylpentasiloxane?

Main applications include Organic Chemicals.

How do I buy Dodecamethylpentasiloxane or get a quote?

Email info@591daili.com or reach us on WhatsApp with the product name, CAS number and required quantity; quotes within one business day. Supplier: Jinan Shenghe Chemical Co., Ltd..

PubChem Public Data

Description

Dodecamethylpentasiloxane · CAS 141-63-9 · C12H36O4Si5. UNII 0QDQ2VQ5YJ. Boiling Point: 230 °C; Boiling Point: BP: 229 °C at 710 mm Hg; Melting Point: -80 °C.

Identification

CAS Registry Number	141-63-9
PubChem CID	8853
Molecular formula	C12H36O4Si5
IUPAC name	bis[[dimethyl(trimethylsilyloxy)silyl]oxy]-dimethylsilane
UNII (FDA)	0QDQ2VQ5YJ

Computed Descriptors

Molecular Weight	384.84
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	4
Rotatable Bond Count	8
Exact Mass	384.14599230
Monoisotopic Mass	384.14599230
Topological Polar Surface Area	36.9
Heavy Atom Count	21
Formal Charge	0
Complexity	313

Physical & Chemical Properties

Boiling Point	230 °C
Boiling Point	BP: 229 °C at 710 mm Hg
Melting Point	-80 °C
Solubility	In water, 7.04X10-5 mg/L at 25 °C
Density	0.8755 g/cu cm at 20 °C
LogP	log Kow = 9.41
Heat of Vaporization	50.3 kJ/mol

Physical description & handling notes

Liquid
Liquid; [Merck Index] Colorless odorless liquid; [Acros Organics MSDS]
Colorless liquid
Soluble in carbon tetrachloride, carbon disulfide
Soluble in benzene and higher hydrocarbons; slightly soluble in alcohol and the heavy hydrocarbons
4.50X10-2 mm Hg at 25 °C (extrapolated)

Regulatory Status

GHS notification summary	58.5% (203 / 347)

GHS Hazard Classification

GHS notification summary	58.5% (203 / 347)
Reported hazard statements	H315 (11.5%), H319 (11.5%), H335 (11.5%), H413 (30%), H227

This chemical does not meet GHS hazard criteria for 58.5% (203 of 347) of all reports.

H315 (11.5%): Causes skin irritation [Warning Skin corrosion/irritation]

Documented Uses

Used in extreme-temperature silicone oils/fluids and to suppress foam in petroleum oils; [Merck Index] Used to formulate cosmetics and personal care products, in lubricants, greases, and release agents, to make rubber and plastic products, in non-metal surface treatments, and as a laboratory reagent; [ExPub: ECHA REACH Registrations]
As a basis for silicone oils or fluids designed to withstand extremes of temperature; as a foam suppressant in petroleum lubricating oil.
Not Known or Reasonably Ascertainable
Information on 7 consumer products that contain Dodecamethylpentasiloxane in the following categories is provided:
2023: 1,000,000 - <2,500,000 lb
2022: 2,500,000 - <4,000,000 lb

Synonyms

DODECAMETHYLPENTASILOXANE; 1,1,1,3,3,5,5,7,7,9,9,9-Dodecamethylpentasiloxane; Pentasiloxane, dodecamethyl-; 0QDQ2VQ5YJ; BRN 1792965; UNII-0QDQ2VQ5YJ; EINECS 205-492-2; HSDB 8419; Pentasiloxane, 1,1,1,3,3,5,5,7,7,9,9,9-dodecamethyl-; DTXSID1044803; CHEBI:84272; EC 205-492-2; PENTASILOXANE, DODECAMETHYL; 4-04-00-04124 (Beilstein Handbook Reference); DODECAMETHYLPENTASILOXANE [MI]; Silicone liquid

Frequently Asked Questions

What are the CAS number and molecular formula of Dodecamethylpentasiloxane?

CAS 141-63-9; molecular formula C12H36O4Si5; molecular weight — g/mol.

What other names is Dodecamethylpentasiloxane known by?

DODECAMETHYLPENTASILOXANE, 1,1,1,3,3,5,5,7,7,9,9,9-Dodecamethylpentasiloxane, Pentasiloxane, dodecamethyl-, 0QDQ2VQ5YJ, BRN 1792965, UNII-0QDQ2VQ5YJ.

Is Dodecamethylpentasiloxane classified as hazardous?

58.5% of GHS notifications report no hazard classification (203 of 347).

What are the key physical properties of Dodecamethylpentasiloxane?

Boiling Point: 230 °C; Boiling Point: BP: 229 °C at 710 mm Hg; Melting Point: -80 °C; Solubility: In water, 7.04X10-5 mg/L at 25 °C.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.

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