十二甲基五硅氧烷

Name: 十二甲基五硅氧烷
Brand: 济南圣和化工有限公司

CAS 141-63-9C12H36O4Si5MW 384.84

本页收录十二甲基五硅氧烷，CAS 登记号为 141-63-9，分子式 C12H36O4Si5，分子量 384.84，归类于有机化学品。作为主营产品之一，济南圣和化工有限公司可提供从公斤级到吨级的稳定供货，随货附 COA 与质检资料。

产品概览

CAS号	141-63-9
分子式	C12H36O4Si5
分子量	384.84
熔点	-80 °C
沸点	230 °C
LogP	log Kow = 9.41
纯度	按批次COA提供(不公开发布)
包装	按订单/批次确认(不公开发布)
应用领域	有机化学品
类别	有机化学品

应用领域

有机化学品

十二甲基五硅氧烷在有机化学品领域使用广泛。采购前请确认纯度等级与包装形式，以批次 COA 为验收依据。

包装与储存

包装规格按订单/批次确认(不公开发布)

纯度规格按批次COA提供(不公开发布)

储存条件密封、阴凉干燥处保存

运输常规化工运输

样品可协商提供

交期现货/按订单安排

供应说明：十二甲基五硅氧烷常规包装为按订单/批次确认(不公开发布)，储存时应密封置于阴凉干燥处，避免与氧化剂混放。济南圣和化工有限公司支持国内物流发货，大货交期与运费以订单确认为准。

质量与文件

每批产品随货提供 COA（分析证书）；可按需提供 MSDS/技术数据表及第三方检测报告。纯度与包装以批次 COA 及订单确认为准。

关于供应商

济南圣和化工有限公司位于山东济南，主营化工原料供应，精选产品 3,000+ 种，覆盖有机化学品、无机化学品、食品添加剂、医药中间体等 12 大分类。我们随货提供 COA 分析证书，一个工作日内回复报价，欢迎国内外采购方长期合作。

常见问题

十二甲基五硅氧烷的 CAS 号是多少？

十二甲基五硅氧烷的 CAS 号为 141-63-9。

该产品的纯度和包装规格是什么？

常规纯度规格为按批次COA提供(不公开发布)，包装为按订单/批次确认(不公开发布)，随货提供 COA。

十二甲基五硅氧烷有什么用途？

主要应用于有机化学品。

如何购买或获取报价？

请发送邮件至 info@591daili.com 或通过 WhatsApp 联系，注明产品名称、CAS 号与需求数量，一个工作日内回复报价。供应商：济南圣和化工有限公司。

PubChem 公开数据

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.