六甲基环三硅氧烷

Name: 六甲基环三硅氧烷
Brand: 济南圣和化工有限公司

CAS 541-05-9C6H18O3Si3MW 222.46

六甲基环三硅氧烷（CAS 541-05-9）属有机化学品类产品，分子式 C6H18O3Si3，分子量 222.46。济南圣和化工有限公司常年现货供应该产品，常规纯度按批次COA提供(不公开发布)，可按客户需求安排分装包装，欢迎邮件或来电询价。

产品概览

CAS号	541-05-9
分子式	C6H18O3Si3
分子量	222.46
熔点	64.5 °C
沸点	134 °C @760 [mm Hg]
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

六甲基环三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

采购提示：本产品按按订单/批次确认(不公开发布)起订发货，收到货物后请先核对包装完好性再行入库。储存条件为阴凉干燥、密封保存；如需 MSDS 或运输说明，可在询价时一并索取。

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，精选产品齐全，覆盖有机化学品、无机化学品、食品添加剂、医药中间体等多个大类。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

六甲基环三硅氧烷的 CAS 号是多少？

六甲基环三硅氧烷的 CAS 号为 541-05-9。

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。

六甲基环三硅氧烷有什么用途？

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

Hexamethylcyclotrisiloxane · CAS 541-05-9 · C6H18O3Si3. UNII EPV75L8O0R. Boiling Point: 134 °C @760 [mm Hg]; Melting Point: 64.5 °C; Density: 1.12 @25 °C.

Identification

CAS Registry Number	541-05-9
PubChem CID	10914
Molecular formula	C6H18O3Si3
IUPAC name	2,2,4,4,6,6-hexamethyl-1,3,5,2,4,6-trioxatrisilinane
UNII (FDA)	EPV75L8O0R

Computed Descriptors

Molecular Weight	222.46
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	3
Rotatable Bond Count	0
Exact Mass	222.05637404
Monoisotopic Mass	222.05637404
Topological Polar Surface Area	27.7
Heavy Atom Count	12
Formal Charge	0
Complexity	139

Physical & Chemical Properties

Boiling Point	134 °C @760 [mm Hg]
Melting Point	64.5 °C
Density	1.12 @25 °C

Physical description & handling notes

CBI; Liquid
White solid; [EPA - TSCATS] Crystals; [Alfa Aesar MSDS]

Regulatory Status

Regulatory & Food Contact	FDA Cumulative Estimated Daily Intake (CEDI): FCS HEXAMETHYLCYCLOTRISILOXANE (D3) CIR / INCI: Emollient; Solvent; Hair conditioning
GHS notification summary	58.4% (479 / 820)

GHS Hazard Classification

GHS notification summary	58.4% (479 / 820)
Reported hazard statements	H228 (41.6%)

This chemical does not meet GHS hazard criteria for 58.4% (479 of 820) of all reports.

H228 (41.6%): Flammable solid [Danger Flammable solids]

Documented Uses

Cosmetics -> Emollient; Solvent; Hair conditioning
Information on 2 consumer products that contain Hexamethylcyclotrisiloxane in the following categories is provided:
2023: 1,000,000 - <5,000,000 lb
2022: 1,000,000 - <5,000,000 lb
All Other Chemical Product and Preparation Manufacturing
All Other Basic Inorganic Chemical Manufacturing

Synonyms

HEXAMETHYLCYCLOTRISILOXANE; 541-05-9; Cyclotrisiloxane, hexamethyl-; Dimethylsiloxane cyclic trimer; SDK 10; DTXSID6027185; EPV75L8O0R; DC 246; LS 8120; DTXCID307185; RefChem:786203; 208-765-4; 2,2,4,4,6,6-Hexamethyl-1,3,5,2,4,6-trioxatrisilinane; C6H18O3Si3; MFCD00005943; Simethicone Impurity 2

Frequently Asked Questions

What are the CAS number and molecular formula of Hexamethylcyclotrisiloxane?

CAS 541-05-9; molecular formula C6H18O3Si3; molecular weight — g/mol.

What other names is Hexamethylcyclotrisiloxane known by?

HEXAMETHYLCYCLOTRISILOXANE, 541-05-9, Cyclotrisiloxane, hexamethyl-, Dimethylsiloxane cyclic trimer, SDK 10, DTXSID6027185.

What is the regulatory status of Hexamethylcyclotrisiloxane?

Documented regulatory listings: FDA Cumulative Estimated Daily Intake (CEDI): FCS; HEXAMETHYLCYCLOTRISILOXANE (D3); CIR / INCI: Emollient; Solvent; Hair conditioning.

Is Hexamethylcyclotrisiloxane classified as hazardous?

58.4% of GHS notifications report no hazard classification (479 of 820).

What are the key physical properties of Hexamethylcyclotrisiloxane?

Boiling Point: 134 °C @760 [mm Hg]; Melting Point: 64.5 °C; Density: 1.12 @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.