4,4-dimethyl-2,2,6,6-tetraphenyl-3,5-dioxa-2,4,6-trisilaheptane

• ChemBase编号: 134580
• 分子式: C28H32O2Si3
• 平均质量: 484.80898
• 单一同位素质量: 484.17100986
• SMILES: C[Si](C)(O[Si](C)(c1ccccc1)c1ccccc1)O[Si](C)(c1ccccc1)c1ccccc1
• Canonical SMILES: C[Si](O[Si](c1ccccc1)(c1ccccc1)C)(O[Si](c1ccccc1)(c1ccccc1)C)C
• InChI: InChI=1S/C28H32O2Si3/c1-31(2,29-32(3,25-17-9-5-10-18-25)26-19-11-6-12-20-26)30-33(4,27-21-13-7-14-22-27)28-23-15-8-16-24-28/h5-24H,1-4H3
• InChIKey: YFCVAZGXPLMNDG-UHFFFAOYSA-N

名称和登记号

名称

• IUPAC标准名: 4,4-dimethyl-2,2,6,6-tetraphenyl-3,5-dioxa-2,4,6-trisilaheptane
• IUPAC传统名: 4,4-dimethyl-2,2,6,6-tetraphenyl-3,5-dioxa-2,4,6-trisilaheptane
• 别名: Dow Corning® silicone diffusion pump fluids

登记号

• EC号: 222-222-9; 223-620-5
• MDL号: MFCD00053661
• PubChem SID: 162228856; 24868215
• PubChem CID: 19882

理论计算性质

• 质子受体: 2
• 质子供体: 0
• LogD (pH = 5.5): 9.5238
• LogD (pH = 7.4): 9.5238
• Log P: 9.5238
• 摩尔折射率: 128.0492 cm^3
• 极化性: 56.70265 Å^3
• 极化表面积: 18.46 Å^2
• 可自由旋转的化学键: 8
• 里宾斯基五规则: false

分子性质

理化性质

• 沸点: 180 °C/0.5 mmHg; 215 °C/0.5 mmHg; 245 °C/0.5 mmHg
• 闪点: 101 °C; 113 °C; 213.8 °F; 235.4 °F
• 密度: 1.07 g/mL at 25 °C; 1.09 g/mL at 25 °C
• 折射率: n20/D 1.52; n20/D 1.559; n20/D 1.58

安全信息

• 欧盟危险性物质标志: 刺激性(Irritant) (Xi)
• 德国WGK号: 3
• 危险公开号: 36
• 安全公开号: 26; 26-36
• GHS危险品标识: GHS07
• GHS警示词: Warning
• GHS危险声明: H319
• GHS警示性声明: P305 + P351 + P338

产品相关信息

• 线性分子式: [CH3Si(C6H5)2O]2Si(CH3)2

详细说明

Sigma Aldrich - 445983

Application
Single component fluid for ultra high or ultra clean vacuums of 10-9 to 10-10 torr (untrapped) and 10-11 torr (trapped). Very low vapor pressure and back-streaming rate; resistant to oxidation, hydrolysis and radiation.
General description
For high vacuum and for fast pumping of large volumes of gas or vapor in production operations. Chemically and thermally inert fluids. General purpose for pumping large volumes of gas, vacuum range 10-5 to 10-7 torr. Also suitable for use in Aldrich swivel McLeod vacuum gauges.
法律信息
Dow Corning is a registered trademark of The Dow Chemical Company or an affiliated company of Dow

Sigma Aldrich - 446548

Application
General purpose for pumping large volumes of gas, vacuum range 10-5 to 10-7 torr. Also suitable for use in Aldrich swivel McLeod vacuum gauges.
General description
For high vacuum and for fast pumping of large volumes of gas or vapor in production operations. Chemically and thermally inert fluids. General purpose for pumping large volumes of gas, vacuum range 10-5 to 10-7 torr. Also suitable for use in Aldrich swivel McLeod vacuum gauges.
法律信息
Dow Corning is a registered trademark of The Dow Chemical Company or an affiliated company of Dow

Sigma Aldrich - 445975

Application
Single component fluid for high vacuums of 10-6 to 10-8 torr (untrapped) and 10-10 to 10-11 torr (trapped). Offers quick pumpdown.
General description
For high vacuum and for fast pumping of large volumes of gas or vapor in production operations. Chemically and thermally inert fluids. General purpose for pumping large volumes of gas, vacuum range 10-5 to 10-7 torr. Also suitable for use in Aldrich swivel McLeod vacuum gauges.
法律信息
Dow Corning is a registered trademark of The Dow Chemical Company or an affiliated company of Dow