Hexaphenyldisiloxane
[CAS# 1829-40-9]

Identification

• Classification: Chemical reagent >> Organic reagent >> Siloxane
• Name: Hexaphenyldisiloxane
• Synonyms: Bis(triphenylsilicon) oxide; Bis(triphenylsilyl) ether; Hexaphenyldisiloxane; NSC 12574
• Molecular Formula: C₃₆H₃₀OSi₂
• Molecular Weight: 534.79
• CAS Registry Number: 1829-40-9
• EC Number: 217-381-6

Properties

• Solubility: Insoluble (1.4E^-7 g/L) (25 ºC), Calc.^*
• Density: 0.8445 g/cm³ (20 ºC)^**
• Melting point: 230 ºC (heptane )^***
• Refractive index: 1.6800 (25 ºC)^****

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2018 ACD/Labs)

^** Glushkova, N. E.; Khim. Prakt. Primen. Kremniiorg. Soedin., Tr. Sovesch. 1968, P33-41.

^*** Gerrard, W.; Journal of the Chemical Society 1956, P1536-9.

^**** "Metal-Organics Catalog" physical property data were obtained from Gelest, Inc. of Morrisville, Pennsylvania (US)

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Eye irritation	Eye Irrit.	2	H319
Skin irritation	Skin Irrit.	2	H315
Specific target organ toxicity - single exposure	STOT SE	3	H335