1,3-Dichloro-1,1,3,3-tetramethyldisiloxane
[CAS# 2401-73-2]

Identification

• Classification: Chemical reagent >> Organic reagent >> Siloxane
• Name: 1,3-Dichloro-1,1,3,3-tetramethyldisiloxane
• Synonyms: 1,1,3,3-Tetramethyl-1,3-dichlorodisiloxane; Tetramethyl-1,3-dichlorodisiloxane; 1,3-Dichlorotetramethyldisiloxane; Bis(chlorodimethylsilyl) ether; Bis(chlorodimethylsilyl) oxide
• Molecular Formula: C₄H₁₂Cl₂OSi₂
• Molecular Weight: 203.21
• CAS Registry Number: 2401-73-2
• EC Number: 219-278-1

Properties

• Density: 1.041
• Boiling point: 138 ºC
• Flash point: 33 ºC

Safety Data

• Risk Codes: R11;R34
• Safety Description: S16;S26;S27;S36/37/39;S45

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Skin corrosion	Skin Corr.	1B	H314
Flammable liquids	Flam. Liq.	2	H225
Serious eye damage	Eye Dam.	1	H318
Substances or mixtures corrosive to metals	Met. Corr.	1	H290

• Transport Information: UN 2985