1,3-Dichlorotetramethyldisiloxane, 96%

Description

CAS: 2401-73-2 | C4H12Cl2OSi2 | 203.209 g/mol

1,3-Dichlorotetramethyldisiloxane is used to produce 1,1,3,3-tetramethyl-disiloxane-1,3-diol. It is also used as Chemical Additives. Pharmaceutical intermediates.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
1,3-Dichlorotetramethyldisiloxane is used to produce 1,1,3,3-tetramethyl-disiloxane-1,3-diol. It is also used as Chemical Additives. Pharmaceutical intermediates.

Solubility
Reacts with water.

Notes
Moisture Sensitive. Store away from strong bases and water. Protect from water and humidity. Incompatible with acids, bases and oxidizing agents. Avoid excessive heat and light.

Specifications

Chemical Identifiers

• CAS: 2401-73-2
• Molecular Formula: C4H12Cl2OSi2
• Molecular Weight (g/mol): 203.209
• MDL Number: MFCD00018088
• InChI Key: DMEXFOUCEOWRGD-UHFFFAOYSA-N
• Synonym: 1,3-dichloro-1,1,3,3-tetramethyldisiloxane, 1,3-dichlorotetramethyldisiloxane, disiloxane, 1,3-dichloro-1,1,3,3-tetramethyl, chloro chlorodimethylsilyl oxy dimethylsilane, 1,1,3,3-tetramethyl-1,3-dichlorodisiloxane, acmc-209g7w, oxybis chlorodimethylsilane, sym-dichlorotetramethyldisiloxane, dmexfouceowrgd-uhfffaoysa, 1,3-dichlorotetramethyl disiloxane
• PubChem CID: 75461
• IUPAC Name: chloro-[chloro(dimethyl)silyl]oxy-dimethylsilane
• SMILES: C[Si](C)(O[Si](C)(C)Cl)Cl

• Boiling Point: 136°C to 138°C
• Melting Point: -37°C
• Quantity: 25 g
• UN Number: UN2985
• Beilstein: 1741218
• Flash Point: 15°C (59°F)
• Solubility Information: Reacts with water.
• Formula Weight: 203.22
• Percent Purity: 96%
• Refractive Index: 1.408
• Sensitivity: Moisture sensitive
• Density: 1.039
• Chemical Name or Material: 1,3-Dichlorotetramethyldisiloxane

Safety and Handling

Hazard Category	H225-H314
Hazard Statement	GHS H Statement H225-H314-H318 Highly flammable liquid and vapor. Causes severe skin burns and eye damage. Causes serious eye damage.
Precautionary Statement	P210-P233-P240-P241-P242-P243-P260-P264b-P280-P301+P330+P331-P303+P361+P353-P304+P340-P305+P351+P338-P310-P363-P370+P378q-P501c
DOTInformation	Transport Hazard Class: 3; Packing Group: II; Proper Shipping Name: CHLOROSILANES, FLAMMABLE, CORROSIVE, N.O.S.
EINECSNumber	219-278-1
TSCA	Yes
Recommended Storage	Ambient temperatures

SDS

RUO – Research Use Only