1,3-Dichloro-1,1,3,3-tetramethyldisiloxane , 95% , 2401-73-2

CAS NO.：2401-73-2

Empirical Formula: C4H12Cl2OSi2

Molecular Weight: 203.21

MDL number: MFCD00018088

EINECS: 219-278-1

PRODUCT Properties

• Melting point: -37 °C
• Boiling point: 138 °C (lit.)
• Density: 1.039 g/mL at 25 °C (lit.)
• refractive index: n20/D 1.407(lit.)
• Flash point: 15 °C
• storage temp.: Flammables area
• form: liquid
• Specific Gravity: 1.038
• color: Colorless to Almost colorless
• Water Solubility: Reacts with water.
• Hydrolytic Sensitivity: 8: reacts rapidly with moisture, water, protic solvents
• Sensitive: Moisture Sensitive
• BRN: 1741218
• InChIKey: DMEXFOUCEOWRGD-UHFFFAOYSA-N
• CAS DataBase Reference: 2401-73-2(CAS DataBase Reference)
• EPA Substance Registry System: Disiloxane, 1,3-dichloro-1,1,3,3-tetramethyl- (2401-73-2)

Description and Uses

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.

Safety

• Symbol(GHS): GHS02,GHS05
• Signal word: Danger
• Hazard statements: H225-H314
• Precautionary statements: P210-P233-P240-P280-P303+P361+P353-P305+P351+P338
• Hazard Codes: F,C
• Risk Statements: 11-34
• Safety Statements: 16-26-27-36/37/39-45
• RIDADR: UN 2985 3/PG 2
• WGK Germany: 3
• F: 10-21
• TSCA: Yes
• HazardClass: 3
• PackingGroup: II
• HS Code: 29319090
• Excepted Quantities: Not Permitted as Excepted Quantity