CAS 141-63-9 | DODECAMETHYLPENTASILOXANE
Molecular Formula: C12H36O4Si5
Molecular Weight: 384.84
EINECS: 205-492-2
Purity: 97% Min.
Package: 1 g / 5 g / 25 g / 100 g / 1 kg / 25 kg
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Product Introduction
Specification of CAS 141-63-9 | DODECAMETHYLPENTASILOXANE
ITEMS | SPECIFICATION |
Melting point | -81 °C (lit.) |
Merck | 14,3404 |
Fp | 187 °F |
vapor pressure | <1 mm Hg ( 20 °C) |
form | liquid |
EPA Substance Registry System | Pentasiloxane, dodecamethyl- (141-63-9) |
density | 0.875 g/mL at 25 °C (lit.) |
Boiling point | 230 °C (lit.) |
Specific Gravity | 0.876 |
refractive index | n20/D 1.392(lit.) |
Hydrolytic Sensitivity | 1 |
CAS DataBase Reference | 141-63-9(CAS DataBase Reference) |
Synthesis of CAS 141-63-9 | DODECAMETHYLPENTASILOXANE
Conditions
Stage #1: 1,3-diethoxy-1,1,3,3-tetramethyldisiloxane With sodium hydroxide In toluene at 15 - 25℃;
Stage #2: chloro-trimethyl-silane In pentane at -55℃;
Reference
Rebrov; Muzafarov [Heteroatom Chemistry, 2006, vol. 17, # 6, p. 514 - 541]
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