205389

Hexamethyldisiloxane

≥98%

• Sinônimo(s): HMDSO
• Fórmula linear: (CH₃)₃SiOSi(CH₃)₃
• Número CAS: 107-46-0
• Peso molecular: 162.38
• Beilstein: 1736258
• Número CE: 203-492-7
• Número MDL: MFCD00008265
• Código UNSPSC: 12352103
• ID de substância PubChem: 24852329
• NACRES: NA.22

Propriedades

• densidade de vapor: >1 (vs air)
• Nível de qualidade: 200
• Ensaio: ≥98%
• forma: liquid
• índice de refração: n20/D 1.377 (lit.)
• pb: 101 °C (lit.); 101 °C
• pf: −59 °C (lit.)
• densidade: 0.764 g/mL at 20 °C (lit.)
• cadeia de caracteres SMILES: C[Si](C)(C)O[Si](C)(C)C
• InChI: 1S/C6H18OSi2/c1-8(2,3)7-9(4,5)6/h1-6H3
• chave InChI: UQEAIHBTYFGYIE-UHFFFAOYSA-N

Descrição

Descrição geral

Hexamethyldisiloxane (HMDSO), a linear polydisiloxane, is an organosilicon reagent commonly utilized as a source for plasma enhanced chemical vapor deposition (PE-CVD) of thin films of silicon compounds. It is also employed as a substitute to silane in silicon integrated circuit technology. Its dissociative ionization by electron impact has been studied by Fourier transform mass spectrometry. Synthesis of plasma-polymerized HMDSO thin films by atmospheric pressure glow (APG) discharge has been reported. Crystals of HMDSO at 148K are monoclinic. Addition of HMDSO to P₄S₁₀, improves its efficiency as thionating agent.

Aplicação

Hexamethyldisiloxane can be used:

• To fabricate a gas diffusion layer (GDL) with controlled hydrophobic silicone nano-layer by the dry deposition process.
• To prepare silver nanoparticles coated with silica using arginine and glucose as the catalyst and the reducing agent, respectively.

Informações de segurança

• Pictogramas: GHS02,GHS09
• Palavra indicadora: Danger
• Frases de perigo: H225,H410
• Declarações de precaução: P210 - P233 - P240 - P241 - P242 - P273
• Classificações de perigo: Aquatic Acute 1 - Aquatic Chronic 1 - Flam. Liq. 2
• Código de classe de armazenamento: 3 - Flammable liquids
• Classe de risco de água (WGK): WGK 2
• Ponto de fulgor (°F): 21.2 °F - closed cup
• Ponto de fulgor (°C): -6 °C - closed cup
• Equipamento de proteção individual: Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter