Hexaethyldisiloxane
Basic information
- CAS
994-49-0- Standard SMILES
CC[Si](CC)(CC)O[Si](CC)(CC)CC- InChIKey
WILBTFWIBAOWLN-UHFFFAOYSA-N- Molecular formula
- C12H30OSi2
- Average molar mass
- 246.54 g/mol
- Monoisotopic mass
- 246.18351865
Names & identifiers
- Preferred name
- Hexaethyldisiloxane
- IUPAC
- triethyl(triethylsilyloxy)silane
- English name
- Hexaethyldisiloxane
- Molecular formula
- C12H30OSi2
- Molecular weight
- 246.54
Names & synonyms
Hexaethyldisiloxane1,1,1,3,3,3-HexaethyldisiloxaneDisiloxane, hexaethyl-Bis(triethylsilyl) etherS8VL2C7PE4Disiloxane, 1,1,1,3,3,3-hexaethyl-EINECS 213-619-8UNII-S8VL2C7PE4NSC 139841NSC-139841DTXSID1061362RefChem:145997
Show more names
DK961DKSI214hexaethyl-disiloxanOxybis(triethylsilane)Bis(triethylsilyl) oxideHexaethyldisiloxane, 99%,
DTXCID8049125213-619-8WILBTFWIBAOWLN-UHFFFAOYSA-N994-49-0triethyl(triethylsilyloxy)silaneHEXAETHYL DISILOXANEMFCD00026693Triethylsilyl Ether
Database identifiers
- CAS
994-49-0- PubChem CID
- 70442
- DTXSID
DTXSID1061362- UNII
- S8VL2C7PE4
- EC Number
- 213-619-8
- Nikkaji
- J125.138D
Properties
Computed structural properties
- Topological polar surface area
- 9.2 Ų
- Hydrogen bond donors
- 0
- Hydrogen bond acceptors
- 1
- Rotatable bonds
- 8
- Heavy atoms
- 15
- Formal charge
- 0
- Complexity
- 128
Experimental & physicochemical properties
SpringerMaterials Properties29Si nuclear magnetic resonance spectrum
Physicochemical properties
- Melting point
- -115 °C · -115°C
- Boiling point
- 231 °C · 231 °C
- Density
- 0.844 · 0.844
- refractive index
- 1.433 · 1.4330
- Flash point
- 87 °C · 87°C
- storage temp.
- Sealed in dry,Room Temperature
- Specific Gravity
- 0.844 · 0.844
- Appearance
- Colorless to light yellow Liquid
- Water Solubility
- Not miscible or difficult to mix with water.
- Hydrolytic Sensitivity
- 1 · 1: no significant reaction with aqueous systems
- BRN
- 1750865 · 1750865
- InChI
- InChI=1S/C12H30OSi2/c1-7-14(8-2,9-3)13-15(10-4,11-5)12-6/h7-12H2,1-6H3
Safety & regulation
Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.
GHS classification
GHS Classification
Warning
H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 2 reports by companies from 2 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Hazard information
Hazard Classes and CategoriesSkin Irrit. 2 (100%)
Safety data
- tsca
- TSCA listed
- risk_code
- 36/37/38
- Signal word
- Warning
- Symbol(GHS)
- GHS07
- safety_code
- 26-36/37/39-24/25-23
- Hazard statements
- H227
- Precautionary statements
- P210e-P280a-P370+P378a-P403+P235-P501a
Chemistry & industry
Uses & manufacturing
General Manufacturing InformationDisiloxane, 1,1,1,3,3,3-hexaethyl-: ACTIVE
Applications
UsesHexaethyldisiloxane is used as a pharmaceutical intermediate.
Upstream & downstream products
Downstream products
Suppliers
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Related reactions
9 records
Compound notes
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