1,1,3,3-Tetramethoxy-1,3-dimethyldisiloxane
Basic information
- CAS
18186-97-5- Standard SMILES
CO[Si](C)(OC)O[Si](C)(OC)OC- InChIKey
JWVHPGDCFVOYMQ-UHFFFAOYSA-N- Molecular formula
- C6H18O5Si2
- Average molar mass
- 226.37 g/mol
- Monoisotopic mass
- 226.06927674
Names & identifiers
- Preferred name
- 1,1,3,3-Tetramethoxy-1,3-dimethyldisiloxane
- IUPAC
- [dimethoxy(methyl)silyl]oxy-dimethoxy-methylsilane
- English name
- 1,3-Dimethyltetramethoxydisiloxane
- Molecular formula
- C6H18O5Si2
- Molecular weight
- 226.38
Names & synonyms
18186-97-51,1,3,3-Tetramethoxy-1,3-dimethyldisiloxaneEINECS 242-072-8DTXSID60939483RefChem:70934DTXCID601367978242-072-81,3-DIMETHYLTETRAMETHOXYDISILOXANE[dimethoxy(methyl)silyl]oxy-dimethoxy-methylsilaneDisiloxane, 1,1,3,3-tetramethoxy-1,3-dimethyl-3,5-dimethoxy-3,5-dimethyl-2,4,6-trioxa-3,5-disilaheptane1,1,3,3-tetramethoxy-1,3-dimethyl-disiloxane
Show more names
DK159DKSI128dimethyltetramethoxydisiloxane1,3-dimethyl-1,1,3,3-tetramethoxyTETRAMETHOXY-1,3-DIMETHYLDISILOXANE1 3-DIMETHYLTETRAMETHOXYDISILOXANE 97%1,1,3,3-Tetramethoxy-1,3-dimethyldisiloxan1,3-Dimethyl-1,1,3,3-Tetramethoxy Disiloxane
MFCD00040017C6H18O5Si2SCHEMBL628831AKOS015913591AS-91987DB-044446NS000554161,3-dimethyl-1,1,3,3-tetramethoxydisiloxane
Database identifiers
- CAS
18186-97-5- PubChem CID
- 87496
- DTXSID
DTXSID60939483- EC Number
- 242-072-8
- Nikkaji
- J266.047D
Properties
Computed structural properties
- Topological polar surface area
- 46.2 Ų
- Hydrogen bond donors
- 0
- Hydrogen bond acceptors
- 5
- Rotatable bonds
- 6
- Heavy atoms
- 13
- Formal charge
- 0
- Complexity
- 130
Experimental & physicochemical properties
SpringerMaterials PropertiesViscosity
Physicochemical properties
- Melting point
- 0 °C · <0°C
- Boiling point
- 165 °C · 165 °C(lit.)
- Density
- 1.01 g/mL · 1.01 g/mL at 25 °C(lit.)
- refractive index
- 20 · n20/D 1.384(lit.)
- Flash point
- 86 °F · 86 °F
- Specific Gravity
- 1.01 · 1.01
- Hydrolytic Sensitivity
- 7 · 7: reacts slowly with moisture/water
- InChI
- InChI=1S/C6H18O5Si2/c1-7-12(5,8-2)11-13(6,9-3)10-4/h1-6H3
- InChIKey
- JWVHPGDCFVOYMQ-UHFFFAOYSA-N
- SMILES
- [Si](OC)(OC)(C)O[Si](OC)(OC)C
- Symbol(GHS)
- 2 · GHS02
- Signal word
- Warning
- Hazard statements
- 226 · H226
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
H226 (100%): Flammable liquid and vapor [Warning Flammable liquids]
P210, P233, P240, P241, P242, P243, P280, P303+P361+P353, P370+P378, P403+P235, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 39 reports by companies from 1 notifications to the ECHA C&L Inventory.
Hazard information
Regulatory InformationChemical: Disiloxane, 1,1,3,3-tetramethoxy-1,3-dimethyl-
Hazard Classes and CategoriesFlam. Liq. 3 (100%)
Safety & protection
Protective Action Criteria (PAC)
30 [mg/m3]
330 [mg/m3]
2000 [mg/m3]
Safety data
- wgk
- 3
- tsca
- Yes
- ridadr
- UN 1993 3/PG 3
- risk_code
- 10
- Signal word
- Warning
- Symbol(GHS)
- GHS02
- safety_code
- 16
- hazard_class
- 3.2
- packing_group
- III
- Hazard statements
- H226
Chemistry & industry
Upstream & downstream products
Upstream raw materials
Downstream products
Suppliers
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Related reactions
1 records
Compound notes
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