(Pentamethyldisilyl)acetylene
Basic information
- CAS
63247-94-9- Standard SMILES
C#C[Si](C)(C)[Si](C)(C)C- InChIKey
YJKJAVGMVVVJPZ-UHFFFAOYSA-N- Molecular formula
- C7H16Si2
- Average molar mass
- 156.37 g/mol
- Monoisotopic mass
- 156.07905358
Names & identifiers
- Preferred name
- (Pentamethyldisilyl)acetylene
- IUPAC
- ethynyl-dimethyl-trimethylsilylsilane
- English name
- (Pentamethyldisilyl)acetylene 97
- Molecular formula
- C7H16Si2
- Molecular weight
- 156.37
Names & synonyms
(Pentamethyldisilyl)acetylene63247-94-9DTXSID50391192RefChem:210714DTXCID00342053622-337-8ethynyl-dimethyl-trimethylsilylsilane1-ETHYNYL-1,1,2,2,2-PENTAMETHYLDISILANESCHEMBL18184261MFCD03427185SY457938Disilane, ethynylpentamethyl-
Show more names
(Pentamethyldisilyl)acetylene 97Disilane, 1-ethynyl-1,1,2,2,2-pentamethyl-
Database identifiers
- CAS
63247-94-9- PubChem CID
- 3298367
- DTXSID
DTXSID50391192- EC Number
- 622-337-8
- Nikkaji
- J316.655D
Properties
Computed structural properties
- Topological polar surface area
- 0 Ų
- Hydrogen bond donors
- 0
- Hydrogen bond acceptors
- 0
- Rotatable bonds
- 2
- Heavy atoms
- 9
- Formal charge
- 0
- Complexity
- 142
Physicochemical properties
- Boiling point
- 125 °C · 125 °C(lit.)
- Density
- 0.795 g/mL · 0.795 g/mL at 25 °C(lit.)
- refractive index
- 20 · n20/D 1.4410(lit.)
- Flash point
- 54 °F · 54 °F
- Symbol(GHS)
- 2 · GHS02
- Signal word
- Danger
- Hazard statements
- 225 · H225
- Precautionary statements
- 210 · P210
- Hazard Codes
- F
- Risk Statements
- 11 · 11
- Safety Statements
- 16 · 16-33
- RIDADR
- 1993 · UN 1993 3/PG 1
- WGK Germany
- 3 · 3
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
Danger
H225 (100%): Highly Flammable liquid and vapor [Danger 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
Hazard Classes and CategoriesFlam. Liq. 2 (100%)
Safety data
- wgk
- 3
- ridadr
- UN 1993 3/PG 1
- risk_code
- 11
- Signal word
- Danger
- Symbol(GHS)
- GHS02
- hazard_code
- F
- safety_code
- 16-33
- Hazard statements
- H225
- Precautionary statements
- P210
Related reactions
0 records
No reaction records under the current filter.
Compound notes
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