((1,1-Dimethyl-2-propynyl)oxy)trimethylsilane

HCID 87344

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Basic information

CAS: 17869-77-1
Standard SMILES: C#CC(C)(C)O[Si](C)(C)C
InChIKey: JNRUXZIXAXHXTN-UHFFFAOYSA-N
Molecular formula: C8H16OSi
Average molar mass: 156.3 g/mol
Monoisotopic mass: 156.09704166

Names & identifiers

Preferred name: ((1,1-Dimethyl-2-propynyl)oxy)trimethylsilane
IUPAC: trimethyl(2-methylbut-3-yn-2-yloxy)silane
English name: 3-Methyl-3-trimethylsilyloxy-1-butyne
Molecular formula: C8H16OSi
Molecular weight: 156.3

Names & synonyms

17869-77-13-METHYL-3-TRIMETHYLSILYLOXY-1-BUTYNE[(1,1-Dimethyl-2-propynyl)oxy]trimethylsilaneEINECS 241-823-7((1,1-Dimethyl-2-propynyl)oxy)trimethylsilaneY99V7Z7VXG[(1,1-Dimethyl-2-propyn-1-yl)oxy]trimethylsilaneDTXSID901705243-methyl-3-(trimethylsiloxy)-1-butyne1,1-DIMETHYLPROPARGYL TRIMETHYLSILYL ETHER(2-METHYL-3-BUTYN-2-YLOXY)TRIMETHYLSILANE3-METHYL-1-BUTYN-3-YL TRIMETHYLSILYL ETHER

Show more names

DK5983-METHYL-3-TRIMETHYLSILYLOXY-1-BUTY3-methyl-3-trimethylsiloxy-1-butyne3-(Trimethylsiloxy)-3-methyl-1-butyne1,1-DIMETHYLPROPYNYLOXYTRIMETHYLSILANErimethyl(2-methylbut-3-yn-2-yloxy)silane(1,1-Dimethylpropargyloxy)]trimethylsilane

TRIMETHYL(2-METHYL-3-BUTYN-2-YLOXY)SILANETRIMETHYL(1,1-DIMETHYL-2-PROPYNYLOXY)SILANE((1,1-DIMETHYL-2-PROPYN-1-YL)OXY)TRIMETHYLSILANERefChem:389438DTXCID4093015241-823-7trimethyl(2-methylbut-3-yn-2-yloxy)silanetrimethyl[(2-methylbut-3-yn-2-yl)oxy]silane

Database identifiers

CAS: 17869-77-1
PubChem CID: 87344
DTXSID: DTXSID90170524
UNII: Y99V7Z7VXG
EC Number: 241-823-7
Nikkaji: J123.970H

Properties

Computed structural properties

Topological polar surface area: 9.2 Å²
Hydrogen bond donors: 0
Hydrogen bond acceptors: 1
Rotatable bonds: 3
Heavy atoms: 10
Formal charge: 0
Complexity: 156

Physicochemical properties

Melting point: 42 · 42-42.5 °C
Boiling point: 115 · 115-116 °C(lit.)
Density: 0.806 g/mL · 0.806 g/mL at 25 °C(lit.)
refractive index: 20 · n20/D 1.404(lit.)
Flash point: 30 °F · 30 °F
form: Liquid
Specific Gravity: 0.808 · 0.808
InChI: 1S/C8H16OSi/c1-7-8(2,3)9-10(4,5)6/h1H,2-6H3
InChIKey: JNRUXZIXAXHXTN-UHFFFAOYSA-N
SMILES: CC(C)(O[Si](C)(C)C)C#C
FDA UNII: 99 V7Z7VXG · Y99V7Z7VXG
UNSPSC Code: 12352100 · 12352100
NACRES: 22 · NA.22
Symbol(GHS): 2 · GHS02
Signal word: Danger
Hazard statements: 225 · H225
Precautionary statements: 210 · P210
PPE: Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
Hazard Codes: F
Risk Statements: 11 · 11
Safety Statements: 16 · 16-36
RIDADR: 1993 · UN 1993 3/PG 2
WGK Germany: 3 · 3
HazardClass: 3 · 3
PackingGroup: III
HS Code: 29319090 · 29319090
Storage Class: 3 · 3 - Flammable liquids
Hazard Classifications: 2 · Flam. Liq. 2

Safety & regulation

GHS classification

GHS Classification · 4 items

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 44 reports by companies from 2 notifications to the ECHA C&L Inventory.

Hazard information

Hazard Classes and CategoriesFlam. Liq. 2 (100%)

Safety data

PPE: Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
wgk: 3
ridadr: UN 1993 3/PG 2
hs_code: 29319090
risk_code: 11
Signal word: Danger
Symbol(GHS): GHS02
hazard_code: F
safety_code: 16-36
hazard_class: 3
Storage Class: 3 - Flammable liquids
packing_group: III
Hazard statements: H225
Hazard Classifications: Flam. Liq. 2
Precautionary statements: P210

Chemistry & industry

Applications

Uses[(1,1-Dimethyl-2-propynyl)oxy]trimethylsilane is also known as trimethyl[(2-methyl-3-butyn-2-yl)oxy]silane. Its enthalpy of vaporization at boiling point has been reported.

General Description[(1,1-Dimethyl-2-propynyl)oxy]trimethylsilane is also known as trimethyl[(2-methyl-3-butyn-2-yl)oxy]silane. Its enthalpy of vaporization at boiling point has been reported.