Research chemical
tert-Butyl(3-butynyloxy)diphenylsilane
CAS Number: 88158-68-3

Product details
Identity & specification
- Molecular formula
- C20H24OSi
- Molecular weight
- 308.5 g/mol
- Product type
- Research-use catalog compound
- Documentation
- COA / SDS available by request
For laboratory research and professional procurement workflows.
Technical identifiers
Show PubChem, InChIKey, IUPAC, and SMILES
PubChem CID
613593
Exact Mass
308.159642
InChIKey
KVUMNOYKAMFTTN-UHFFFAOYSA-N
IUPAC Name
tert-butyl-but-3-ynoxy-diphenylsilane
SMILES String
C#CCCO[Si](c1ccccc1)(c1ccccc1)C(C)(C)C
Physical Properties
No physical property values available.
Properties are provided as catalog reference data and may be confirmed through supplier documentation when required.
Computed Structure Descriptors
Show calculated structure fields
Heavy atom count
22
H-bond acceptors
1
H-bond donors
0
Rotatable bonds
5
Ring count
2
Aromatic rings
2
Topological polar surface area
9.23 Ų
Computed LogP
3.59
Fragment-like structure rule
No
Lead-like structure rule
Yes
Drug-like structure rule
Yes
Structure family
other structure rule
Precious metal motif
No
Transition metal motif
No
Phosphine ligand motif
No
N-heterocycle motif
No
Boronic acid motif
No
Computed structure descriptors generated from molecular structure. These are not experimental physical property values, supplier specifications, SDS data, or bioactivity claims.
Catalog Facts
Structural features
tert-Butyl(3-butynyloxy)diphenylsilane (CAS 88158-68-3) is listed in the Pharmaceutical Intermediates portfolio, with molecular formula C20H24OSi and molecular weight 308. 50 g/mol.
Sourcing context
Catalog reference for RFQ preparation, supplier confirmation, and research chemical sourcing review.
Research use context
Intended for research-stage medicinal chemistry and intermediate synthesis workflows.
Documentation needs
SDS signal word: Warning; hazard codes: H302, H315, H319; For research use only.
Applications & Classification
Safety & Handling
Handling & Storage
- Keep container tightly closed and dry.
- Store in a well-ventilated place.
- Avoid contact with skin and eyes.
PPE
First Aid
- Do not give anything to an unconscious person.
- Rinse mouth with water.
Stability / Reactivity
- Reactivity and stability.
- Carbon monoxide, carbon dioxide, silicon oxides.
Disposal
- Dispose of remaining and non-recyclable solutions to a licensed company.
- Contact a professional agency with waste disposal license to handle this substance.
Show additional safety reference fields
Accidental Release
- Do not generate dust when collecting and disposing.
- Sweep and shovel up.
For supplier-issued SDS, request documentation before handling, storage, shipment, or procurement decisions.
Preliminary Safety Reference
For supplier-issued SDS or COA, submit a documentation request.
Safety Reference / SDS RequestProcurement notes
Sourcing context and documentation notes
Show details
Procurement notes
Sourcing context and documentation notes
MolGraph uses public price and availability evidence as a starting point, then confirms current stock, quotation, COA/SDS, lot specification, lead time, and shipment documentation before final acceptance.
Package and specification
Use the quote panel for visible public options. Additional quantities or specifications can be reviewed by RFQ.
Final lot confirmation
Purity, lot identity, and batch-specific documentation are confirmed before procurement decisions.
Supply documentation
Supplier-issued COA and SDS can be requested before handling, storage, shipment, or procurement decisions.
Quotation review
Final quote depends on quantity, lead time, destination, and supplier confirmation.
Procurement questions
Is CAS 88158-68-3 in stock?
tert-Butyl(3-butynyloxy)diphenylsilane is in stock. Estimated delivery: 5–9 business days. Submit an RFQ to confirm final price, lot specification, documentation, and destination-specific shipping terms.
How is the final price confirmed?
The page shows a public reference price in the quote panel. Submit an RFQ to confirm current price, quantity breaks, lead time, and destination-specific shipping requirements.
Can MolGraph provide COA or SDS for CAS 88158-68-3?
Yes. Supplier-issued COA and SDS can be requested during the RFQ workflow. Lot-specific documents depend on supplier and batch confirmation.