9,9'-Spirobi[9H-9-silafluorene] - ≥97% , CAS No.159-68-2

CAS: 159-68-2 Cat. No.: S161071 Molecular Weight: 332.48 PubChem CID: 135976
AVAILABLE TO ORDER
GRADE & PURITY ≥97%
Synonyms
C24H16Si | NSC143517 | NSC-143517 | 5,5'-Spirobi[dibenzo[b,d]silole] | DTXSID40166553 | 5,5'-Spirobi(dibenzosilole) | 5,5'-Spirobi[dibenzosilole] | 8-SILA-8,8'-SPIROBI[TRICYCLO[7.4.0.0(2),?]TRIDECANE]-1(9),1'(9'),2,2',4,4',6,6',10,10',12,12'-DODECAENE | A
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
250mg
S161071-250mg
6

$16.90

$25.90
Save $9.00 (34.75%)
1g
S161071-1g
5

$54.90

$82.90
Save $28.00 (33.78%)
5g
S161071-5g
2

$202.90

$304.90
Save $102.00 (33.45%)
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Why this grade

≥97% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature Ships Normal Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

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Literature proof

Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
C24H16Si | NSC143517 | NSC-143517 | 5, 5'-Spirobi[dibenzo[b, d]silole] | DTXSID40166553 | 5, 5'-Spirobi(dibenzosilole) | 5, 5'-Spirobi[dibenzosilole] | 8-SILA-8, 8'-SPIROBI[TRICYCLO[7.4.0.0(2), ?]TRIDECANE]-1(9), 1'(9'), 2, 2', 4, 4', 6, 6', 10, 10', 12, 12'-DODECAENE | A
Specifications & Purity
≥97%
Storage
Room temperature
Shipped In
Normal
Purity
≥97%
Names and Identifiers
Pubchem Sid488187837
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488187837
Canonical SmilesC1=CC=C2C(=C1)C3=CC=CC=C3[Si]24C5=CC=CC=C5C6=CC=CC=C46
IUPAC Name5,5'-spirobi[benzo[b][1]benzosilole]
InChIKeyFAMRBROKCVCCCX-UHFFFAOYSA-N
INCHI1S/C24H16Si/c1-5-13-21-17(9-1)18-10-2-6-14-22(18)25(21)23-15-7-3-11-19(23)20-12-4-8-16-24(20)25/h1-16H
Isomeric SMILES C1=CC=C2C(=C1)C3=CC=CC=C3[Si]24C5=CC=CC=C5C6=CC=CC=C46
PubChem CID 135976
Molecular Weight 332.48
Reaxy-Rn 29639

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassBenzenoids
ClassNot available
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentBenzenoids
Alternative Parents Organoheterocyclic compounds  Organosilicon compounds  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents Benzenoid - Organoheterocyclic compound - Hydrocarbon derivative - Organosilicon compound - Aromatic heteropolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as benzenoids. These are aromatic compounds containing one or more benzene rings.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

5 results found

Lot NumberCertificate TypeDateItem
D2315569Certificate of AnalysisMar 08, 2023 S161071
D2315572Certificate of AnalysisMar 08, 2023 S161071
D2315611Certificate of AnalysisMar 08, 2023 S161071
D2317444Certificate of AnalysisMar 08, 2023 S161071
D2317462Certificate of AnalysisMar 08, 2023 S161071
Chemical and Physical Properties
Boil Point(°C)460°C(lit.)
Melt Point(°C)232 °C
Molecular Weight332.500 g/mol
XLogP3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count0
Rotatable Bond Count0
Exact Mass332.102 Da
Monoisotopic Mass332.102 Da
Topological Polar Surface Area0.000 Ų
Heavy Atom Count25
Formal Charge0
Complexity419.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Solution Calculators
Reviews

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