Bis(4-bromophenyl)diphenylsilane - ≥98%(GC) , CAS No.18733-91-0

CAS: 18733-91-0 Cat. No.: B152955 Molecular Weight: 494.3
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GRADE & PURITY ≥98%(GC)
Storage
Room temperature
Shipped In
Normal
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250mg
B152955-250mg
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1g
B152955-1g
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Why this grade

≥98%(GC) for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

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

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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

Specifications & Purity
≥98%(GC)
Storage
Room temperature
Shipped In
Normal
Purity
≥98%(GC)
Names and Identifiers
Pubchem Sid504758370
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504758370
Canonical SmilesC1=CC=C(C=C1)[Si](C2=CC=CC=C2)(C3=CC=C(C=C3)Br)C4=CC=C(C=C4)Br
IUPAC Namebis(4-bromophenyl)-diphenylsilane
InChIKeyUTEBJTKMYMQRIF-UHFFFAOYSA-N
INCHI1S/C24H18Br2Si/c25-19-11-15-23(16-12-19)27(21-7-3-1-4-8-21,22-9-5-2-6-10-22)24-17-13-20(26)14-18-24/h1-18H
Isomeric SMILES C1=CC=C(C=C1)[Si](C2=CC=CC=C2)(C3=CC=C(C=C3)Br)C4=CC=C(C=C4)Br
Molecular Weight 494.3
Reaxy-Rn 3417415
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=3417415&ln=

Documentation

📋 Safety Data Sheet (SDS)

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

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✅ Certificate of Analysis (COA)

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

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📊 Datasheet

Quick-reference summary of product specifications and applications.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

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Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassBenzenoids
ClassBenzene and substituted derivatives
SubclassHalobenzenes
Intermediate Tree Nodes Not available
Direct ParentBromobenzenes
Alternative Parents Aryl bromides  Organic metalloid salts  Organosilicon compounds  Organobromides  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Bromobenzene - Aryl halide - Aryl bromide - Organic metalloid salt - Hydrocarbon derivative - Organic salt - Organosilicon compound - Organobromide - Organohalogen compound - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as bromobenzenes. These are organic compounds containing a bromine atom attached to a benzene ring.
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.

2 results found

Lot NumberCertificate TypeDateItem
J2113024Certificate of AnalysisJul 10, 2025 B152955
J2113026Certificate of AnalysisJul 10, 2025 B152955
Chemical and Physical Properties
Melt Point(°C)167.0 to 171.0 °C
Molecular Weight494.300 g/mol
XLogP3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count0
Rotatable Bond Count4
Exact Mass493.952 Da
Monoisotopic Mass491.954 Da
Topological Polar Surface Area0.000 Ų
Heavy Atom Count27
Formal Charge0
Complexity397.000
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
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