1-Bromo-4-(trimethylsiloxy)benzene - ≥98% , CAS No.17878-44-3

CAS: 17878-44-3 Cat. No.: B167998 Molecular Weight: 245.19 EC Number: 241-831-0
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
EINECS 241-831-0 | 1-BROMO-4-TRIMETHYLSILOXYBENZENE | Benzene, 1-bromo-4-[(trimethylsilyl)oxy]- | NCIOpen2_006153 | InChI=1/C9H13BrOSi/c1-12(2,3)11-9-6-4-8(10)5-7-9/h4-7H,1-3H | (4-Bromophenoxy)trimethylsilane | (4-bromo-phenoxy)-trimethyl-silane | (4-bro
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
5g
B167998-5g
10

$22.90

$34.90
Save $12.00 (34.38%)
25g
B167998-25g
1

$41.90

$62.90
Save $21.00 (33.39%)
100g
B167998-100g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.

$139.90

$209.90
Save $70.00 (33.35%)
Enter a quantity for the sizes you want to add.
🧪

Why this grade

≥98% 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.

📚

Literature proof

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

Overview

1-Bromo-4-(trimethylsiloxy)benzene is a protected phenol.1-Bromo-4-(trimethylsiloxy)benzene 4-(Trimethylsiloxy)bromobenzene;(4-Bromophenoxy)trimethylsilane,

Specifications

Synonyms
EINECS 241-831-0 | 1-BROMO-4-TRIMETHYLSILOXYBENZENE | Benzene, 1-bromo-4-[(trimethylsilyl)oxy]- | NCIOpen2_006153 | InChI=1/C9H13BrOSi/c1-12(2, 3)11-9-6-4-8(10)5-7-9/h4-7H, 1-3H | (4-Bromophenoxy)trimethylsilane | (4-bromo-phenoxy)-trimethyl-silane | (4-bro
Specifications & Purity
≥98%
Storage
Room temperature
Shipped In
Normal
Purity
≥98%
Names and Identifiers
Canonical SmilesC[Si](C)(C)OC1=CC=C(C=C1)Br
IUPAC Name(4-bromophenoxy)-trimethylsilane
InChIKeyHWKPTBHJWBSOOP-UHFFFAOYSA-N
INCHI1S/C9H13BrOSi/c1-12(2,3)11-9-6-4-8(10)5-7-9/h4-7H,1-3H3
Isomeric SMILES C[Si](C)(C)OC1=CC=C(C=C1)Br
Molecular Weight 245.19
Reaxy-Rn 1342373
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1342373&ln=

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.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassBenzenoids
ClassBenzene and substituted derivatives
SubclassPhenoxy compounds
Intermediate Tree Nodes Not available
Direct ParentPhenoxy compounds
Alternative Parents Bromobenzenes  Aryl bromides  Trialkylheterosilanes  Organic metalloid salts  Organooxygen compounds  Organobromides  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Phenoxy compound - Bromobenzene - Halobenzene - Aryl bromide - Aryl halide - Trialkylheterosilane - Organoheterosilane - Organic metalloid salt - Organooxygen compound - Organobromide - Organohalogen compound - Organic oxygen compound - Hydrocarbon derivative - Organosilicon compound - Organic salt - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as phenoxy compounds. These are aromatic compounds contaning a phenoxy group.
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.

4 results found

Lot NumberCertificate TypeDateItem
L2214806Certificate of AnalysisJun 09, 2026 B167998
F2028090Certificate of AnalysisSep 28, 2025 B167998
I2320074Certificate of AnalysisJul 14, 2025 B167998
L2214748Certificate of AnalysisDec 22, 2022 B167998
Chemical and Physical Properties
SensitivityMoisture sensitive
Molecular Weight245.190 g/mol
XLogP3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count1
Rotatable Bond Count2
Exact Mass243.992 Da
Monoisotopic Mass243.992 Da
Topological Polar Surface Area9.200 Ų
Heavy Atom Count12
Formal Charge0
Complexity136.000
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

Customer Reviews

Shall we send you a message when we have discounts available?

Remind me later

Thank you! Please check your email inbox to confirm.

Oops! Notifications are disabled.