Dimethoxydiphenylsilane - ≥97% , CAS No.6843-66-9

CAS: 6843-66-9 Cat. No.: D292274 Formula: C14H16O2Si Molecular Weight: 244.36 Beilstein Registry Number: 2940458 EC Number: 229-929-1
AVAILABLE TO ORDER
GRADE & PURITY ≥97%
Synonyms
2-[4,7,10-tris(carboxymethyl)-1,4,7,10-tetrazacyclododec-1-yl]acetic acid | NCGC00357261-01 | 1-ethyl-7-[3-(ethylaminomethyl)pyrrolidin-1-yl]-6,8-difluoro-4-oxoquinoline-3-carboxylic acid | dimethoxy(diphenyl)silane | NSC93509 | NSC-93509 | CAS-6843-66-9
Storage
Room temperature,Argon charged
Shipped In
Normal
★
Size
Germany (EU)
USA*
Price
Qty
25ml
D292274-25ml
—
2 In stock
€8.59
100ml
D292274-100ml
—
1 In stock
€9.46
500ml
D292274-500ml
1 In stock
2 In stock
€43.30
Enter a quantity for the sizes you want to add.
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Why this grade

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

🌡

Storage & shipping

Room temperature,Argon charged 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 12 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

Dimethoxydiphenylsilane (DMDPS, DDS) is an acetylating reagent


Application
DMDPS may be useful as a precursor to prepare silica;
It may be used in lithium ion batteries as an electrolyte additive;
It prevents the batteries from overcharging;
Reagent for preparation of diphenylsilylene derivatives of diols by exchange;

Specifications

Synonyms
2-[4,7,10-tris(carboxymethyl)-1,4,7,10-tetrazacyclododec-1-yl]acetic acid | NCGC00357261-01 | 1-ethyl-7-[3-(ethylaminomethyl)pyrrolidin-1-yl]-6,8-difluoro-4-oxoquinoline-3-carboxylic acid | dimethoxy(diphenyl)silane | NSC93509 | NSC-93509 | CAS-6843-66-9
Specifications & Purity
≥97%
Storage
Room temperature,Argon charged
Shipped In
Normal
Purity
≥97%
Names and Identifiers
Pubchem Sid
Pubchem Sid Url
https://pubchem.ncbi.nlm.nih.gov/substance/528769756
Canonical Smiles
CO[Si](C1=CC=CC=C1)(C2=CC=CC=C2)OC
IUPAC Name
dimethoxy(diphenyl)silane
InChIKey
AHUXYBVKTIBBJW-UHFFFAOYSA-N
INCHI
1S/C14H16O2Si/c1-15-17(16-2,13-9-5-3-6-10-13)14-11-7-4-8-12-14/h3-12H,1-2H3
Isomeric SMILES
CO[Si](C1=CC=CC=C1)(C2=CC=CC=C2)OC
WGK Germany
2
RTECS
VV3643332
Molecular Weight
244.36
Beilstein
2940458
Reaxy-Rn
2940458
Reaxys-RN_link_address
https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=2940458&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
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentBenzene and substituted derivatives
Alternative Parents Alkoxysilanes  Silyl ethers  Organoheterosilanes  Organic metalloid salts  Organooxygen compounds  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Monocyclic benzene moiety - Alkoxysilane - Silyl ether - Organoheterosilane - Organic metalloid salt - Organic oxygen compound - Hydrocarbon derivative - Organic salt - Organosilicon compound - Organooxygen compound - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as benzene and substituted derivatives. These are aromatic compounds containing one monocyclic ring system consisting of benzene.
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.

16 results found

Lot NumberCertificate TypeDateItem
F2129174Certificate of AnalysisSep 21, 2026 D292274
B2311558Certificate of AnalysisJul 30, 2026 D292274
B2311560Certificate of AnalysisJul 30, 2026 D292274
B2626351Certificate of AnalysisMar 04, 2026 D292274
B2626352Certificate of AnalysisMar 04, 2026 D292274
B2626355Certificate of AnalysisMar 04, 2026 D292274
D2530117Certificate of AnalysisMay 10, 2025 D292274
D2530118Certificate of AnalysisMay 10, 2025 D292274
D2530145Certificate of AnalysisMay 10, 2025 D292274
C2507081Certificate of AnalysisMar 11, 2025 D292274
F2129175Certificate of AnalysisJan 14, 2025 D292274
B2311555Certificate of AnalysisNov 18, 2024 D292274
F2129177Certificate of AnalysisApr 12, 2023 D292274
B2311523Certificate of AnalysisJan 12, 2023 D292274
B2311561Certificate of AnalysisDec 02, 2022 D292274
D2418073Certificate of AnalysisDec 02, 2022 D292274
Chemical and Physical Properties
SensitivityMoisture sensitive.
Refractive Index1.545
Flash Point(°F)249.8 °F
Flash Point(°C)121 °C
Boil Point(°C)161 °C/15mmHg
Molecular Weight244.360 g/mol
XLogP3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count2
Rotatable Bond Count4
Exact Mass244.092 Da
Monoisotopic Mass244.092 Da
Topological Polar Surface Area18.500 Ų
Heavy Atom Count17
Formal Charge0
Complexity196.000
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
Documents & Articles
Citations of This Product
Solution Calculators
Reviews

Customer Reviews

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