Dimethoxydiphenylsilane(DMDPS) - ≥98% , CAS No.6843-66-9

CAS: 6843-66-9 Cat. No.: D107998 Molecular Weight: 244.36 Beilstein Registry Number: 2940458 EC Number: 229-929-1
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
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,Cool
Shipped In
Normal
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Size
Status
Price
Qty
25ml
D107998-25ml
4
$10.90
100ml
D107998-100ml
3
$17.90
500ml
D107998-500ml
2
$71.90
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Why this grade

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

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Storage & shipping

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

Overview

Dimethoxydiphenylsilane (DMDPS, DDS) is an acetylating reagent.
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.

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
≥98%
Storage
Room temperature, Argon charged, Cool
Shipped In
Normal
Purity
≥98%
Names and Identifiers
Pubchem Sid488185945
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488185945
Canonical SmilesCO[Si](C1=CC=CC=C1)(C2=CC=CC=C2)OC
IUPAC Namedimethoxy(diphenyl)silane
InChIKeyAHUXYBVKTIBBJW-UHFFFAOYSA-N
INCHI1S/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.

26 results found

Lot NumberCertificate TypeDateItem
B2626349Certificate of AnalysisFeb 03, 2026 D107998
B2626353Certificate of AnalysisFeb 03, 2026 D107998
B2626354Certificate of AnalysisFeb 03, 2026 D107998
B2626356Certificate of AnalysisFeb 03, 2026 D107998
F2617063Certificate of AnalysisFeb 03, 2026 D107998
K2506078Certificate of AnalysisNov 11, 2025 D107998
A2415183Certificate of AnalysisOct 13, 2025 D107998
D2530143Certificate of AnalysisApr 19, 2025 D107998
D2530144Certificate of AnalysisApr 19, 2025 D107998
D2530158Certificate of AnalysisApr 19, 2025 D107998
B2314260Certificate of AnalysisNov 19, 2024 D107998
B2314262Certificate of AnalysisNov 19, 2024 D107998
B2314264Certificate of AnalysisNov 07, 2024 D107998
B2314261Certificate of AnalysisNov 07, 2024 D107998
L2411443Certificate of AnalysisJul 03, 2024 D107998
L2411440Certificate of AnalysisJul 03, 2024 D107998
F2220015Certificate of AnalysisMar 21, 2024 D107998
F2218467Certificate of AnalysisMar 21, 2024 D107998
F2218466Certificate of AnalysisMar 21, 2024 D107998
D1808073Certificate of AnalysisAug 02, 2023 D107998
G2114258Certificate of AnalysisApr 17, 2023 D107998
G2114259Certificate of AnalysisApr 17, 2023 D107998
G2114260Certificate of AnalysisApr 17, 2023 D107998
G2402122Certificate of AnalysisJan 12, 2023 D107998
F2220005Certificate of AnalysisMar 21, 2022 D107998
H2315302Certificate of AnalysisMar 21, 2022 D107998

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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
References
1. Ruizhe Xing, Guoxuan Xu, Ning Qu, Rui Zhou, Jiayi Yang, Jie Kong.  (2023)  3D Printing of Liquid-Metal-in-Ceramic Metamaterials for High-Efficient Microwave Absorption.  ADVANCED FUNCTIONAL MATERIALS,      [PMID:] [10.1002/adfm.202307499]
2. Zongsheng Liu, Meng Ma, Bangdong Ge, Yi Zheng, Si Chen, Yanqin Shi, Huiwen He, Yulu Zhu, Xu Wang.  (2023)  Toward flame-retardant, transparency, and high mechanical property of polycarbonate based on low addition of linear polyborosiloxane.  CHEMICAL ENGINEERING JOURNAL,      [PMID:] [10.1016/j.cej.2023.145799]
3. Zhiqiang Tang, Yanxia Liu, Yagang Zhang, Zicai Sun, Weidong Huang, Zhikai Chen, Xiaoli Jiang, Lin Zhao.  (2023)  Design and Synthesis of Functional Silane-Based Silicone Resin and Application in Low-Temperature Curing Silver Conductive Inks.  Nanomaterials,  13  (6): (1137).  [PMID:36986031] [10.3390/nano13061137]
4. Shengjie Guan, Fan Wu, Qian Wu, Zhichao He, Jing Jiang, Yudong Huang, Li Liu.  (2022)  The preparation of rigid hybrid silicone resins by combining carbon nanomaterial loading nanoparticles.  POLYMER COMPOSITES,  43  (10): (7551-7563).  [PMID:] [10.1002/pc.26854]
5. Qingtao Niu, Manman Jin, Aihua He, Tielong Chen, Guodong Liu, Chongdian Si.  (2021)  Effect of external electron donor on stereoselective Copolymerization of isoprene and butadiene with MgCl2-Supported Ziegler-Natta catalyst.  POLYMER,      [PMID:] [10.1016/j.polymer.2021.124207]
6. Yaoyuan Xu, Jun Long, Runze Zhang, Yunzhe Du, Shengjie Guan, Yuying Wang, Lingyun Huang, Hongwei Wei, Li Liu, Yudong Huang.  (2020)  Greatly improving thermal stability of silicone resins by modification with POSS.  POLYMER DEGRADATION AND STABILITY,      [PMID:] [10.1016/j.polymdegradstab.2020.109082]
7. Quan Yuan, Liwei Yan, Jinfeng Tian, Weiyi Ding, Zhengguang Heng, Mei Liang, Yang Chen, Huawei Zou.  (2024)  Ceramization of coordinated Zr4+ and Hf4+ in polysiloxane conferring silicone/phenolic hybrid resin with excellent thermal protection.  POLYMER,      [PMID:] [10.1016/j.polymer.2024.127089]
8. Quan Yuan, Liwei Yan, Jinfeng Tian, Yang Chen, Huawei Zou.  (2024)  Improved ablation resistance of silicone/phenolic hybrid resin coatings with Zr-Si-O glass as anti-ablation layer.  PROGRESS IN ORGANIC COATINGS,      [PMID:] [10.1016/j.porgcoat.2024.108657]
9. Jinlu Han, Jing Mei, Dequan Huang, Kai Pan, Yuqian Zhang, Zhuang Xu, Fenghua Zheng, Juantao Jiang, Yahao Li, Youguo Huang, Hongqiang Wang, Qingyu Li.  (2024)  SiO2 bridged AlN/methylphenyl silicone resin composite with integrated superior insulating property, high-temperature resistance, and high thermal conductivity.  JOURNAL OF COLLOID AND INTERFACE SCIENCE,      [PMID:38295706] [10.1016/j.jcis.2024.01.186]
10. Cong Wu, Bing Yin, Pan Wang, Jizhou Chen, Yongmin Zhang, Haibao Feng, Kai Pang, Dongshuai Hou.  (2024)  Tunable Dual Self-Healing Composite Coatings with Self-Assembled Structures Regulated by Janus Nanoparticles.  ACS Applied Materials & Interfaces,      [PMID:39014541] [10.1021/acsami.4c06288]
11. Xuan Fang, Jianjun Chen, Zahoor Ahmad, Hao Chen, Jinyu Guo, Hafsa.  (2025)  Synthesis of polyborosiloxanes for application in carbon fiber-reinforced SiBOC ceramic matrix composites.  Materials Today Communications,      [PMID:] [10.1016/j.mtcomm.2025.113028]
12. Shujie Yu, Xin Li, Bangwei Ye, Guomei He, Jiangxi Chen.  (2026)  Synthesis of TiC–TiB2–SiC ceramic nanocomposites from cost-effective precursors.  CERAMICS INTERNATIONAL,      [PMID:] [10.1016/j.ceramint.2026.02.242]
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