(Diethylphosphatoethyl)triethoxysilane - ≥95% , CAS No.757-44-8

CAS: 757-44-8 Cat. No.: D492194 Formula: C12H29O6PSi Molecular Weight: 328.41 EC Number: 212-056-5
AVAILABLE TO ORDER
GRADE & PURITY ≥95%
Synonyms
(Diethylphosphatoethyl)triethoxysilane | Phosphonic acid, P-(2-(triethoxysilyl)ethyl)-, diethyl ester | 2-(Diethoxyphosphinyl)ethyltriethoxysilane | C12H29O6PSi | DIETHYL 2-(TRIETHOXYSILYL)ETHYLPHOSPHONATE | (EtO)3SiCH2CH2PO(OEt)2 | 2-Diethoxyphosphorylet
Storage
Room temperature
Shipped In
Normal
★
Size
USA
Germany (EU)*
Price
Qty
5g
D492194-5g
9 In stock
—
$13.90
25g
D492194-25g
7 In stock
—
$39.90
100g
D492194-100g
1 In stock
1 In stock
$146.90
Enter a quantity for the sizes you want to add.
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Why this grade

≥95% 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 1 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
(Diethylphosphatoethyl)triethoxysilane | Phosphonic acid, P-(2-(triethoxysilyl)ethyl)-, diethyl ester | 2-(Diethoxyphosphinyl)ethyltriethoxysilane | C12H29O6PSi | DIETHYL 2-(TRIETHOXYSILYL)ETHYLPHOSPHONATE | (EtO)3SiCH2CH2PO(OEt)2 | 2-Diethoxyphosphorylet
Specifications & Purity
≥95%
Storage
Room temperature
Shipped In
Normal
Purity
≥95%
Names and Identifiers
Pubchem Sid
Pubchem Sid Url
https://pubchem.ncbi.nlm.nih.gov/substance/488184404
Canonical Smiles
CCO[Si](CCP(=O)(OCC)OCC)(OCC)OCC
IUPAC Name
2-diethoxyphosphorylethyl(triethoxy)silane
InChIKey
RGAHQVPQZZNNOV-UHFFFAOYSA-N
INCHI
1S/C12H29O6PSi/c1-6-14-19(13,15-7-2)11-12-20(16-8-3,17-9-4)18-10-5/h6-12H2,1-5H3
Isomeric SMILES
CCO[Si](CCP(=O)(OCC)OCC)(OCC)OCC
Molecular Weight
328.41
Reaxy-Rn
2282559
Reaxys-RN_link_address
https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=2282559&ln=

Documentation

📋 Safety Data Sheet (SDS)

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

<<<<<<< HEAD Download SDS → ======= Download SDS → >>>>>>> release248-p3

✅ 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.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganometallic compounds
ClassOrganometalloid compounds
SubclassOrganosilicon compounds
Intermediate Tree Nodes Alkoxysilanes
Direct ParentTrialkoxysilanes
Alternative Parents Dialkyl alkylphosphonates  Phosphonic acid esters  Silyl ethers  Organoheterosilanes  Organic metalloid salts  Organopnictogen compounds  Organophosphorus compounds  Organooxygen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAliphatic acyclic compounds
Substituents Trialkoxysilane - Phosphonic acid diester - Dialkyl alkylphosphonate - Phosphonic acid ester - Organophosphonic acid derivative - Silyl ether - Organic metalloid salt - Organoheterosilane - Organic oxide - Hydrocarbon derivative - Organopnictogen compound - Organic salt - Organic oxygen compound - Organophosphorus compound - Organooxygen compound - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as trialkoxysilanes. These are organosilicon compounds with the general formula RO[Si](R')(OR'')OR''' (R-R''' = aliphatic organyl 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.

14 results found

Lot NumberCertificate TypeDateItem
G2613326G2613326Certificate of AnalysisMar 12, 2026 D492194
G2613333G2613333Certificate of AnalysisMar 12, 2026 D492194
G2613334G2613334Certificate of AnalysisMar 12, 2026 D492194
D2310250D2310250Certificate of AnalysisJan 20, 2026 D492194
D2310288D2310288Certificate of AnalysisJan 20, 2026 D492194
B2521358B2521358Certificate of AnalysisFeb 15, 2025 D492194
B2521365B2521365Certificate of AnalysisFeb 15, 2025 D492194
B2521368B2521368Certificate of AnalysisFeb 15, 2025 D492194
B2521371B2521371Certificate of AnalysisFeb 15, 2025 D492194
B2627060B2627060Certificate of AnalysisFeb 15, 2025 D492194
J2409033J2409033Certificate of AnalysisSep 17, 2022 D492194
K2211245K2211245Certificate of AnalysisSep 17, 2022 D492194
K2211246K2211246Certificate of AnalysisSep 17, 2022 D492194
K2211269K2211269Certificate of AnalysisSep 17, 2022 D492194
Chemical and Physical Properties
Boil Point(°C)141°
Molecular Weight328.410 g/mol
XLogP3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count6
Rotatable Bond Count13
Exact Mass328.147 Da
Monoisotopic Mass328.147 Da
Topological Polar Surface Area63.200 Ų
Heavy Atom Count20
Formal Charge0
Complexity262.000
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

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