2-(Diphenylphosphino)ethyltriethoxysilane - ≥97% , CAS No.18586-39-5

CAS: 18586-39-5 Cat. No.: E694949 Molecular Weight: 376.51 EC Number: 242-427-7
AVAILABLE TO ORDER
GRADE & PURITY ≥97%
Synonyms
Diphenyl(2-(triethoxysilyl)ethyl)phosphine
Storage
Store at 2-8°C,Argon charged
Shipped In
Wet ice
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Size
Status
Price
Qty
250mg
E694949-250mg
1
$19.90
1g
E694949-1g
1

$49.90

$52.90
Save $3.00 (5.67%)
5g
E694949-5g
1
$119.90
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Why this grade

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

🌡

Storage & shipping

Store at 2-8°C,Argon charged Ships Wet ice 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.

Specifications

Synonyms
Diphenyl(2-(triethoxysilyl)ethyl)phosphine
Specifications & Purity
≥97%
Storage
Store at 2-8°C, Argon charged
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥97%
Names and Identifiers
Canonical SmilesCCO[Si](CCP(C1=CC=CC=C1)C2=CC=CC=C2)(OCC)OCC
IUPAC Namediphenyl(2-triethoxysilylethyl)phosphane
InChIKeyHLXCYTXLQJWQFG-UHFFFAOYSA-N
INCHI1S/C20H29O3PSi/c1-4-21-25(22-5-2,23-6-3)18-17-24(19-13-9-7-10-14-19)20-15-11-8-12-16-20/h7-16H,4-6,17-18H2,1-3H3
Isomeric SMILES CCO[Si](CCP(C1=CC=CC=C1)C2=CC=CC=C2)(OCC)OCC
Molecular Weight 376.51

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
SuperclassOrganometallic compounds
ClassOrganometalloid compounds
SubclassOrganosilicon compounds
Intermediate Tree Nodes Alkoxysilanes
Direct ParentTrialkoxysilanes
Alternative Parents Benzene and substituted derivatives  Silyl ethers  Organic phosphines and derivatives  Organoheterosilanes  Organic metalloid salts  Organopnictogen compounds  Organooxygen compounds  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Trialkoxysilane - Benzenoid - Monocyclic benzene moiety - Silyl ether - Phosphine - Organoheterosilane - Organic metalloid salt - Organic oxygen compound - Organopnictogen compound - Hydrocarbon derivative - Organic salt - Organophosphorus compound - Organooxygen compound - Aromatic homomonocyclic 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.

8 results found

Lot NumberCertificate TypeDateItem
A2620466Certificate of AnalysisDec 31, 2025 E694949
A2620467Certificate of AnalysisDec 31, 2025 E694949
B2514144Certificate of AnalysisFeb 06, 2025 E694949
B2514145Certificate of AnalysisFeb 06, 2025 E694949
B2514148Certificate of AnalysisFeb 06, 2025 E694949
B2514149Certificate of AnalysisFeb 06, 2025 E694949
B2514264Certificate of AnalysisFeb 06, 2025 E694949
B2514270Certificate of AnalysisFeb 06, 2025 E694949
Chemical and Physical Properties
Boil Point(°C)182℃
Molecular Weight376.500 g/mol
XLogP3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count3
Rotatable Bond Count11
Exact Mass376.162 Da
Monoisotopic Mass376.162 Da
Topological Polar Surface Area27.700 Ų
Heavy Atom Count25
Formal Charge0
Complexity309.000
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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