2,4,6,8-Tetramethyl-2,4,6,8-tetraphenylcyclotetrasiloxane technical - ≥98% , CAS No.77-63-4

CAS: 77-63-4 Cat. No.: T1520685 Molecular Weight: 544.89 Beilstein Registry Number: 2957579 EC Number: 201-045-0
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Storage
Store at 2-8°C
Shipped In
Wet ice
 ·  off list, applied to all prices below.
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1g
T1520685-1g
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$8.90
5g
T1520685-5g
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$15.90
25g
T1520685-25g
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$48.90
100g
T1520685-100g
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$137.90
500g
T1520685-500g
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$446.90
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Why this grade

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

🌡

Storage & shipping

Store at 2-8°C 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

Specifications & Purity
≥98%
Storage
Store at 2-8°C
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥98%
Names and Identifiers
Pubchem Sid518150953
Canonical SmilesC[Si]1(O[Si](O[Si](O[Si](O1)(C)C2=CC=CC=C2)(C)C3=CC=CC=C3)(C)C4=CC=CC=C4)C5=CC=CC=C5
InChIKeyIRVZFACCNZRHSJ-UHFFFAOYSA-N
INCHI1S/C28H32O4Si4/c1-33(25-17-9-5-10-18-25)29-34(2,26-19-11-6-12-20-26)31-36(4,28-23-15-8-16-24-28)32-35(3,30-33)27-21-13-7-14-22-27/h5-24H,1-4H3
Isomeric SMILES C[Si]1(O[Si](O[Si](O[Si](O1)(C)C2=CC=CC=C2)(C)C3=CC=CC=C3)(C)C4=CC=CC=C4)C5=CC=CC=C5
Molecular Weight 544.89
Beilstein 2957579

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.

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🔬 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 Not available
Direct ParentAlkylarylsilanes
Alternative Parents Benzene and substituted derivatives  Organoheterosilanes  Organic metalloid salts  Organic oxygen compounds  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteromonocyclic compounds
Substituents Alkylarylsilane - Benzenoid - Monocyclic benzene moiety - Organoheterosilane - Organic metalloid salt - Organic oxygen compound - Hydrocarbon derivative - Organic salt - Aromatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as alkylarylsilanes. These are organosilicon compounds with the general formula R[Si]R' (R = alkyl, R' = aryl).
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:
Chemical and Physical Properties
Refractive Index1.576
Flash Point(°C)211.7ºC
Boil Point(°C)493.2ºC
Molecular Weight544.900 g/mol
XLogP3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count4
Rotatable Bond Count4
Exact Mass544.138 Da
Monoisotopic Mass544.138 Da
Topological Polar Surface Area36.900 Ų
Heavy Atom Count36
Formal Charge0
Complexity576.000
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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