Hexaphenyldisiloxane - technical grade, ≥90%(HPLC) , CAS No.1829-40-9

CAS: 1829-40-9 Cat. No.: H476959 Formula: C₃₆H₃₀OSi₂ Molecular Weight: 534.81 EC Number: 217-381-6

GRADE & PURITY Technical grade, ≥90%(HPLC)

Synonyms

MFCD00002521 | triphenyl(triphenylsilyloxy)silane | 3-AMINO-6-METHYLPHENOL | 1,1,1,3,3,3-hexaphenyldisiloxane | 1,1,1,3,3,3-Hexaphenyl-Disiloxane | D90901 | tri(phenyl)-tri(phenyl)silyloxysilane | 2,3-Quinolinedicarboxylicacid, 2,3-dimethyl ester | HEXAPH

Storage

Room temperature

Overview

Description

Hexaphenyldisiloxane can be used:As a catalyst in the preparation of pyrite FeS2.In the synthesis of cross-linked porous polymers used in water treatment applications.

Specifications

Synonyms

MFCD00002521 | triphenyl(triphenylsilyloxy)silane | 3-AMINO-6-METHYLPHENOL | 1,1,1,3,3,3-hexaphenyldisiloxane | 1,1,1,3,3,3-Hexaphenyl-Disiloxane | D90901 | tri(phenyl)-tri(phenyl)silyloxysilane | 2,3-Quinolinedicarboxylicacid, 2,3-dimethyl ester | HEXAPH

Specifications & Purity

technical grade, ≥90%(HPLC)

Storage

Room temperature

Grade

Technical grade

Purity

≥90%(HPLC)

Names and Identifiers

• Canonical Smiles: C1=CC=C(C=C1)[Si](C2=CC=CC=C2)(C3=CC=CC=C3)O[Si](C4=CC=CC=C4)(C5=CC=CC=C5)C6=CC=CC=C6
• IUPAC Name: triphenyl(triphenylsilyloxy)silane
• InChIKey: IVZTVZJLMIHPEY-UHFFFAOYSA-N
• INCHI: 1S/C36H30OSi2/c1-7-19-31(20-8-1)38(32-21-9-2-10-22-32,33-23-11-3-12-24-33)37-39(34-25-13-4-14-26-34,35-27-15-5-16-28-35)36-29-17-6-18-30-36/h1-30H
• Isomeric SMILES: C1=CC=C(C=C1)[Si](C2=CC=CC=C2)(C3=CC=CC=C3)O[Si](C4=CC=CC=C4)(C5=CC=CC=C5)C6=CC=CC=C6
• Molecular Weight: 534.81
• Reaxy-Rn: 1334807
• Reaxys-RN_link_address: https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1334807&ln=

Taxonomic Classification

Taxonomy Tree

• Kingdom Organic compounds
  • Superclass Benzenoids
    • Class Benzene and substituted derivatives

• Kingdom: Organic compounds
• Superclass: Benzenoids
• Class: Benzene and substituted derivatives
• Subclass: Not available
• Intermediate Tree Nodes: Not available
• Direct Parent: Benzene and substituted derivatives
• Alternative Parents: Organoheterosilanes Organic metalloid salts Organic oxygen compounds Hydrocarbon derivatives
• Molecular Framework: Aromatic homomonocyclic compounds
• Substituents: Monocyclic benzene moiety - Organoheterosilane - Organic metalloid salt - Organic oxygen compound - Hydrocarbon derivative - Organic salt - Organosilicon compound - Aromatic homomonocyclic compound
• Description: This 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

Data sources

1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61.

DOI: 10.1186/s13321-016-0174-y

Chemical and Physical Properties

• Melt Point(°C): 228℃
• Molecular Weight: 534.800 g/mol
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 1
• Rotatable Bond Count: 8
• Exact Mass: 534.184 Da
• Monoisotopic Mass: 534.184 Da
• Topological Polar Surface Area: 9.200 Ų
• Heavy Atom Count: 39
• Formal Charge: 0
• Complexity: 550.000
• Isotope Atom Count: 0
• Defined Atom Stereocenter Count: 0
• Undefined Atom Stereocenter Count: 0
• Defined Bond Stereocenter Count: 0
• Undefined Bond Stereocenter Count: 0
• The total count of all stereochemical bonds: 0
• Covalently-Bonded Unit Count: 1

XLogP3

References

1. Haojie Li, Zi-An Chen, Bingyu Zhao, Junhao Xin, Longlong Wang, Ke Xiao, Huazhang Zhao, Yaodong Liu.  (2025)  Engineering carbon molecular sieve membranes with tailored microstructures via molecular doping for superior hydrogen separation.  CHEMICAL ENGINEERING JOURNAL,      [PMID:] [10.1016/j.cej.2025.162418]

Frequently Asked Questions

What is the purity of this product, and how is it determined?

This product is supplied at ≥90% purity, determined by HPLC. Lot-specific values are stated on the Certificate of Analysis.

How should this product be stored?

Store at room temperature.

What does technical grade mean?

technical grade indicates that the material has been processed and tested for specialty industrial processing. Specifications focus on the impurities that affect performance in that application — for example, metal content for electronics, particle size for batteries, refractive index for optics, or moisture content for moisture-sensitive processes.

What are the CAS number, molecular formula and molecular weight?

The CAS Number is 1829-40-9, the molecular formula is C36H30OSi2, and the molecular weight is 534.81 g/mol. InChIKey IVZTVZJLMIHPEY-UHFFFAOYSA-N.

What documentation is provided?

Available product documentation, including Certificates of Analysis (COA), Safety Data Sheets (SDS), and specification sheets, is shown in the product document area. Document availability and access follow the current site policy.