Cas no 18055-70-4 (1,3-Di(p-tolyl)-1,1,3,3-tetramethyldisiloxane, 97%)

1,3-Di(p-tolyl)-1,1,3,3-tetramethyldisiloxane (97%) is an organosilicon compound featuring a disiloxane backbone with p-tolyl and methyl substituents. Its high purity (97%) ensures reliable performance in synthetic applications, particularly in the preparation of advanced silicone-based materials. The compound's structure provides thermal and chemical stability, making it suitable for use in high-temperature or reactive environments. It serves as a versatile intermediate in organosilicon chemistry, enabling the synthesis of tailored siloxane polymers or functionalized derivatives. The presence of aromatic p-tolyl groups enhances its utility in crosslinking reactions or as a precursor for specialty silicones. Proper handling under inert conditions is recommended to maintain stability.
1,3-Di(p-tolyl)-1,1,3,3-tetramethyldisiloxane, 97% structure
18055-70-4 structure
Product Name:1,3-Di(p-tolyl)-1,1,3,3-tetramethyldisiloxane, 97%
CAS No:18055-70-4
MF:C18H26OSi2
MW:314.569447040558
CID:87915
PubChem ID:519510
Update Time:2025-06-09

1,3-Di(p-tolyl)-1,1,3,3-tetramethyldisiloxane, 97% Chemical and Physical Properties

Names and Identifiers

    • 1,3-Di(p-tolyl)-1,1,3,3-tetramethyldisiloxane
    • {me2(4-toy)Si}2O
    • 1,1,3,3-tetramethyl-1,3-bis(4-methylphenyl)disiloxane
    • 1,1,3,3-Tetramethyl-1,3-di-p-tolyl-disiloxan
    • 1,1,3,3-tetramethyl-1,3-di-p-tolyldisiloxane
    • sym-tetramethyldi-p-tolyldisiloxane
    • [dimethyl-(4-methylphenyl)silyl]oxy-dimethyl-(4-methylphenyl)silane
    • 1,3-Di(4-methylphenyl)-1,1,3,3-tetramethyldisiloxane
    • SCHEMBL9743132
    • 1,1,3,3-Tetramethyl-1,3-di-p-tolyl-disiloxane
    • Disiloxane, 1,1,3,3-tetramethyl-1,3-bis(4-methylphenyl)-
    • 1,3-Di-(p-tolyl)-1,1,3,3-tetramethyldisiloxane
    • Sym-tetramethyl-di-(p-tolyl)disiloxane
    • MEQYEVSZYLVDNX-UHFFFAOYSA-N
    • 18055-70-4
    • CS-0448754
    • 1,3-Di(p-tolyl)-1,1,3,3-tetramethyldisiloxane, 97per cent
    • MFCD09266163
    • 1,3-Bis(p-tolyl)-1,1,3,3-tetramethyl disiloxane
    • 1,3-Bis(4-methylphenyl)-1,1,3,3-tetramethyldisiloxane
    • 1,1,3,3-Tetramethyl-1,3-bis(4-methylphenyl)disiloxane #
    • DB-363081
    • 1,3-Di(p-tolyl)-1,1,3,3-tetramethyldisiloxane, 97%
    • MDL： MFCD09266163
    • Inchi： 1S/C18H26OSi2/c1-15-7-11-17(12-8-15)20(3,4)19-21(5,6)18-13-9-16(2)10-14-18/h7-14H,1-6H3
    • InChI Key： MEQYEVSZYLVDNX-UHFFFAOYSA-N
    • SMILES： [Si](C)(C)(C1C=CC(C)=CC=1)O[Si](C)(C)C1C=CC(C)=CC=1

Computed Properties

  • Exact Mass: 314.15200
  • Monoisotopic Mass: 314.15221852g/mol
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 0
  • Hydrogen Bond Acceptor Count: 1
  • Heavy Atom Count: 21
  • Rotatable Bond Count: 4
  • Complexity: 292
  • Covalently-Bonded Unit Count: 1
  • Defined Atom Stereocenter Count: 0
  • Undefined Atom Stereocenter Count : 0
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • Topological Polar Surface Area: 9.2?2

Experimental Properties

  • Water Partition Coefficient: Not miscible or difficult to mix with water.
  • PSA: 9.23000
  • LogP: 3.84440

1,3-Di(p-tolyl)-1,1,3,3-tetramethyldisiloxane, 97% Customs Data

  • HS CODE：2934999090
  • Customs Data：

    China Customs Code:

    2934999090

    Overview:

    2934999090. Other heterocyclic compounds. VAT:17.0%. Tax refund rate:13.0%. Regulatory conditions:nothing. MFN tariff:6.5%. general tariff:20.0%

    Declaration elements:

    Product Name, component content, use to

    Summary:

    2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

1,3-Di(p-tolyl)-1,1,3,3-tetramethyldisiloxane, 97% Pricemore >>

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1,3-Di(p-tolyl)-1,1,3,3-tetramethyldisiloxane, 97% Production Method

1,3-Di(p-tolyl)-1,1,3,3-tetramethyldisiloxane, 97% Related Literature

Additional information on 1,3-Di(p-tolyl)-1,1,3,3-tetramethyldisiloxane, 97%

Comprehensive Guide to 1,3-Di(p-tolyl)-1,1,3,3-tetramethyldisiloxane, 97% (CAS No. 18055-70-4)

1,3-Di(p-tolyl)-1,1,3,3-tetramethyldisiloxane, 97% (CAS No. 18055-70-4) is a high-purity organosilicon compound widely used in advanced material science, pharmaceuticals, and specialty chemical applications. This compound, often referred to as a disiloxane derivative, is valued for its unique thermal stability, low volatility, and compatibility with organic and inorganic matrices. Researchers and industries are increasingly exploring its potential in silicon-based polymers, surface modification, and catalysis, making it a topic of interest in cutting-edge R&D.

The molecular structure of 1,3-Di(p-tolyl)-1,1,3,3-tetramethyldisiloxane features two p-tolyl groups linked to a central disiloxane backbone, which contributes to its hydrophobic properties and resistance to oxidation. This makes it an excellent candidate for water-repellent coatings and high-performance lubricants. Recent studies highlight its role in nanomaterial synthesis, where it acts as a stabilizing agent for metal nanoparticles, addressing the growing demand for sustainable and efficient catalytic systems.

In the pharmaceutical sector, CAS No. 18055-70-4 is gaining attention for its potential as a drug delivery enhancer. Its ability to improve the solubility and bioavailability of poorly water-soluble drugs aligns with the industry's focus on formulation optimization. Additionally, its inert nature minimizes unwanted interactions, a critical factor in biocompatible material development. These attributes are driving its adoption in personalized medicine and targeted therapy research.

From an environmental perspective, 1,3-Di(p-tolyl)-1,1,3,3-tetramethyldisiloxane is being evaluated for its green chemistry applications. Its low toxicity and minimal environmental impact make it a preferable alternative to traditional solvents and additives. This aligns with global trends toward sustainable manufacturing and eco-friendly materials, addressing frequent search queries like "non-toxic silicon compounds" and "green alternatives in coatings."

Handling and storage of 1,3-Di(p-tolyl)-1,1,3,3-tetramethyldisiloxane, 97% require standard precautions for organosilicon compounds. It should be stored in a cool, dry place under inert gas to prevent moisture absorption, a common concern among users searching for "storage conditions for disiloxanes." Its compatibility with glass and stainless-steel containers ensures long-term stability, a key consideration for industrial buyers.

In summary, CAS No. 18055-70-4 represents a versatile and innovative compound with broad applications in material science, pharmaceuticals, and environmental technology. Its combination of performance, safety, and sustainability positions it as a valuable asset in modern chemical research and industrial processes. For researchers seeking "high-purity disiloxane suppliers" or "applications of p-tolyl siloxanes," this compound offers a compelling solution.

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