Cas no 17955-88-3 (Trisiloxane,1,1,1,3,5,5,5-heptamethyl-3-octyl-)

Trisiloxane, 1,1,1,3,5,5,5-heptamethyl-3-octyl-, is a high-performance organosilicon compound. It boasts excellent thermal stability, low volatility, and resistance to UV radiation, making it ideal for applications in coatings and sealants. Its unique molecular structure provides superior hydrophobic and hydrophilic balance, enhancing surface properties and durability.
Trisiloxane,1,1,1,3,5,5,5-heptamethyl-3-octyl- structure
17955-88-3 structure
Product Name:Trisiloxane,1,1,1,3,5,5,5-heptamethyl-3-octyl-
CAS No:17955-88-3
MF:C15H38O2Si3
MW:334.717527866364
CID:179102
PubChem ID:87373
Update Time:2025-07-15

Trisiloxane,1,1,1,3,5,5,5-heptamethyl-3-octyl- Chemical and Physical Properties

Names and Identifiers

    • Trisiloxane,1,1,1,3,5,5,5-heptamethyl-3-octyl-
    • 3-OCTYLHEPTAMETHYLTRISILOXANE
    • trimethyl-(methyl-octyl-trimethylsilyloxysilyl)oxysilane
    • 1,1,1,3,5,5,5-Heptamethyl-3-octyltrisiloxane
    • 1-bis(trimethylsiloxy)methylsilyloctane
    • 3-n-octyl-1,1,1,3,5,5,5-heptamethyltrisiloxane
    • 3-n-octyl-heptamethyltrisiloxane
    • 3-octyl-1,1,1,3,5,5,5-heptamethyltrisiloxane
    • heptamethyloctyltrisiloxane
    • Q95M2P1KJL
    • silsoft 34
    • Caprylyl methicone
    • SS 3408
    • SILSOFT034
    • Einecs 241-881-3
    • Methyloctylbis(trimethylsiloxy)silane
    • 1,1,1,3,5,5,5-Heptamethyl-3-octyltrisiloxan
    • Q27287131
    • 3-OCTYLHEPTAMETHYLTRISILOXANE?
    • DTXSID6051807
    • 17955-88-3
    • BRB CAPRYLYL METHICONE
    • NS00052176
    • SILCARE 41M15
    • Caprylyl trisiloxane
    • octylheptamethyltrisiloxane
    • UNII-Q95M2P1KJL
    • SCRSFLUHMDMRFP-UHFFFAOYSA-N
    • Trisiloxane, 1,1,1,3,5,5,5-heptamethyl-3-octyl-
    • SILSOFT 034
    • 1,1,1,3,5,5,5-Heptamethyl-3-Ctyltrisiloxane
    • 1,1,1,3,5,5,5-Heptamethyl-3-octyl-trisiloxane
    • DB-315540
    • BIS(TRIMETHYLSILOXY)OCTYLMETHYLSILANE
    • 3-Ctylheptamethyltrisiloxane
    • SCHEMBL727806
    • MFCD08275351
    • silsoft34
    • MDL： MFCD08275351
    • Inchi： 1S/C15H38O2Si3/c1-9-10-11-12-13-14-15-20(8,16-18(2,3)4)17-19(5,6)7/h9-15H2,1-8H3
    • InChI Key： SCRSFLUHMDMRFP-UHFFFAOYSA-N
    • SMILES： [Si](C)(CCCCCCCC)(O[Si](C)(C)C)O[Si](C)(C)C

Computed Properties

  • Exact Mass: 334.21800
  • Monoisotopic Mass: 334.21796
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 0
  • Hydrogen Bond Acceptor Count: 2
  • Heavy Atom Count: 20
  • Rotatable Bond Count: 11
  • Complexity: 241
  • 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: 18.5

Experimental Properties

  • Density: 0.845
  • Melting Point: -62°C
  • Boiling Point: 309 oC
  • Flash Point: 125 oC
  • Refractive Index: 1.4128
  • PSA: 18.46000
  • LogP: 6.12190
  • Vapor Pressure: 0.0±0.6 mmHg at 25°C

Trisiloxane,1,1,1,3,5,5,5-heptamethyl-3-octyl- Security Information

Trisiloxane,1,1,1,3,5,5,5-heptamethyl-3-octyl- 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%

Trisiloxane,1,1,1,3,5,5,5-heptamethyl-3-octyl- Pricemore >>

Related Categories No. Product Name Cas No. Purity Specification Price update time Inquiry
eNovation Chemicals LLC
Y1260274-5g
Trisiloxane, 1,1,1,3,5,5,5-heptamethyl-3-octyl-
 17955-88-3 97%
5g
 $145 2024-06-07
eNovation Chemicals LLC
Y1260274-25g
Trisiloxane, 1,1,1,3,5,5,5-heptamethyl-3-octyl-
 17955-88-3 97%
25g
 $180 2024-06-07
eNovation Chemicals LLC
Y1260274-100g
Trisiloxane, 1,1,1,3,5,5,5-heptamethyl-3-octyl-
 17955-88-3 97%
100g
 $255 2024-06-07
eNovation Chemicals LLC
Y1260274-500g
Trisiloxane, 1,1,1,3,5,5,5-heptamethyl-3-octyl-
 17955-88-3 97%
500g
 $765 2024-06-07
A2B Chem LLC
AB02292-5g
Trisiloxane, 1,1,1,3,5,5,5-heptamethyl-3-octyl-
 17955-88-3 97%
5g
 $14.00 2024-04-20
A2B Chem LLC
AB02292-25g
Trisiloxane, 1,1,1,3,5,5,5-heptamethyl-3-octyl-
 17955-88-3 97%
25g
 $37.00 2024-04-20
A2B Chem LLC
AB02292-100g
Trisiloxane, 1,1,1,3,5,5,5-heptamethyl-3-octyl-
 17955-88-3 97%
100g
 $100.00 2024-04-20
A2B Chem LLC
AB02292-500g
Trisiloxane, 1,1,1,3,5,5,5-heptamethyl-3-octyl-
 17955-88-3 97%
500g
 $431.00 2024-04-20
eNovation Chemicals LLC
Y1260274-100g
Trisiloxane, 1,1,1,3,5,5,5-heptamethyl-3-octyl-
 17955-88-3 97%
100g
 $815 2025-02-19
eNovation Chemicals LLC
Y1260274-25g
Trisiloxane, 1,1,1,3,5,5,5-heptamethyl-3-octyl-
 17955-88-3 97%
25g
 $270 2025-02-19

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