Cas no 2550-02-9 (Triethoxy(propyl)silane)

Triethoxy(propyl)silane is an organosilane coupling agent with the chemical formula C9H22O3Si. It features a reactive triethoxy group and a propyl chain, enabling dual functionality as a surface modifier and adhesion promoter. The compound is widely used to enhance the compatibility between organic polymers and inorganic substrates, such as glass, metals, or minerals. Its hydrolyzable ethoxy groups facilitate covalent bonding with hydroxyl-rich surfaces, while the propyl moiety improves dispersion in organic matrices. Applications include coatings, sealants, and composites, where it improves mechanical properties, moisture resistance, and interfacial adhesion. The compound is valued for its stability, ease of handling, and effectiveness in silanization processes.
Triethoxy(propyl)silane structure
Triethoxy(propyl)silane structure
Product Name:Triethoxy(propyl)silane
CAS No:2550-02-9
MF:C9H22O3Si
MW:206.354684352875
MDL:MFCD00026756
CID:43153
PubChem ID:24885486
Update Time:2025-11-02

Triethoxy(propyl)silane Chemical and Physical Properties

Names and Identifiers

    • Triethoxy(propyl)silane
    • DYNASYLAN PTEO
    • Triethoxy-n-propylsilane
    • Propyltriethoxy silane
    • N-PROPYLTRIETHOXYSILANE
    • Triethoxypropylsilane
    • 1-triethoxysilylpropane
    • Propyltriethoxysilan
    • Silane,triethoxypropyl
    • Propyltriethoxysilane
    • Silane, triethoxypropyl-
    • F17OTX9FG5
    • NBXZNTLFQLUFES-UHFFFAOYSA-N
    • triethoxypropyl-silan
    • triethoxypropyl-silane
    • Triethoxy(propyl)silane #
    • KSC491G7D
    • s14100
    • D84361
    • SCHEMBL24959
    • PROPYLTRIETHOXYSILANE; SILANE, TRIETHOXYPROPYL-
    • LS-13730
    • n-Propyltriethoxysilane, >=98%, deposition grade
    • UNII-F17OTX9FG5
    • AKOS015839585
    • NS00045803
    • DTXSID60862984
    • 160876-30-2
    • EINECS 219-842-7
    • 2550-02-9
    • ?Triethoxypropylsilane
    • CS-0204606
    • n-Propyltriethoxysilane, 97%
    • Q27894581
    • MFCD00026756
    • T2867
    • J-016022
    • EC 219-842-7
    • DB-046715
    • DTXCID00811673
    • MDL: MFCD00026756
    • Inchi: 1S/C9H22O3Si/c1-5-9-13(10-6-2,11-7-3)12-8-4/h5-9H2,1-4H3
    • InChI Key: NBXZNTLFQLUFES-UHFFFAOYSA-N
    • SMILES: [Si](CCC)(OCC)(OCC)OCC
    • BRN: 1748158

Computed Properties

  • Exact Mass: 206.13400
  • Monoisotopic Mass: 206.134
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 0
  • Hydrogen Bond Acceptor Count: 3
  • Heavy Atom Count: 13
  • Rotatable Bond Count: 8
  • Complexity: 102
  • 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
  • Surface Charge: 0
  • Topological Polar Surface Area: 27.7

Experimental Properties

  • Color/Form: liquid
  • Density: 0.892?g/mL?at 25?°C(lit.)
  • Boiling Point: 179-180?°C(lit.)
  • Flash Point: Fahrenheit: 134.6 ° f < br / > Celsius: 57 ° C < br / >
  • Refractive Index: n20/D 1.396(lit.)
  • Water Partition Coefficient: Not miscible or difficult to mix in water. Soluble in alcohol, aromatic and aliphatic hydrocarbons.
  • PSA: 27.69000
  • LogP: 2.44480
  • Solubility: Soluble in a variety of organic solvents
  • Sensitiveness: Moisture Sensitive
  • Vapor Pressure: 2.1±0.3 mmHg at 25°C

Triethoxy(propyl)silane Security Information

  • Symbol: GHS02 GHS07
  • Prompt:warning
  • Signal Word:Warning
  • Hazard Statement: H226,H315,H319,H335
  • Warning Statement: P261,P305+P351+P338
  • Hazardous Material transportation number:UN 1993 3/PG 2
  • WGK Germany:3
  • Hazard Category Code: 36/37/38
  • Safety Instruction: S26-S36
  • Hazardous Material Identification: Xi
  • Packing Group:III
  • Hazard Level:3
  • HazardClass:3
  • PackingGroup:III
  • TSCA:Yes
  • Safety Term:3
  • Packing Group:III
  • Risk Phrases:R36/37/38
  • Storage Condition:Store at 4 ° C, -4 ° C is better

Triethoxy(propyl)silane Customs Data

  • HS CODE:2931900090
  • Customs Data:

    China Customs Code:

    2931900090

    Overview:

    2931900090. Other organic-Inorganic compound. VAT:17.0%. Tax refund rate:13.0%. Regulatory conditions:AB(Customs clearance form for Inbound Goods,Customs clearance form for outbound goods). MFN tariff:6.5%. general tariff:30.0%

    Summary:

    2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0%

Triethoxy(propyl)silane Pricemore >>

Related Categories No. Product Name Cas No. Purity Specification Price update time Inquiry
SHANG HAI A LA DING SHENG HUA KE JI GU FEN Co., Ltd.
P107575-100ml
Triethoxy(propyl)silane
2550-02-9 97%
100ml
¥213.90 2023-09-01
SHANG HAI A LA DING SHENG HUA KE JI GU FEN Co., Ltd.
P107575-25ml
Triethoxy(propyl)silane
2550-02-9 97%
25ml
¥81.90 2023-09-01
SHANG HAI A LA DING SHENG HUA KE JI GU FEN Co., Ltd.
P107575-500ml
Triethoxy(propyl)silane
2550-02-9 97%
500ml
¥768.90 2023-09-01
Fluorochem
S14100-25g
n-Propyltriethoxysilane
2550-02-9 95%
25g
£15.00 2022-02-28
Fluorochem
S14100-100g
n-Propyltriethoxysilane
2550-02-9 95%
100g
£44.00 2022-02-28
Fluorochem
S14100-2kg
n-Propyltriethoxysilane
2550-02-9 95%
2kg
£202.00 2022-02-28
XI GE MA AO DE LI QI ( SHANG HAI ) MAO YI Co., Ltd.
539317-25ML
Triethoxy(propyl)silane
2550-02-9 97%
25ML
588.19 2021-05-17
XI GE MA AO DE LI QI ( SHANG HAI ) MAO YI Co., Ltd.
679321-50G
Triethoxy(propyl)silane
2550-02-9 ≥98%, deposition grade
50G
¥1466.51 2022-02-24
SHANG HAI MAI KE LIN SHENG HUA Technology Co., Ltd.
P815929-500ml
n-Propyltriethoxysilane
2550-02-9 97%
500ml
¥792.00 2022-09-01
SHANG HAI MAI KE LIN SHENG HUA Technology Co., Ltd.
P815929-5ml
n-Propyltriethoxysilane
2550-02-9 97%
5ml
¥33.00 2022-09-01

Triethoxy(propyl)silane Production Method

Triethoxy(propyl)silane Suppliers

Suzhou Senfeida Chemical Co., Ltd
Gold Member
Audited Supplier Audited Supplier
(CAS:2550-02-9)Triethoxypropylsilane
Order Number:sfd12848
Stock Status:in Stock
Quantity:200kg
Purity:99.9%
Pricing Information Last Updated:Friday, 19 July 2024 14:36
Price ($):discuss personally
Amadis Chemical Company Limited
Gold Member
Audited Supplier Audited Supplier
(CAS:2550-02-9)Triethoxy(propyl)silane
Order Number:A1202014
Stock Status:in Stock
Quantity:500g
Purity:99%
Pricing Information Last Updated:Friday, 30 August 2024 02:46
Price ($):242.0
Tiancheng Chemical (Jiangsu) Co., Ltd
Gold Member
Audited Supplier Audited Supplier
(CAS:2550-02-9)n-Propyltriethoxysilane
Order Number:LE4373;LE3318601
Stock Status:in Stock
Quantity:25KG,200KG,1000KG
Purity:99%
Pricing Information Last Updated:Friday, 20 June 2025 11:45
Price ($):discuss personally

Triethoxy(propyl)silane Related Literature

Additional information on Triethoxy(propyl)silane

Comprehensive Guide to Triethoxy(propyl)silane (CAS No. 2550-02-9): Properties, Applications, and Industry Insights

Triethoxy(propyl)silane (CAS No. 2550-02-9), a versatile organosilane compound, has gained significant attention in industrial and research applications due to its unique chemical properties. This silane coupling agent is widely recognized for its ability to enhance adhesion between organic and inorganic materials, making it indispensable in coatings, adhesives, and composite manufacturing. With the growing demand for high-performance materials in sectors like automotive, aerospace, and electronics, understanding the capabilities of Triethoxy(propyl)silane is critical for engineers and formulators.

The molecular structure of Triethoxy(propyl)silane features a reactive siloxane group and a propyl chain, enabling dual functionality. This structure facilitates hydrolysis under mild conditions, forming silanol groups that bond with substrates like glass, metals, or minerals. Simultaneously, the organic tail provides compatibility with polymers such as epoxies or polyurethanes. Recent studies highlight its role in nanomaterial surface modification, where it improves dispersion stability in nanocomposites—a hot topic in material science forums and AI-driven research databases.

One of the most searched questions about CAS No. 2550-02-9 relates to its water-repellent applications. When applied to construction materials (e.g., concrete or masonry), it forms hydrophobic layers that resist moisture penetration—a key concern for sustainable infrastructure. Industry reports correlate this with the rising trend of "green building chemicals" in search engines, as architects seek eco-friendly solutions. Notably, its low VOC content aligns with global regulations like REACH, addressing another frequent query regarding "compliance-safe silanes."

In electronics, Triethoxy(propyl)silane serves as a dielectric layer precursor for flexible circuits—a niche explored in semiconductor manufacturing discussions. Its thermal stability (up to 200°C) makes it suitable for printed electronics, where users often search for "heat-resistant adhesives for PCBs." Startups are now combining it with graphene oxide to create conductive inks, demonstrating innovation at the intersection of silane chemistry and advanced materials.

From an SEO perspective, long-tail keywords like "best silane for glass adhesion" or "Triethoxy(propyl)silane vs. competitors" reflect user intent. Analytical data shows increasing searches for "hydrolysis rate of CAS 2550-02-9," indicating demand for technical parameters. Manufacturers should emphasize these metrics alongside case studies—for instance, its use in optical lens coatings with 98% light transmittance, a detail highly valued in photonics communities.

Emerging applications include biomedical device coatings, where its non-toxic profile meets FDA requirements. Researchers are investigating its potential in drug delivery systems by functionalizing nanoparticles—an area gaining traction in academic searches. As industries prioritize multi-functional additives, Triethoxy(propyl)silane stands out for bridging performance gaps between dissimilar materials, a recurring theme in material innovation webinars.

Storage and handling best practices for CAS No. 2550-02-9 remain a frequent query. Recommendations include nitrogen-inerted containers to prevent premature hydrolysis—a detail often missing from supplier datasheets but critical for quality control. This gap presents an opportunity for content that addresses "extending silane shelf life," a practical concern for formulators.

In summary, Triethoxy(propyl)silane (CAS No. 2550-02-9) exemplifies how specialized chemicals drive technological progress. By aligning its cross-linking efficiency with trends like smart materials and circular economy, stakeholders can leverage its full potential while meeting evolving regulatory and performance demands.

Recommended suppliers
Suzhou Senfeida Chemical Co., Ltd
(CAS:2550-02-9)Triethoxypropylsilane
sfd12848
Purity:99.9%
Quantity:200kg
Price ($):Inquiry
Email
Amadis Chemical Company Limited
(CAS:2550-02-9)Triethoxy(propyl)silane
A1202014
Purity:99%
Quantity:500g
Price ($):242.0
Email