2943-75-1
N-octyltriethoxysilane
CAS: 2943-75-1;1385031-14-0
Molecular Formula: C14H32O3Si
2943-75-1 - Names and Identifiers
| Name | N-octyltriethoxysilane |
| Synonyms | CO9835 dynasylanocteo Dynasylan OCTEO a137(couplingagent) Triethoxyoctylsilane octyltriethoxysilane N-octyltriethoxysilane n-Octyl triethoxysilane (Octyl)-triethoxysilane n-octyltriethoaysilane(30m3) n-octyltriethoaysilane(30m3m) n-octyltriethoaysilane(30m35) n-octyltriethoaysilane(32m18) |
| CAS | 2943-75-1 1385031-14-0 |
| EINECS | 220-941-2 |
| InChI | InChI=1/C14H32O3Si/c1-5-9-10-11-12-13-14-18(15-6-2,16-7-3)17-8-4/h5-14H2,1-4H3 |
| InChIKey | MSRJTTSHWYDFIU-UHFFFAOYSA-N |
2943-75-1 - Physico-chemical Properties
| Molecular Formula | C14H32O3Si |
| Molar Mass | 276.49 |
| Density | 0.88g/mLat 25°C(lit.) |
| Melting Point | <-40°C |
| Boling Point | 84-85°C0.5mm Hg(lit.) |
| Flash Point | 210°F |
| Water Solubility | reacts |
| Solubility | Acetonitrile (Slightly), Chloroform (Slightly) |
| Vapor Presure | 0.1 hPa (20 °C) |
| Appearance | Colorless to yellowish liquid |
| Specific Gravity | 0.875 |
| Color | Colorless to Almost colorless |
| BRN | 2325287 |
| Storage Condition | Store below +30°C. |
| Sensitive | 7: reacts slowly with moisture/water |
| Refractive Index | n20/D 1.417(lit.) |
| MDL | MFCD00039883 |
| Physical and Chemical Properties | Boiling Point: 98 |
2943-75-1 - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S37/39 - Wear suitable gloves and eye/face protection |
| WGK Germany | 1 |
| RTECS | VV6695500 |
| FLUKA BRAND F CODES | 10-21 |
| TSCA | Yes |
| HS Code | 29310095 |
| Toxicity | LD50 orally in Rabbit: 5110 mg/kg LD50 dermal Rabbit 5142 mg/kg |
2943-75-1 - Introduction
Colorless transparent liquid, soluble in a variety of organic solvents. Reacts with water.
Last Update：2022-10-16 17:24:20
2943-75-1 - Reference Information
| LogP | -0.3-6.41 at 20℃ |
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| introduction | octyl triethoxysilane is the active ingredient of the high-efficiency permeable concrete silane impregnation protective agent, which has the advantages of good permeability and good water resistance. The unique small molecular structure has excellent permeability and can penetrate into the base surface to form a long-term hydrophobic three-dimensional silicone resin network structure. |
| Application | n-octyl triethoxysilane is an organosilane compound and has the following uses: 1. n-octyl triethoxysilane can be used as a building waterproofing agent, Protective agent, can form a hydrophobic layer on the surface of the substrate, effectively prevent water seepage, sun, acid and alkali erosion, and extend the service life of the building. 2. n-octyl triethoxysilane can be used as a surface treatment agent for inorganic fillers to improve the dispersibility and compatibility of fillers in plastics, rubber and resins. 3. n-octyl triethoxysilane is used as a dispersant for pigments, which makes the treated pigments have better dispersibility. |
Last Update：2024-04-10 22:29:15
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