Trimethoxypropylsilane
Synonym(s):Propyltrimethoxysilane
- CAS NO.：1067-25-0
- Empirical Formula: C6H16O3Si
- Molecular Weight: 164.27
- MDL number: MFCD00043026
- EINECS: 213-926-7
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-27 17:39:15
What is Trimethoxypropylsilane?
Chemical properties
Colorless or yellowish clearliquid
The Uses of Trimethoxypropylsilane
It finds its application as an important material in sol-gel production, provides a hydrophobic surface treatment for inorganic powders or filter materials and it is one of the catalyst component for polyolefin production with Ziegler-Natta catalyst.
Flammability and Explosibility
Flammable
Properties of Trimethoxypropylsilane
| Boiling point: | 142 °C(lit.) |
| Density | 0.932 g/mL at 25 °C(lit.) |
| vapor pressure | 0.15 psi ( 20 °C) |
| refractive index | n |
| Flash point: | 97 °F |
| form | clear liquid |
| color | Colorless to Almost colorless |
| Specific Gravity | 0.932 |
| Water Solubility | Reacts with water. |
| Sensitive | Moisture Sensitive |
| Hydrolytic Sensitivity | 7: reacts slowly with moisture/water |
| BRN | 2070458 |
| Stability: | Stable, but reacts with moisture. Flammable. Incompatible with strong oxidizing agents, acids, alcohols, bases, water. |
| CAS DataBase Reference | 1067-25-0(CAS DataBase Reference) |
| NIST Chemistry Reference | Silane, trimethoxypropyl-(1067-25-0) |
| EPA Substance Registry System | Trimethoxypropylsilane (1067-25-0) |
Safety information for Trimethoxypropylsilane
| Signal word | Warning |
| Pictogram(s) |
 Flame Flammables GHS02  Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H226:Flammable liquids H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P233:Keep container tightly closed. P240:Ground/bond container and receiving equipment. P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P370+P378:In case of fire: Use … for extinction. P405:Store locked up. P403+P235:Store in a well-ventilated place. Keep cool. P501:Dispose of contents/container to..… |
Computed Descriptors for Trimethoxypropylsilane
| InChIKey | HQYALQRYBUJWDH-UHFFFAOYSA-N |
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