Ethoxytrimethylsilane
Trimethylethoxysilane
CAS: 1825-62-3
Molecular Formula: C5H14OSi
Ethoxytrimethylsilane - Names and Identifiers
| Name | Trimethylethoxysilane |
| Synonyms | Three Methylsilane Ethoxytrimethylsilane Trimethylethoxysilane Trimethylsilyl ethoxide Silane, ethoxytrimethyl- DIMETHYLDIMETHOXYSILICANE |
| CAS | 1825-62-3 |
| EINECS | 217-370-6 |
| InChI | InChI=1/C5H14OSi/c1-5-6-7(2,3)4/h5H2,1-4H3 |
Ethoxytrimethylsilane - Physico-chemical Properties
| Molecular Formula | C5H14OSi |
| Molar Mass | 118.25 |
| Density | 0.757g/mLat 25°C(lit.) |
| Melting Point | -83°C |
| Boling Point | 75-76°C(lit.) |
| Flash Point | -18 °C |
| Water Solubility | reacts |
| Vapor Presure | 533 hPa (56 °C) |
| Appearance | Liquid |
| Specific Gravity | 0.757 |
| Color | Clear colorless |
| BRN | 1731950 |
| Storage Condition | Store below +30°C. |
| Sensitive | 7: reacts slowly with moisture/water |
| Explosive Limit | 1.5-16.5%(V) |
| Refractive Index | n20/D 1.374(lit.) |
| Use | For the synthesis of organic silicon compounds, also used as hydrophobic agent |
Ethoxytrimethylsilane - Risk and Safety
| Risk Codes | R11 - Highly Flammable R22 - Harmful if swallowed R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S16 - Keep away from sources of ignition. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S9 - Keep container in a well-ventilated place. S37/39 - Wear suitable gloves and eye/face protection S33 - Take precautionary measures against static discharges. |
| UN IDs | UN 1993 3/PG 2 |
| WGK Germany | 3 |
| RTECS | VV4110000 |
| FLUKA BRAND F CODES | 21 |
| TSCA | Yes |
| HS Code | 2931 90 00 |
| Hazard Class | 3 |
| Packing Group | II |
Ethoxytrimethylsilane - Reference Information
| LogP | -0.31-3.7 at 20-25℃ |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | for synthesis of organosilicon compounds, and also for use as hydrophobic agent for synthesis of organosilicon compounds, and also for use as hydrophobic agent. |
| category | flammable liquid |
| toxicity grade | poisoning |
| Acute toxicity | oral-rat LDL0: 1400 mg/kg; Inhalation-rat LC50: 4000 PPM/ 8 h |
| stimulation data | eye-rabbit 79 mg |
| flammability hazard characteristics | in case of open flame, high temperature, flammable oxidant; Combustion stimulus smoke |
| storage and transportation characteristics | The warehouse is ventilated and dried at low temperature; Stored separately from oxidants and acids |
| extinguishing agent | dry powder, dry sand, carbon dioxide, foam |
| autoignition temperature | 280°C |
Last Update：2024-04-10 22:31:16
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