Triethyl borate
Pharmaceutical Materials 2025-03-02
CAS Number: 150-46-9
Molecular Formula: C6H15BO3
Molecular Weight: 145.99 g/mol
Appearance: Colorless transparent liquid
Density: 0.9±0.1 g/cm³
Usage: Mainly used as a fine chemical raw material, and can be used in the manufacture of semiconductor components, plasticizers, and welding fluxes.
| Attribute | Description |
|---|---|
| Chemical Name | Triethyl borate |
| Synonyms | Boric acid triethyl ester, Triethoxyborane, Boron ethoxide |
| CAS Number | 150-46-9 |
| Formula | C6H15BO3 |
| Molecular Weight | 145.99 g/mol |
| Appearance | Colorless transparent liquid |
| Odor | Characteristic odor |
| Density | 0.858 g/cm³ |
| Melting Point | -84.5°C |
| Boiling Point | 117-118°C |
| Flash Point | 11°C |
| Refractive Index | 1.374 (at 20°C) |
| Solubility | Miscible with ethanol and ether; decomposes in water |
| Chemical Properties | Reactive with water, forming ethanol and boric acid; stable under normal conditions but flammable |
| Applications | Used in the production of semiconductor components; as a precursor for the synthesis of other organic boron compounds; also used as a plasticizer and welding flux |
| Hazard Information | Flammable; irritant to eyes and skin; may cause respiratory irritation; keep away from heat, sparks, and open flames; store in a cool, dry place |
| Handling Precautions | Wear appropriate personal protective equipment; avoid contact with skin, eyes, and clothing; use in a well-ventilated area; follow safety instructions for handling flammable liquids and chemicals |
| Safety Symbols | F (Flammable) |
| Risk Phrases | R11: Highly flammable |
| Safety Phrases | S7: Keep container tightly closed; S9: Keep container in a well-ventilated place; S16: Keep away from sources of ignition – No smoking; S23: Do not breathe vapour; S33: Take precautionary measures against static discharge |
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