
Boron Ethoxide
Properties
Product #
1292
Name
Boron Ethoxide
Synonyms
Triethyl borate, Boric acid triethyl ester, Triethoxyborane
Formula
B(C2H5O)3
Purity
99%
CAS Number
150-46-9
Molecular Weight
145.99
Color & Form
Clear colorless liquid
Boiling Point
117-118° C
Melting Point
-84.75° C

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Information about Boron Ethoxide / CAS 150-46-9
Boron Ethoxide (CAS 150-46-9) is a high-purity boron alkoxide used in organic synthesis, thin-film deposition, and nanomaterials development. This moisture-sensitive ethoxide reagent enables controlled hydrolysis and boron integration in crystal growth, epitaxial layering, and metal-organic chemical vapor deposition (MOCVD). Trusted for semiconductor fabrication and advanced R&D workflows.
Safety
Transportation Information
UN1176, Ethyl borate, 3, II
Pictogram
Signal Word
Danger
Hazardous Statements
- H225Highly Flammable liquid and vapor.
- H319Causes serious eye irritation.
- H335May cause respiratory irritation.
Precautionary Phrases
- P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
- P233Keep container tightly closed.
- P240Ground/bond container and receiving equipment.
- P241Use explosion-proof electrical/ventilating/lighting/.../equipment.
- P242Use only non-sparking tools.
- P243Take precautionary measures against static discharge.
- P261Avoid breathing dust/fume/gas/mist/vapours/spray.
- P264Wash skin thoroughly after handling.
- P271Use only outdoors or in a well-ventilated area.
- P280Wear protective gloves/protective clothing/eye protection/face protection.
- P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
- P304+P340+P312IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing. Call a POISON CENTER or doctor/physician if you feel unwell.
- P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
- P337+P313IF eye irritation persists: Get medical advice/attention.
- P370+P378In case of fire: Use ... for extinction.
- P403+P233Store in a well-ventilated place. Keep container tightly closed.
Detailed Safety and Handling Information can be found on our Safety Data Sheet (SDS).

