Boron trifluoride etherate
Agent Name
Boron trifluoride etherate
Alternative Name
Boron trifluoride diethyl ether
CAS Number
109-63-7
Formula
C4-H10-B-F3-O
Major Category
Metals
Synonyms
Borone trifluoride diethyl etherate; Bf3-ether complex; Borane, trifluoro-, cmpd with 1,1'-oxybis(ethane) (1:1); Boron fluoride - diethyl ether compound; Boron fluoride - ethyl ether complex; Boron fluoride - ethyl etherate; Boron fluoride diethyl ether complex; Boron fluoride diethyl etherate; Boron fluoride etherate; Boron fluoride ethyl ether; Boron fluoride monoetherate; Boron trifluoride - diethyl ether complex; Boron trifluoride - diethyl ether complex (1:1); Boron trifluoride - diethyl etherate; Boron trifluoride - ether complex; Boron trifluoride - ethyl ether; Boron trifluoride - ethyl ether (1:1); Boron trifluoride - ethyl ether complex; Boron trifluoride - ethyl etherate; Boron trifluoride etherate; Boron trifluoride ethyl etherate (1:1); Diethyl ether trifluoroborane complex; Ether, diethyl, borofluoride; Ethyl ether - boron trifluoride complex; Ethyl ether borofluoride; Ethyl ether, cmpd with boron fluoride (BF3) (1:1); Trifluorobon etherate; Trifluoroborane diethyl etherate; Trifluoroborane-1,1'-oxybis(ethane) (1:1); Trifluoroboron-diethyl ether complex; [ChemIDplus] UN2604
Category
Metalloid Compounds (Boron)
Description
Fuming, colorless liquid; [HSDB] Stable but highly flammable, pale yellow liquid; [ACGIH]
Sources/Uses
Used as a catalyst in chemical reactions (acetylation, alkylation, polymerization, dehydration, and condensation); [Merck Index #1349] Boron trifluoride ethers are effective reagents used as a source of boron trifluoride in the production of semiconductors and organic compounds; [ACGIH]
Comments
TLV Basis = respiratory tract irritation and pneumonitis; "Boron trifluoride is the key toxic exposure for workers handling or producing these materials." Reacts exothermically with water to release highly flammable ethers and corrosive boron trifluoride hydrates; [ACGIH] Corrosive to skin; [Quick CPC] Decomposes to form hydrogen fluoride in presence of moisture in air; [CAMEO]
Biomedical References
Exposure Assessment
TLV (ACGIH)
0.1 ppm, as BF3
Ceiling (ACGIH)
0.7 ppm
Vapor Pressure
4.2 mm Hg
Explanatory Notes
Flash point = 47.8 deg C; Explosive limits by volume in air: lower (5.1%); upper (36.0%); [ACGIH]
NFPA
high ambient temp required
Adverse Effects
Toxic Pneumonitis
Yes
Dermatotoxin
Skin burns
Diseases, Processes, and Activities Linked to This Agent
Other Information
No other related information on this agent was found.