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16045-88-8

16045-88-8 structural image
Product Name: BORON TRIFLUORIDE-METHANOL
Formula: BF3
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CHEMICAL AND PHYSICAL PROPERTIES

Physical Description Boron trifluoride is a colorless gas with a pungent odor. It is toxic by inhalation. It is soluble in water and slowly hydrolyzed by cold water to give off hydrofluoric acid, a corrosive material. Its vapors are heavier than air. Prolonged exposure of the containers to fire or heat may result in their violent rupturing and rocketing.
Color/Form Colorless gas
Odor Pungent, suffocating odor
Boiling Point -148 °F at 760 mmHg (NIOSH, 2023)
Melting Point -196.1 °F (EPA, 1998)
Solubility 106 % (in cold H2O) (NIOSH, 2023)
Density 1.6 (EPA, 1998) - Denser than water; will sink
Vapor Density 2.4 (EPA, 1998) - Heavier than air; will sink (Relative to Air)
Vapor Pressure 760 mmHg at -149.26 °F Liquid (EPA, 1998)
Stability/Shelf Life Boron trifluoride ... is stable in dry atmospheres.
Decomposition Dangerous; when heated to decomposition or upon contact with water or steam, will produce toxic and corrosive fumes of /hydrogen fluoride/.
Viscosity 0.0171 m Pa.s (gas) at 25 °C
Corrosivity Boron trifluoride will attack some forms of plastics, rubber, and coatings
Heat of Vaporization 19.33 kJ/mol at -101 °C
Surface Tension 17.2 mN/m at -100 °C
Ionization Potential 15.50 eV
Polymerization The substance will polymerize unsaturated compounds.
Odor Threshold Odor Threshold Low: 1.5 [ppm] Odor threshold from AIHA
Other Experimental Properties Forms dense white fumes in moist air; ... reacts with incandescence when heated with alkali metals or alkaline earth metals except magnesium
Chemical Classes Toxic Gases & Vapors -> Corrosive Gases

COMPUTED DESCRIPTORS

Molecular Weight 67.81 g/mol
Hydrogen Bond Donor Count 0
Hydrogen Bond Acceptor Count 3
Rotatable Bond Count 0
Exact Mass 68.0045147 g/mol
Monoisotopic Mass 68.0045147 g/mol
Topological Polar Surface Area 0 Ų
Heavy Atom Count 4
Formal Charge 0
Complexity 8
Isotope Atom Count 0
Defined Atom Stereocenter Count 0
Undefined Atom Stereocenter Count 0
Defined Bond Stereocenter Count 0
Undefined Bond Stereocenter Count 0
Covalently-Bonded Unit Count 1
Compound Is Canonicalized Yes

PRODUCT INTRODUCTION

description

Boron trifluoride is a colorless gas with a pungent odor. It is toxic by inhalation. It is soluble in water and slowly hydrolyzed by cold water to give off hydrofluoric acid, a corrosive material. Its vapors are heavier than air. Prolonged exposure of the containers to fire or heat may result in their violent rupturing and rocketing.