4 °C

exothermic decomposition (anhydrous)
very soluble (dihydrate) in water

soluble in benzene, toluene, hexane, chloroform and methylene chloride

-126.8 °C, 146.4 K

-100.3 °C, 172.9 K

colorless gas (anhydrous)
colorless liquid (dihydrate)

0.00276 g/cm³ (anhydrous gas)
1.64 g/cm³ (dihydrate)

: Acute Tox. 2

: Skin Corr. 1A

: Press. Gas

S1/2,S9,S26,S28,S36/37/39,S45

Compressed: 1008.
Boron trifluoride dihydrate: 2851.

DANGER

Very toxic (T+)

Corrosive (C)

005-001-00-X

R14,R26,R35

ED2275000

330,314