315 °C (anhydrous, decomp)
280 °C (hexahydrate, decomp) (partial decomposition to FeCl₂ + Cl₂)

40% solution: 12 cP

63 g/100 ml (18 °C)
highly soluble
83 g/100 ml
highly soluble in acetone
Methanol
Ethanol
Diethyl ether

74.4 g/100 mL (0 °C)
92 g/100 mL (hexahydrate, 20 °C) in water

2.898 g/cm³ (anhydrous)
1.82 g/cm³ (hexahydrate)

non-flammable

slight HCl

green-black by reflected light; purple-red by transmitted light
hexahydrate: yellow solid
aq. solutions: brown

306 °C (anhydrous)
37 °C (hexahydrate)

LJ9100000

DANGER

1773 (anhydrous)
2582 (aq. soln.)

listed

: Corr. Met. 1; Skin Corr. 1C; Eye Dam. 1

: Acute Tox. 4 (oral)

234,260,264,270,273,280,301+312,301+330+331,303+361+353,363,304+340,310,321,305+351+338,390,405,406,501

290,302,314,318