Melting point :430 °C(lit.)
Boiling point :720 °C
Density :7 g/mL at 25 °C(lit.)
vapor pressure :10 mm Hg ( 517 °C)
refractive index :2.247
storage temp. :Poison room
solubility :ethanol: insoluble(lit.)
form :beads
color :White to off-white
Specific Gravity :7.004
Water Solubility :Slightly soluble in water. Insoluble in alcohol, and acetone.
Sensitive :Air Sensitive
Crystal Structure :CsCl type
crystal system :Cube
Merck :14,9260
Solubility Product Constant (Ksp) :pKsp: 3.73
Space group :Pm3m
Lattice constant :

a/nm	b/nm	c/nm	α/o	β/o	γ/o	V/nm3
0.3842	0.3842	0.3842	90	90	90	0.0567

Dielectric constant :2.2（20℃）
Exposure limits :ACGIH: TWA 0.02 mg/m3 (Skin)
NIOSH: IDLH 15 mg/m3; TWA 0.1 mg/m3 CAS DataBase Reference :7791-12-0(CAS DataBase Reference)
EPA Substance Registry System :Thallium(I) chloride (7791-12-0)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H373 May cause damage to organs through prolonged or repeated exposure Specific target organ toxicity, repeated exposure Category 2 Warning P260, P314, P501 H411 Toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 2
Precautionary statements:	P273 Avoid release to the environment. P314 Get medical advice/attention if you feel unwell.