Melting point :718 °C(lit.)
Boiling point :1500°C
Density :3,7 g/cm³
storage temp. :under inert gas (nitrogen or Argon) at 2-8°C
solubility :soluble in H2O
form :powder
color :Off-white to pink
Water Solubility :Soluble in water.
Crystal Structure :AlCl3 type
Sensitive :Hygroscopic
Merck :14,4727
crystal system :Monoclinic
Space group :C2/m
Lattice constant :

a/nm	b/nm	c/nm	α/o	β/o	γ/o	V/nm3
0.685	1.185	0.639	90	110.8	90	0.485

Stability :hygroscopic
CAS DataBase Reference :10138-62-2(CAS DataBase Reference)
EPA Substance Registry System :Holmium chloride (HoCl3) (10138-62-2)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:	P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P271 Use only outdoors or in a well-ventilated area. P280 Wear protective gloves/protective clothing/eye protection/face protection. P302+P352 IF ON SKIN: wash with plenty of soap and water. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.