Melting point :110 °C (dec.)(lit.)
Density :2.284
vapor pressure :7.3 mm Hg ( 25 °C)
storage temp. :Store at +5°C to +30°C.
solubility :320 g/L (20°C)
form :Solid
Specific Gravity :2.284
color :fine blue crystals
PH :3.5-4.5 (25℃, 50mg/mL in H2O)
Odor :blue cryst. or cryst. gran. or powd., odorless
Water Solubility :320 g/L (20 ºC)
Merck :14,2653
Exposure limits :ACGIH: TWA 1 mg/m3
NIOSH: IDLH 100 mg/m3; TWA 1 mg/m3 CAS DataBase Reference :7758-99-8(CAS DataBase Reference)
EPA Substance Registry System :Copper sulfate pentahydrate (7758-99-8)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501 H318 Causes serious eye damage Serious eye damage/eye irritation Category 1 Danger P280, P305+P351+P338, P310 H410 Very toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 1 Warning P273, P391, P501
Precautionary statements:	P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P270 Do not eat, drink or smoke when using this product. P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection. P301+P312 IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.