Melting point :884 °C (lit.)
Boiling point :1700°C
Density :2.68 g/mL at 25 °C (lit.)
refractive index :1.484
storage temp. :Store at +5°C to +30°C.
solubility :H₂O: 1 M at 20 °C, clear, colorless
form :powder (fine)
Specific Gravity :2.68
color :White
PH :5.2-8.0 (50g/l, H2O, 20℃)
PH Range :5.2 - 9.2
Odor :wh. cryst. or powd., odorless, bitter saline taste
Water Solubility :18.5 mg/L
λmax :λ: 260 nm Amax: 0.015
λ: 280 nm Amax: 0.015 Sensitive :Hygroscopic
Merck :14,8680
Dielectric constant :2.7（Ambient）
Stability :Stable. Incompatible with strong acids, aluminium, magnesium, strong bases. Hygroscopic.
LogP :-1.031 (est)
CAS DataBase Reference :7757-82-6(CAS DataBase Reference)
NIST Chemistry Reference :Sodium sulfate(7757-82-6)
EPA Substance Registry System :Sodium sulfate (7757-82-6)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning P261, P272, P280, P302+P352,P333+P313, P321, P363, P501
Precautionary statements:	P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P272 Contaminated work clothing should not be allowed out of the workplace. P280 Wear protective gloves/protective clothing/eye protection/face protection. P302+P352 IF ON SKIN: wash with plenty of soap and water. P321 Specific treatment (see … on this label). P333+P313 IF SKIN irritation or rash occurs: Get medical advice/attention. P363 Wash contaminated clothing before reuse. P501 Dispose of contents/container to..…