Synonyms:
Crimidesa; Mirabilite; Thenardite; Sal mirabil; Natriumsulfate; Glaubers Salt

CAS No:
7757-82-6

Molecular Formula:
Na2SO4

Molecular Weight:
142.0

Purity:
≥99%

Appearance:
White crystalline powder

Solubility:
Colorless, clear, complete

pH (5%):
5.2-9.2

Insoluble Matter:
≤0.01%

Loss on Ignition:
≤0.5%

Chloride:
≤0.001%

Nitrogen Compounds (N):
≤0.0005%

Heavy Metals:
≤0.0005%

Iron:
≤0.001%

Calcium:
≤0.01%

Magnesium:
≤0.005%

Potassium:
≤0.01%

Phosphate:
≤0.001%

Melting Point:
884°C(lit.)

Boiling Point:
1700°C

Density:
2.68g/mL at 25°C(lit.)
refractive index 
1.484

Storage and Stability:
Store at RT. Stable for 12 months after receipt. Hygroscopic. Keep tightly closed and desiccated.

Meets or exceeds ACS Specifications