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LC5240 Sodium sulfate anhydrous extra pure fine powder |
Order number | Packaging | Quantity | Price € |
AC32240 | Plastic bottle | 2.5 kg | inquire |
AC32240 | Fiber carton | 25 kg | inquire |
Product information | |
Hill Formula | Na2O4S |
Chemical formula | Na2SO4 |
HS Code | 2833 11 00 |
EC number | 231-820-9 |
Molar mass | 142.04 g/mol |
CAS number | 7757-82-6 |
Chemical and physical data | |
Solubility | 200 g/l (20 °C) |
Melting point | 888 °C |
Molar mass | 142.04 g/mol |
Density | 2.70 g/cm3 (20 °C) |
Bulk density | 1400 – 1600 kg/m3 |
pH value | 4 – 7 (200 g/l, H2O, 20 °C) |
Safety information | |
RTECS | WE1650000 |
Storage class | 10 – 13 Other liquids and solids |
WGK | WGK 1 slightly water endangering |
Disposal | 14 Inorganic salts: Container I. Neutral solutions of the these salts: Container D. Before placing in Container D, check the pH with pH-Universal indicator strips (Item No. 109535). |
Specifications | |
Assay (alkalimetric, calculated on dried substance) | 99.0 – 100.5 % |
Identity | passes test |
Appearance of solution | passes test |
Acidity or alkalinity | passes test |
pH-value (5 %; water) | 5.2 – 8.0 |
Chloride (Cl) | ≤ 0.002 % |
Heavy metals (as Pb) | ≤ 0.001 % |
As (Arsenic) | ≤ 0.0003 % |
Ca (Calcium) | ≤ 0.005 % |
Fe (Iron) | ≤ 0.001 % |
Mg (Magnesium) | ≤ 0.001 % |
Residual solvents (Ph.Eur./USP/ICH) | excluded by manufacturing process |
Loss on drying (130 °C) | ≤ 0.5 % |
Particle size (> 0.15 mm) | ≤ 1.0 % |