| Description | |
|---|---|
| Catalogue Number | 106637 |
| Product Information | |
|---|---|
| CAS number | 7757-82-6 |
| EC number | 231-820-9 |
| Grade | ACS |
| Hill Formula | Na₂O₄S |
| Chemical formula | Na₂SO₄ |
| Molar Mass | 142.04 g/mol |
| HS Code | 2833 11 00 |
| Applications | |
|---|---|
| Application | Sodium sulfate anhydrous, coarse granules for analysis 0.63 - 2.0 mm EMSURE® ACS. CAS No. 7757-82-6, EC Number 231-820-9. |
| Physicochemical Information | |
|---|---|
| Density | 2.70 g/cm3 (20 °C) |
| Melting Point | 888 °C |
| pH value | 5.2 - 8.0 (50 g/l, H₂O, 20 °C) |
| Bulk density | 1400 - 1600 kg/m3 |
| Solubility | 200 g/l |
| Toxicological Information | |
|---|---|
| LD 50 oral | LD50 Rat > 2000 mg/kg |
| Safety Information according to GHS | |
|---|---|
| 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). |
| Storage and Shipping Information | |
|---|---|
| Storage | Store at +5°C to +30°C. |
| Transport Information | |
|---|---|
| Declaration (railroad and road) ADR, RID | Kein Gefahrgut |
| Declaration (transport by air) IATA-DGR | No Dangerous Good |
| Declaration (transport by sea) IMDG-Code | No Dangerous Good |
| Specifications | |
|---|---|
| Assay (acidimetric) | ≥ 99.0 % |
| Identity | passes test |
| Insoluble matter | ≤ 0.01 % |
| pH-value (5 %; water) | 5.2 - 9.2 |
| Chloride (Cl) | ≤ 0.001 % |
| Phosphate (PO₄) | ≤ 0.001 % |
| Total nitrogen (N) | ≤ 0.0005 % |
| Heavy metals (as Pb) | ≤ 0.0005 % |
| As (Arsenic) | ≤ 0.0001 % |
| Ca (Calcium) | ≤ 0.01 % |
| Fe (Iron) | ≤ 0.0005 % |
| K (Potassium) | ≤ 0.002 % |
| Mg (Magnesium) | ≤ 0.001 % |
| Loss on ignition (800 °C) | ≤ 0.5 % |
| Particle size (250-2000 µm) | ≥ 85 % |
| Corresponds to ACS | |