Sodium Sulfate Anhydrous GR 1kg
anhydrous for analysis EMSURE® ACS,ISO,Reag. Ph Eur
Manufacturer: Merck
Catalog ID: 106649.1000
Stock: In Stock
Description
| Catalogue Number | 106649 |
| Replaces | SX0761-20 |
Product Information
| CAS number | 7757-82-6 |
| EC number | 231-820-9 |
| Grade | ACS,ISO,Reag. Ph Eur |
| Hill Formula | Na₂O₄S |
| Chemical formula | Na₂SO₄ |
| Molar Mass | 142.04 g/mol |
| HS Code | 2833 11 00 |
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 |
Storage and Shipping Information
| Storage | Store at +5°C to +30°C. |
Specifications
| Assay (alkalimetric) | ≥ 99.0 % |
| Assay (alkalimetric, calculated on dried substance) | 98.5 - 101.0 % |
| Identity | passes test |
| Appearance of solution | passes test |
| Insoluble matter | ≤ 0.01 % |
| Acidity or alkalinity | passes test |
| pH-value (5 %; water; 25 °C) | 5.2 - 8.0 |
| Chloride (Cl) | ≤ 0.001 % |
| Phosphate (PO₄) | ≤ 0.001 % |
| Total nitrogen (N) | ≤ 0.0005 % |
| Heavy metals (ACS) | ≤ 0.0005 % |
| Heavy metals (as Pb) | ≤ 0.0005 % |
| As (Arsenic) | ≤ 0.0001 % |
| Ca (Calcium) | ≤ 0.005 % |
| Fe (Iron) | ≤ 0.0005 % |
| K (Potassium) | ≤ 0.002 % |
| Mg (Magnesium) | ≤ 0.001 % |
| Loss on drying (130 °C) | ≤ 0.5 % |
| Loss on ignition (800 °C) | ≤ 0.5 % |
| Corresponds to ACS, ISO, Reag. Ph Eur |
