Sodium Hydroxide Pellets 5Kg
pellets for analysis (max. 0.02% K) EMSURE® ACS,Reag. Ph Eur,ISO
Manufacturer: Merck
Catalog ID: 106469.5000
Stock: In Stock
Description
| Catalogue Number | 106469 |
| Replaces | SX0590; SX0590-20 |
| Synonyms | Soda caustic |
Product Information
| CAS number | 1310-73-2 |
| EC index number | 011-002-00-6 |
| EC number | 215-185-5 |
| Grade | ACS,Reag. Ph Eur,ISO |
| Hill Formula | HNaO |
| Chemical formula | NaOH |
| Molar Mass | 40.00 g/mol |
| HS Code | 2815 11 00 |
Physicochemical Information
| Density | 2.13 g/cm3 (20 °C) |
| Melting Point | 319 - 322 °C |
| pH value | >14 (100 g/l, H₂O, 20 °C) |
| Solubility | 1090 g/l |
Storage and Shipping Information
| Storage | Store at +5°C to +30°C. |
Specifications
| Assay (acidimetric,NaOH) | 99 - 100 % |
| Assay (total alkalinity calc. as NaOH) | 99 - 100 % |
| Identity | passes test |
| Appearance of solution | passes test |
| Carbonate (as Na₂CO₃) | ≤ 0.5 % |
| Chloride (Cl) | ≤ 0.0005 % |
| Phosphate (PO₄) | ≤ 0.0005 % |
| Silicate (SiO₂) | ≤ 0.001 % |
| Sulfate (SO₄) | ≤ 0.0005 % |
| Total nitrogen (N) | ≤ 0.0003 % |
| Heavy metals (as Ag) | ≤ 0.0005 % |
| Heavy metals (as Pb) | ≤ 0.0005 % |
| Al (Aluminium) | ≤ 0.0005 % |
| As (Arsenic) | ≤ 0.0001 % |
| Ca (Calcium) | ≤ 0.0005 % |
| Cu (Copper) | ≤ 0.0002 % |
| Fe (Iron) | ≤ 0.0005 % |
| Hg (Mercury) | ≤ 0.00001 % |
| K (Potassium) | ≤ 0.020 % |
| Mg (Magnesium) | ≤ 0.0005 % |
| Ni (Nickel) | ≤ 0.0005 % |
| Pb (Lead) | ≤ 0.0005 % |
| Zn (Zinc) | ≤ 0.001 % |
