Di-Sodium Tetraborate Anhydrous 250G
di-Sodium tetraborate anhydrous 99.99 Suprapur®. CAS 1330-43-4, chemical formula Na₂B₄O₇.
Manufacturer: Merck
Catalog ID: 106309.0250
Stock: In Stock
Description
| Catalogue Number | 106309 |
| Synonyms | Borax |
| Description | di-Sodium tetraborate |
Product Information
| CAS number | 1330-43-4 |
| EC index number | 005-011-00-4 |
| EC number | 215-540-4 |
| Hill Formula | B₄Na₂O₇ |
| Chemical formula | Na₂B₄O₇ |
| Molar Mass | 201.21 g/mol |
| HS Code | 2840 11 00 |
Applications
| Application | di-Sodium tetraborate anhydrous 99.99 Suprapur®. CAS 1330-43-4, chemical formula Na₂B₄O₇. |
Physicochemical Information
| Density | 2.37 g/cm3 (20 °C) |
| Melting Point | 742 °C |
| pH value | 9.2 (25 g/l, H₂O, 20 °C) |
| Vapor pressure | 7.3 hPa (1200 °C) |
| Bulk density | 700 kg/m3 |
| Solubility | 25.6 g/l |
Toxicological Information
| LD 50 dermal | LD50 Rabbit > 2000 mg/kg |
Storage and Shipping Information
| Storage | Store at +5°C to +30°C. |
Specifications
| Purity (metallic) | ≥ 99.99 % |
| Assay (acidimetric) | ≥ 99 % |
| Chloride (Cl) | ≤ 5 ppm |
| Phosphate (PO₄) | ≤ 5 ppm |
| Silicate (SiO₂) | ≤ 5 ppm |
| Sulfate (SO₄) | ≤ 50 ppm |
| Ba (Barium) | ≤ 10.0 ppm |
| Ca (Calcium) | ≤ 5.0 ppm |
| Cd (Cadmium) | ≤ 0.050 ppm |
| Ce (Cerium) | ≤ 0.05 ppm |
| Co (Cobalt) | ≤ 0.100 ppm |
| Cr (Chromium) | ≤ 0.05 ppm |
| Cu (Copper) | ≤ 0.10 ppm |
| Eu (Europium) | ≤ 0.05 ppm |
| Fe (Iron) | ≤ 0.10 ppm |
| K (Potassium) | ≤ 50 ppm |
| La (Lanthanum) | ≤ 0.05 ppm |
| Li (Lithium) | ≤ 5.0 ppm |
| Mg (Magnesium) | ≤ 0.10 ppm |
| Mn (Manganese) | ≤ 0.050 ppm |
| Ni (Nickel) | ≤ 0.05 ppm |
| Pb (Lead) | ≤ 0.05 ppm |
| Rb (Rubidium) | ≤ 5 ppm |
| Sc (Scandium) | ≤ 0.05 ppm |
| Sm (Samarium) | ≤ 0.05 ppm |
| Sr (Strontium) | ≤ 5.00 ppm |
| Tl (Thallium) | ≤ 0.05 ppm |
| Y (Yttrium) | ≤ 0.05 ppm |
| Yb (Ytterbium) | ≤ 0.050 ppm |
| Zn (Zinc) | ≤ 0.05 ppm |
