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LC5254 di-Sodium tetraborate anhydrous 99.99 |
| Order number | Packaging | Quantity | Price € |
| AC32254 | Plastic bottle | 25 g | 63.90 |
| AC32254 | Plastic bottle | 250 g | 432.00 |
| Product information | |
| Synonyms | Borax |
| Hill Formula | B4Na2O7 |
| Chemical formula | Na2B4O7 |
| HS Code | 2840 11 00 |
| EC number | 215-540-4 |
| Molar mass | 201.21 g/mol |
| EC index number | 005-011-00-4 |
| CAS number | 1330-43-4 |
| Chemical and physical data | |
| Solubility | 25.6 g/l (20 °C) |
| Melting point | 742 °C |
| Molar mass | 201.21 g/mol |
| Density | 2.37 g/cm3 (20 °C) |
| Bulk density | 700 kg/m3 |
| pH value | 9.2 (25 g/l, H2O, 20 °C) |
| Boiling point | 1575 °C (decomposition) |
| Vapor pressure | 7.3 hPa (1200 °C) |
| Safety information according to GHS | |
| Hazard Statement(s) | H360FD: May damage fertility. May damage the unborn child. |
| Precautionary Statement(s) | P201: Obtain special instructions before use. P308 + P313: IF exposed or concerned: Get medical advice/ attention. |
| Signal Word | Danger |
| Hazard Pictogram(s) |  |
| RTECS | ED4588000 |
| Storage class | 6.1B Non combustible substances, toxic |
| WGK | WGK 1 slightly water endangering |
| Disposal | 3 Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C. |
| Safety information | |
| R Phrase | R 60-61 May impair fertility.May cause harm to the unborn child. |
| S Phrase | S 53-45 Avoid exposure – obtain special instructions before use.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible). |
| Categories of danger | toxic for reproduction |
| Hazard Symbol |  Toxic |
| Toxicological data | |
| LD 50 oral | LD50 rat 1200 mg/kg |
| LD 50 dermal | LD50 rabbit > 2000 mg/kg |
| Specifications | |
| Purity (metallic) | ≥ 99.99 % |
| Assay (acidimetric) | ≥ 99 % |
| Chloride (Cl) | ≤ 5 ppm |
| Phosphate (PO4) | ≤ 5 ppm |
| Silicate (SiO2) | ≤ 5 ppm |
| Sulphate (SO4) | ≤ 50 ppm |
| Ba (Barium) | ≤ 10 ppm |
| Ca (Calcium) | ≤ 5 ppm |
| Cd (Cadmium) | ≤ 0.05 ppm |
| Ce (Cerium) | ≤ 0.05 ppm |
| Co (Cobalt) | ≤ 0.1 ppm |
| Cr (Chromium) | ≤ 0.05 ppm |
| Cu (Copper) | ≤ 0.1 ppm |
| Eu (Europium) | ≤ 0.05 ppm |
| Fe (Iron) | ≤ 0.1 ppm |
| K (Potassium) | ≤ 50 ppm |
| La (Lanthanum) | ≤ 0.05 ppm |
| Li (Lithium) | ≤ 5 ppm |
| Mg (Magnesium) | ≤ 0.1 ppm |
| Mn (Manganese) | ≤ 0.05 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 ppm |
| Tl (Thallium) | ≤ 0.05 ppm |
| Y (Yttrium) | ≤ 0.05 ppm |
| Yb (Ytterbium) | ≤ 0.05 ppm |
| Zn (Zinc) | ≤ 0.05 ppm |