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LC5253 di-Sodium tetraborateGR for analysis (ca. 85% Na2B4O7) |
| Order number | Packaging | Quantity | Price € |
| AC32253 | Plastic bottle | 250 g | 32.40 |
| Product information | |
| Synonyms | Borax |
| Hill Formula | B4Na2O7*nH2O (n=1,5-2) |
| Chemical formula | Na2B4O7 * nH2O (n=1,5-2) |
| HS Code | 2840 11 00 |
| EC number | 215-540-4 |
| EC index number | 005-011-00-4 |
| CAS number | 12267-73-1 |
| Chemical and physical data | |
| Solubility | ca.25 g/l (20 °C) (anhydrous) |
| Melting point | 742 °C (anhydrous) |
| Density | 2.3 g/cm3 (20 °C) |
| Bulk density | 680 kg/m3 |
| pH value | 9 – 10 (25 g/l, H2O, 20 °C) |
| Boiling point | 1575 °C (anhydrous) |
| Vapor pressure | (20 °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) |  |
| 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 |
| Specifications | |
| Assay (acidimetric) | ≥ 85.0 % |
| Chloride (Cl) | ≤ 0.002 % |
| Phosphate (PO4) | ≤ 0.002 % |
| Sulphate (SO4) | ≤ 0.01 % |
| Heavy metals (as Pb) | ≤ 0.002 % |
| Ca (Calcium) | ≤ 0.01 % |
| Fe (Iron) | ≤ 0.001 % |