| 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 % |
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Key Spec Table
| CAS # | EC Number | Hill Formula | Chemical Formula |
|---|---|---|---|
| 12267-73-1 | 215-540-4 | B₄Na₂O₇*nH₂O (n=1,5-2) | Na₂B₄O₇ * nH₂O (n=1,5-2) |
| Description | |
|---|---|
| Catalogue Number | 106310 |
| Synonyms | Borax |
| Product Information | |
|---|---|
| CAS number | 12267-73-1 |
| EC index number | 005-011-00-4 |
| EC number | 215-540-4 |
| Hill Formula | B₄Na₂O₇*nH₂O (n=1,5-2) |
| Chemical formula | Na₂B₄O₇ * nH₂O (n=1,5-2) |
| HS Code | 2840 11 00 |
| Applications | |
|---|---|
| Application | di-Sodium tetraborate for analysis (ca. 85% Na₂B₄O₇). CAS 12267-73-1, pH 9 - 10 (25 g/l, H₂O, 20 °C). MSDS and product info below. |
| Physicochemical Information | |
|---|---|
| Boiling point | 1575 °C (1013 hPa) (anhydrous) |
| Density | 2.35 g/cm3 (26 °C) |
| Melting Point | 742 °C (anhydrous) |
| pH value | 9 - 10 (25 g/l, H₂O, 20 °C) |
| Bulk density | 680 kg/m3 |
| Solubility | 25 g/l (anhydrous) |
| Safety Information according to GHS | |
|---|---|
| Hazard Pictogram(s) |  |
| 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. |
| Storage class | 6.1 D Non combustible, acute toxicity cat. 3 / toxic or substances with chronic effects |
| 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 | |
|---|---|
| Hazard Symbols |  Toxic |
| Categories of danger | toxic for reproduction |
| 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). |
| Storage and Shipping Information | |
|---|---|
| Storage | Store at +5°C to +30°C. |
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