| send us an inquiry |
LC5255 di-Sodium tetraborate decahydrateGR for analysis |
| Order number | Packaging | Quantity | Price € |
| AC32255 | Plastic bottle | 500 g | 20.70 |
| AC32255 | Plastic bottle | 1 kg | 34.65 |
| AC32255 | Fibre carton | 50 kg | inquire |
| Product information | |
| Synonyms | Borax, Sodium biborate decahydrate, Sodium borate decahydrate |
| Hill Formula | B4Na2O7*10H2O |
| Chemical formula | Na2B4O7*10 H2O |
| HS Code | 2840 19 90 |
| EC number | 215-540-4 |
| Molar mass | 381.32 g/mol |
| EC index number | 005-011-01-1 |
| CAS number | 1303-96-4 |
| Chemical and physical data | |
| Solubility | 51.4 g/l (20 °C) |
| Melting point | 75 °C Elimination of water of crystallisation |
| Molar mass | 381.32 g/mol |
| Density | 1.72 g/cm3 (20 °C) |
| Bulk density | 750 kg/m3 |
| pH value | 9.2 (47 g/l, H2O, 20 °C) |
| Vapor pressure | 0.213 hPa (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) |  |
| RTECS | VZ2275000 |
| 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 2660 mg/kg |
| LD 50 dermal | LD50 rabbit > 2000 mg/kg |
| Specifications | |
| Assay (acidimetric) | 99.5 – 103.0 % |
| Identity | passes test |
| Clarity of solution | passes test |
| Insoluble matter | ≤ 0.005 % |
| pH-value – 0.01 M Solution, 25 °C |
9.15 – 9.20 |
| – 4 %, water | 9.0 – 9.6 |
| Chloride (Cl) | ≤ 0.0007 % |
| Phosphate (PO4) | ≤ 0.001 % |
| Sulphate (SO4) | ≤ 0.005 % |
| Heavy metals (as Pb) | ≤ 0.001 % |
| As (Arsenic) | ≤ 0.0005 % |
| Ca (Calcium) | ≤ 0.005 % |
| Cu (Copper) | ≤ 0.0005 % |
| Fe (Iron) | ≤ 0.0005 % |
| NH4 (Ammonium) | ≤ 0.001 % |
| Pb (Lead) | ≤ 0.0005 % |
passes test