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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 | ![]() |
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 % |