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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 | ![]() |
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 |