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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 | ![]() |
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