Sodium tetraborate decahydrate
SIAL/B3545 - BioXtra, ≥99.5%
Synonym: Borax decahydrate; Sodium borate decahydrate
CAS Number: 1303-96-4
Empirical Formula (Hill Notation): B4Na2O7 · 10H2O
Molecular Weight: 381.37
EC Number: 215-540-4
MDL Number: MFCD00149193
Linear Formula: Na2B4O7 · 10H2O
Product Type: Chemical
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.
This image depicts SKU: B3545-500G
This image depicts SKU: B3545-500G
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.
This image depicts SKU: B3545-1KG
This image depicts SKU: B3545-1KG
| anion traces | chloride (Cl-): ≤0.05% |
| sulfate (SO42-): ≤0.05% | |
| assay | ≥99.5% |
| cation traces | Al: ≤0.0005% |
| Ca: ≤0.01% | |
| Cu: ≤0.0005% | |
| Fe: ≤0.001% | |
| K: ≤0.005% | |
| Mg: ≤0.0005% | |
| NH4+: ≤0.05% | |
| Pb: ≤0.001% | |
| Zn: ≤0.0005% | |
| density | 1.73 g/mL at 25 °C (lit.) |
| form | powder |
| impurities | ≤0.001% Phosphorus (P) |
| ≤0.1% Insoluble matter | |
| InChI | 1S/B4O7.2Na.10H2O/c5-1-7- |
| InChI key | CDMADVZSLOHIFP-UHFFFAOYSA |
| pH | 9.2 (10 g/L) |
| product line | BioXtra |
| Quality Level | 200  |
| SMILES string | O.O.O.O.O.O.O.O.O.O.[Na+] |
| solubility | H2O: 0.1 M, clear, colorless |
| Application: | Sodium tetraborate decahydrate has been used: • as a buffer component in biotinylation assay. • in preparation of methylene blue solution for histological staining. • as a component of trace metal solution for medium supplementation. |
| Biochem/physiol Actions: | Sodium tetraborate decahydrate also called borax. Guar gum based gels crosslinked by borax are effective for wastewater treatment. Borax is used in the preparation of detergents and cosmetics. Borax elicits toxicity in the brain especially in aquatic organisms resulting in edema and congestion. |
| Packaging: | 1 kg in poly bottle |
| Packaging: | 500 g in poly bottle |
| Symbol |   GHS07,GHS08 |
| Signal word | Danger |
| Hazard statements | H319 - H360FD |
| Precautionary statements | P202 - P264 - P280 - P305 + P351 + P338 - P308 + P313 - P337 + P313 |
| Hazard Codes | T |
| Risk Statements | 60-61 |
| Safety Statements | 53-45 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 1 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | ≥99.5% |
| Density | 1.73 g/mL at 25 °C (lit.) |
| UNSPSC | 12352300 |