Sodium tetraborate decahydrate
SIGALD/11625 - puriss., meets analytical specification of Ph. Eur., BP, NF, 99.0-103.0%
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
| agency | Ph. Eur. |
| anion traces | chloride (Cl-): ≤50 mg/kg |
| sulfate (SO42-): ≤50 mg/kg | |
| assay | 99.0-103.0% |
| cation traces | As: ≤3 mg/kg |
| Ca: ≤100 mg/kg | |
| Fe: ≤20 mg/kg | |
| Mg: ≤10 mg/kg | |
| density | 1.73 g/mL at 25 °C (lit.) |
| form | crystalline |
| grade | puriss. |
| impurities | carbonate and Bicarbonate, complies |
| organic volatile impurities, complies | |
| residual solvents, complies | |
| ≤0.001% ammonium (NH4) | |
| ≤0.002% heavy metals (as Pb) | |
| InChI | 1S/B4O7.2Na.10H2O/c5-1-7- |
| InChI key | CDMADVZSLOHIFP-UHFFFAOYSA |
| pH | 9.0-9.6 (20 °C, 5%) |
| quality | meets analytical specification of Ph. Eur., BP, NF |
| Quality Level | 200  |
| SMILES string | O.O.O.O.O.O.O.O.O.O.[Na+] |
| storage temp. | room temp |
| suitability | complies for appearance of solution |
| 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 | 99.0-103.0% |
| Density | 1.73 g/mL at 25 °C (lit.) |
| Storage Temp. | room temp |
| UNSPSC | 12352300 |