Sodium Tetraborate Decahydrate AR 1Kg VWR
27727.297-1Kg
Toxic
|
Danger |
Synonyms: Sodium tetraborate decahydrate , Borax tetra
| Formula: Na2B3O4 ·10H2O MW: 381,37 g/mol Boiling Pt: 320 °C (1013 hPa) Melting Pt: 75 °C Density: 1,73 g/cm³ (20 °C) Storage Temperature: Ambient |
MDL Number: MFCD00149193 CAS Number: 1303-96-4 EINECS: 215-540-4 REACH: 01-2119490790-32 Merck Index: 13,08662 |
| Assay | 99.0 - 103.0 % |
| Appearance of solution | Passes test Ph.Eur. |
| CO3 (Carbo nate) | Passes test |
| Identification A | Passes test Ph.Eur. |
| Identification B | Passes test Ph.Eur. |
| Identification C | Passes test Ph.Eur. |
| Solution S | Passes test Ph.Eur. |
| pH (20°C; 4 %) | 9.0 - 9.6 |
| Heavy metals (as Pb) | Max. 5 ppm |
| Insolubility in w ater | Max. 50 ppm |
| Cl (Chlo ride) | Max. 5 ppm |
| NH4 (Amm onium) | Max. 10 ppm |
| PO4 (Phosp hate) | Max. 10 ppm |
| SO4 (Sulp hate) | Max. 20 ppm |
| As (Ars enic) | Max. 2 ppm |
| Ca (Cal cium) | Max. 100 ppm |
| Fe (Iro n) | Max. 5 ppm |
| Conforms to Reag. Ph.Eur. | Passes test |
Unit Qty: ea
Availability: 5 in stock
