MERCK 106586.0500 di-Sodium Hydrogen Phosphate Anhydrous GR ACS CAS No.7558-79-4
| Description |
|---|
| Catalogue Number | 106586 |
| Replaces | SX0720; SX0720-1; SX0720-5; SX0720-7; SX0720-20 |
| Description | di-Sodium hydrogen phosphate |
| Product Information |
|---|
| CAS number | 7558-79-4 |
| EC number | 231-448-7 |
| Grade | ACS,Reag. Ph Eur |
| Hill Formula | HNa₂O₄P |
| Chemical formula | Na₂HPO₄ |
| Molar Mass | 141.96 g/mol |
| HS Code | 2835 22 00 |
| Quality Level | MQ300 |
| Physicochemical Information |
|---|
| Density | 1.53 g/cm3 (20 °C) |
| Melting Point | >450 °C (decomposition) |
| pH value | 8.9 - 9.2 (50 g/l, H₂O, 25 °C) |
| Bulk density | 880 kg/m3 |
| Solubility | 77 g/l |
| Toxicological Information |
|---|
| LD 50 oral | LD50 Rat > 2000 mg/kg |
| Safety Information according to GHS |
|---|
| RTECS | WC4500000 |
| Storage class | 10 - 13 Other liquids and solids |
| WGK | WGK 1 slightly hazardous to water |
| Disposal | 14Inorganic salts: Container I. Neutral solutions of the these salts: Container D. Before placing in Container D, check the pH with pH-Universal indicator strips (Item No. 109535). |
| Storage and Shipping Information |
|---|
| Storage | Store at +2°C to +30°C. |
| Transport Information |
|---|
| Declaration (railroad and road) ADR, RID | Kein Gefahrgut |
| Declaration (transport by air) IATA-DGR | No Dangerous Good |
| Declaration (transport by sea) IMDG-Code | No Dangerous Good |
| Specifications |
|---|
| Assay (alkalimetric) | ≥ 99.0 % |
| Insoluble matter | ≤ 0.01 % |
| pH-value (5 %; water, 25 °C) | 8.7 - 9.3 |
| Chloride (Cl) | ≤ 0.002 % |
| Sulfate (SO₄) | ≤ 0.005 % |
| Heavy metals (ACS) | ≤ 0.001 % |
| Cu (Copper) | ≤ 0.0003 % |
| Fe (Iron) | ≤ 0.001 % |
| K (Potassium) | ≤ 0.01 % |
| Pb (Lead) | ≤ 0.001 % |
| Loss on Drying (105 °C) | ≤ 0.2 % |
| Corresponds to ACS, Reag. Ph Eur |
| Global Trade Item Number |
|---|
| Catalogue Number | GTIN |
|---|
| 1065860500 | 04022536079639 |
| 1065861000 | 04027269055516 |
| 1065862500 | 04022536079653 |
| 1065869012 | 04027269691431 |
| 1065869050 | 04022536079677 |
