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di-Potassium hydrogen phosphate anhydrous for analysis EMSURE®
di-Potassium hydrogen phosphate anhydrous for analysis EMSURE®
Description
Catalogue Number = 105104
Synonyms = Dipotassium hydrogen phosphate, Potassium phosphate dibasic, Dipotassium Phosphate
Product Information
| CAS number | 7758-11-4 |
| EC number | 231-834-5 |
| Hill Formula | HK₂O₄P |
| Chemical formula | K₂HPO₄ |
| Molar Mass | 174.18 g/mol |
| HS Code | 2835 24 00 |
| Quality Level | MQ300 |
Specification
| Assay (alkalimetric) | ≥ 99.0 % |
| pH-value (5 %; water) | 8.7 – 9.3 |
| Chloride (Cl) | ≤ 0.003 % |
| Sulfate (SO₄) | ≤ 0.005 % |
| Total nitrogen (N) | ≤ 0.001 % |
| Heavy metals (as Pb) | ≤ 0.0005 % |
| Fe (Iron) | ≤ 0.0010 % |
| Na (Sodium) | ≤ 0.5 % |
| Loss on drying (130 °C) | ≤ 1.0 % |
Safety Information
| RTECS | TC5580000 |
| Storage class | 10 – 13 Other liquids and solids |
| WGK | WGK 1 slightly hazardous to water |
| Disposal | 14 Inorganic 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). |
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