1.19754
di-Potassium hydrogen phosphate trihydrate
buffer substance for chromatography LiChropur™
Synonym(s):
di-Potassium hydrogen phosphate trihydrate, Potassium phosphate dibasic
About This Item
Recommended Products
grade
reagent grade
Quality Level
assay
≥99.0% (acidimetric)
form
solid
technique(s)
HPLC: suitable
pH
9.2-9.4 (20 °C, 50 g/L in H2O)
mp
340 °C (anhydrous substance; decomposes)
bulk density
800 kg/m3
storage temp.
2-30°C
SMILES string
[K+].[K+].[P](=O)([O-])([O-])O.O.O.O
1 of 4
This Item | P9666 | 529567-M | 1.05099 |
|---|---|---|---|
| form solid | form powder or crystals | form solid | form solid |
| assay ≥99.0% (acidimetric) | assay ≥99% | assay ≥98% (titration) | assay ≥99.0% (acidimetric) |
| Quality Level 100 | Quality Level 200 | Quality Level 100 | Quality Level 300 |
| pH 9.2-9.4 (20 °C, 50 g/L in H2O) | pH 9.2-9.4 (25 °C, 50 g/L) | pH - | pH 9.2-9.4 (20 °C, 50 g/L in H2O) |
| mp 340 °C (anhydrous substance; decomposes) | mp - | mp - | mp 340 °C (anhydrous substance; decomposes) |
| technique(s) HPLC: suitable | technique(s) - | technique(s) - | technique(s) - |
Analysis Note
pH-value (5 %; water): 9.2 - 9.4
Self-absorption (254 nm; 0.2 mol/l; 1 cm; water): ≤ 0.01
Self-absorption (220 nm; 0.2 mol/l; 1 cm; water): ≤ 0.03
Self-absorption (215 nm; 0.2 mol/l; 1 cm; water): ≤ 0.11
Legal Information
Storage Class
11 - Combustible Solids
wgk_germany
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
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