Sigma-Aldrich
Potassium Phosphate Dibasic Anhydrous Free-Flowing ACS Reagent 98%, 2.5 kg
- Part Number:
- MIL-795496-25KG
- Lead Time:
- 7-14 days
- Shipping:
- FREE SHIPPING on most orders over $50*
- Quantity:
- each
- Size:
- 2.5 kg
- Style:
- chemical
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Description
Potassium Phosphate Dibasic Anhydrous Free-Flowing ACS Reagent 98%, 2.5 Kg
Synonym: Dipotassium hydrogenphosphate, Dipotassium phosphate, sec.-Potassium phosphate
- CAS Number 7758-11-4
- Linear Formula K2HPO4
- Molecular Weight 174.18
- EC Number 231-834-5
- MDL number MFCD00011383
- PubChem Substance ID 329768488
| Quality Level | 200 |
| grade | ACS reagent |
| Redi-Dri™ | |
| anhydrous | |
| assay | ≥98% |
| form | powder |
| quality | free-flowing |
| impurities | ≤0.001% Nitrogen compounds (as N) |
| ≤0.01% Insoluble matter | |
| loss | ≤1.0% loss on drying, 105°C |
| pH | 8.5-9.6 (25 °C, 5% in solution) |
| pKa (25 °C) | (1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid) |
| anion traces | chloride (Cl-): ≤0.003% |
| sulfate (SO42-): ≤0.005% | |
| cation traces | Fe: ≤0.001% |
| Na: ≤0.05% | |
| heavy metals: ≤5 ppm (by ICP-OES) | |
| SMILES string | [K+].[K+].OP([O-])([O-])=O |
| InChI | 1S/2K.H3O4P/c;;1-5(2,3)4/h;;(H3,1,2,3,4)/q2*+1;/p-2 |
| InChI key | ZPWVASYFFYYZEW-UHFFFAOYSA-L |
Safety Information
RIDADR NONH for all modes of transport
WGK Germany WGK 1
Flash Point(F) Not applicable
Flash Point(C) Not applicable
Documents
Warnings
Note: These chemicals are for research & laboratory use only. Your order will not be processed if you do not work for, and ship to, a registered laboratory or research facility. Not for topical applications. An official Declaration of Use form may be required.
Most chemicals cannot be expedited.
WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer and reproductive harm. Prop 65 Warning
Please note: This product is not returnable.
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