Phosphotungstic acid hydrate,AR [CAS 12501-23-4]
Phosphotungstic acid hydrate,AR [CAS 12501-23-4]
SKU:QM-0206170-01
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Product Details
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CAS Number
[12501-23-4]
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Smiles
[H+].O=[W+4]1234[O-2][W+4]567(=O)[O-2][W+4]89(=O)([O-2]1)[O-2][W+4]%10%11%12(=O)[O-2][W+4]%13%14(=O)([O-2]2)[O-2][W+4]%15%16(=O)([O-2]3)[O-2][W+4]%17%18(=O)([O-2]5)[O-2][W+4]%19%20(=O)([O-2]6)[O-2][W+4]%21(=O)([O-2]8)([O-2]%10)[O-2][W+4]%22%23(=O)([O-2]%19)[O-2][W+4]%24(=O)([O-2]%15)([O-2]%17)[O-2][W+4](=O)([O-2]%13)([O-2]%11)([O-2]%22)[O-]%14%12P(=O479)([O-]%16%18%24)[O-]%20%21%23.O
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Target Antigen
Biochemical Assay Reagents
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Solubility
DMSO : 50 mg/mL (ultrasonic)
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Storage Conditions
4°C (Powder, sealed storage, away from moisture)
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Shipping Conditions
Room Temperature
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Phosphotungstic acid hydrate,AR [CAS 12501-23-4]
Phosphotungstic acid hydrate, AR (CAS 12501-23-4) is an analytical reagent (AR) grade inorganic acid supplied by Quantimol for laboratory and scientific research.
Phosphotungstic acid (PTA) is a heteropolyacid widely used as a negative staining agent in transmission electron microscopy (TEM), as a histological stain for collagen and connective tissue (Mallory’s trichrome), and as a precipitating agent for proteins and alkaloids. It is also used in electrochemistry and catalysis research.
Key properties:
- Chemical formula: H3PW12O40·xH2O
- CAS Number: 12501-23-4
- Grade: Analytical Reagent (AR)
- Molecular Weight: ~2880 g/mol (anhydrous)
- Appearance: Yellow-green crystalline solid
- Storage: Room temperature, dry conditions
- Solubility: Water, ethanol (soluble)
Applications: Transmission electron microscopy (TEM) negative staining, histological staining (Mallory’s trichrome), protein precipitation, alkaloid detection, electrochemistry, heterogeneous catalysis.
Supplied by Quantimol as an analytical reagent for research use only. Not for human or veterinary use.