Potassium dihydrogen orthophosphate(v)

• CAS: 7778-77-0
• Catalog Number: ACM7778770
• Category: Metal & Ceramic Materials
• Molecular Weight: 136.086g/mol
• Molecular Formula: KH2PO4;KH2PO4;KH2PO4;H2KO4P
• Description: DryPowder; Liquid; OtherSolid; PelletsLargeCrystals;Odourless, colourless crystals or white granular or crystalline powder;COLOURLESS CRYSTALS OR WHITE CRYSTALLINE POWDER.
• IUPAC Name: potassium;dihydrogen phosphate
• Canonical SMILES: OP(=O)(O)[O-].[K+]
• InChI: InChI=1S/K.H3O4P/c;1-5(2,3)4/h;(H3,1,2,3,4)/q+1;/p-1
• InChI Key: GNSKLFRGEWLPPA-UHFFFAOYSA-M
• Melting Point: Mp 272 °;253 °C;253 °C
• Density: 2.34 g/cu cm;2.34 g/cm³
• Solubility: Freely soluble in water. Insoluble in ethanol;Soluble in about 4.5 parts water; insoluble in alcohol;Solubility: 25 g/100 cc water at 25 °C. Slightly soluble in ethanol;Solubility in water, g/100ml: 22
• Color/Form: Colorless crystals or white granular powder;White tetragonal crystals
• Complexity: 61.9
• Covalently-Bonded Unit Count: 2
• EC Number: 231-913-4;231-913-4
• Exact Mass: 135.932777g/mol
• Formal Charge: 0
• H-Bond Acceptor: 4
• H-Bond Donor: 2
• Heavy Atom Count: 6
• ICSC Number: 1608
• Monoisotopic Mass: 135.932777g/mol
• Odor: Odorless
• Other Experimental: Permanent in air. At 400 °C loses water, forming metaphosphate;pH = 4.5 (1% aqueous solution). Forms ferroelectric crystals (Critical temperature = -151 °C);Solubility: 18 g/100g water /Monopotassium phosphate anhydrous/;At ordinary temperatures, monopotassium phosphate is so far above its Curie point as to give piezoelectric effects in which the emf is proportional to the distorting force. There is virtually no hysteresis.;Curie point: 123 K; Spontaneous polarization: 4.7 uC/cu cm at 110 K
• Refractive Index: Index of refraction: 1.5093, 1.4682, both at 589 nm
• Rotatable Bond Count: 0
• RTECS Number: TC6615500
• UNII: 4J9FJ0HL51

Custom Q&A

What is the molecular formula of Potassium dihydrogen orthophosphate?

The molecular formula of Potassium dihydrogen orthophosphate is KH2PO4.

What is the synonym for Potassium dihydrogen orthophosphate?

The synonym for Potassium dihydrogen orthophosphate is Monopotassium phosphate.

What is the molecular weight of Potassium dihydrogen orthophosphate?

The molecular weight of Potassium dihydrogen orthophosphate is 136.086 g/mol.

What are the component compounds of Potassium dihydrogen orthophosphate?

The component compounds are CID 1004 (Phosphoric Acid) and CID 5462222 (Potassium).

What is the IUPAC name of Potassium dihydrogen orthophosphate?

The IUPAC name of Potassium dihydrogen orthophosphate is potassium;dihydrogen phosphate.

What is the CAS number for Potassium dihydrogen orthophosphate?

The CAS number for Potassium dihydrogen orthophosphate is 7778-77-0.

What is the hydrogen bond donor count of Potassium dihydrogen orthophosphate?

The hydrogen bond donor count of Potassium dihydrogen orthophosphate is 2.

What is the hydrogen bond acceptor count of Potassium dihydrogen orthophosphate?

The hydrogen bond acceptor count of Potassium dihydrogen orthophosphate is 4.

What is the exact mass of Potassium dihydrogen orthophosphate?

The exact mass of Potassium dihydrogen orthophosphate is 135.93277702 g/mol.

What role does Potassium dihydrogen orthophosphate have in the context of agriculture?

Potassium dihydrogen orthophosphate has a role as a fertilizer and can be used in fertilizer mixtures to reduce escape of ammonia by keeping pH low.