Potassium Formate - Wikipedia

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Appearance move to sidebar hide From Wikipedia, the free encyclopedia Potassium formate[1]

Names
Preferred IUPAC name Potassium formate
Identifiers
CAS Number	590-29-4 Y
3D model (JSmol)	Interactive image
ChemSpider	11054 N
ECHA InfoCard	100.008.799
PubChem CID	11539
UNII	25I90B156L Y
CompTox Dashboard (EPA)	DTXSID6029626
InChI InChI=1S/CH2O2.K/c2-1-3;/h1H,(H,2,3);/q;+1/p-1 NKey: WFIZEGIEIOHZCP-UHFFFAOYSA-M N InChI=1/CH2O2.K/c2-1-3;/h1H,(H,2,3);/q;+1/p-1Key: WFIZEGIEIOHZCP-REWHXWOFAK
SMILES C(=O)[O-].[K+]
Properties
Chemical formula	CHKO2
Molar mass	84.115 g·mol−1
Appearance	Colorless deliquescent crystals
Density	1.908 g/cm3
Melting point	167.5 °C (333.5 °F; 440.6 K)
Boiling point	Decomposes
Solubility in water	32.8 g/100 mL (0 °C) 331 g/100 mL (25°C) 657 g/100 mL (80 °C)
Solubility	soluble in alcohol insoluble in ether
Basicity (pKb)	10.25
Hazards
GHS labelling:
Pictograms
Signal word	Warning
Hazard statements	H315, H319, H335
Precautionary statements	P261, P280, P302+P352, P305+P351+P338
Lethal dose or concentration (LD, LC):
LD50 (median dose)	5500 mg/kg (oral, mouse)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). N verify (what is YN ?) Infobox references

Chemical compound

Potassium formate, HCO2K, HCOOK, or KHCO2, is the potassium salt of formic acid. This strongly hygroscopic white solid[2] is an intermediate in the formate potash process for the production of potassium.[3] Potassium formate has also been studied as a potential environmentally friendly deicing salt for use on roads.[4][5] It has also been suggested for use in a less corrosive liquid desiccant.[6] A 52% solution of potassium formate has a freezing point of −60 °C (−76 °F).[7] Potassium formate brines are sometimes used for heat transfer, despite being much more corrosive than many other liquid coolants, especially to zinc and aluminum but even to many steels,[8] though some formulations are compatible with aluminum and steels.[9]

Since 1995, potassium formate has been increasingly used in aqueous drilling fluids to increase density, stabilize the hole, and improve drilling performance.[10][11][12]

References

[edit]

1. ^ Olsen, J C (editor), Van Nostrand's Chemical Annual, Chapman and Hall, London, 1934
2. ^ "MSDS - 294454". www.sigmaaldrich.com. Retrieved 2019-03-18.
3. ^ Concise Encyclopedia Chemistry, Mary Eagleson (1994), page 888. ISBN 978-3-11-011451-5
4. ^ "Finnish Environment Institute > Main publications on the effect of de-icing chemicals on ground water". www.syke.fi. Retrieved 2015-11-18.
5. ^ Pasi P. Hellstén; Jani M. Salminen; Kirsten S. Jørgensen & Taina H. Nystén (2005). "Use of potassium formate in road winter deicing can reduce groundwater deterioration". Environ. Sci. Technol. 39 (13): 5095–5100. Bibcode:2005EnST...39.5095H. doi:10.1021/es0482738. PMID 16053115.
6. ^ "Module 71: Liquid desiccants for dehumidification in building air conditioning systems".
7. ^ "Potassium Formate for Runway Deicing".
8. ^ "Brines and antifreeze". Retrieved 2022-01-16.
9. ^ "Technical information on "TYFOXIT F15-F50: Ready-to-Use, High-Performance Ultra Low Viscous Secondary Refrigerants for Applications Down to –50 °C"" (PDF). Retrieved 2022-01-16.
10. ^ Hallman, John (August 1, 1996). "Use of formate-based fluids for drilling and completion". Offshore. Endeavor Business Media. Retrieved November 5, 2024.
11. ^ van Oort, Eric (April 2017). "Shale Stabilization by High-Salinity Formate Drilling Fluids" (PDF). www.aade.org. American Association of Drilling Engineers. Retrieved November 5, 2024.
12. ^ Kazemihokmabad, Parsa; Khamehchi, Ehsan; Kalatehno, Javad; Ebadi, Reza (June 1, 2024). "A comparative study of brine solutions as completion fluids for oil and gas fields". Scientific Reports. 14. Retrieved November 5, 2024.

v t e Potassium compounds
H, (pseudo)halogens	KBr KBrO3 KBrO4 KCl KClO KClO2 KClO3 KClO4 KCN KCNO KF KHF2 KH KI KIO3 KIO4 KOCN KSCN
chalcogens	K2O KOH K2O2 KO2 KO3 K2S KHS K2SO3 KHSO3 K2SO4 KHSO4 KHSO5 K2S2O3 K2S2O5 K2S2O7 K2S2O8 K2Se K2SeO4 K2Te K2TeO3 K2Po
pnictogens	KAsO2 KH2AsO4 K3N KN3 KNH2 KNO2 KNO3 K2HPO4 KH2PO3 KH2PO4 K3P KPF6 K3PO4
B, C group	KBF4 K2Al2B2O7 K2Al2O4 K2CO3 KHCO3 K2SiF6 K2SiO3
transition metals	K2ReBr6 KCrO3Cl K4Mo2Cl8 K2OsCl6 K2PtCl4 K2PtCl6 K2ReCl6 K3CrO4 K2CrO4 K3CrO8 K2Cr2O7 K2FeO4 K4[Fe(CN)6]·3H2O K3[Fe(CN)6] K3[Fe(C2O4)3] K2TiF6 K2ReF6 KAsF6 K2ZrF6 K2ReI6 K2[Pt(CN)4] K2MnO4 KMnO4
organic	KHCO2 KCH3CO2 KCF3CO2 KHC2O4 C6H5COOK KC8H5O4 KC12H23O2 KC18H35O2 CF3KO3S

This article about an organic compound is a stub. You can help Wikipedia by expanding it.

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