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Thiocyanic acid

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Thiocyanic acid[1]

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Spacefill model of thiocyanic acid colspan=2 style="background:#f8eaba; border-top:2px solid transparent; border-bottom:2px solid transparent; text-align:center;" #REDIRECTmw:Help:Magic words#Other
This page is a soft redirect. Names

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IUPAC name
Nitridosulfanidocarbon[2]
Other names
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This page is a soft redirect. Identifiers#REDIRECTmw:Help:Magic words#Other
This page is a soft redirect.- 3DMet B00344 463-56-9 7pxY ChEBI CHEBI:29200 7pxY ChEMBL ChEMBL84336 7pxY ChemSpider 760 7pxY EC number 207-337-4 25178 Jmol-3D images Image KEGG C01755 7pxN MeSH thiocyanic+acid PubChem Template:Chembox PubChem/format colspan=2 style="background:#f8eaba; border-top:2px solid transparent; border-bottom:2px solid transparent; text-align:center;" #REDIRECTmw:Help:Magic words#Other
This page is a soft redirect. Properties

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CHNS Molar mass Lua error in Module:Math at line 495: attempt to index field 'ParserFunctions' (a nil value). g·mol−1 Appearance colorless, oily liquid Odor pungent Density 2.04 g/cm3 Melting point Script error: No such module "convert". Miscible Solubility soluble in ethanol, diethyl ether log P 0.429 Acidity (pKa) 0.926 Basicity (pKb) 13.071 colspan=2 style="background:#f8eaba; border-top:2px solid transparent; border-bottom:2px solid transparent; text-align:center;" #REDIRECTmw:Help:Magic words#Other
This page is a soft redirect. Hazards

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EU Index 615-003-00-8 EU classification Harmful Xn R-phrases R20/21/22, R32, R52/53 S-phrases (S2), S13 colspan=2 style="background:#f8eaba; border-top:2px solid transparent; border-bottom:2px solid transparent; text-align:center;" #REDIRECTmw:Help:Magic words#Other
This page is a soft redirect. Related compounds

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Related alkanenitriles
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Thiocyanic acid is a chemical compound with the formula HSCN that exists as a mixture with the isomeric compound isothiocyanic acid (HNCS).[3] It is the sulfur analog of cyanic acid (HOCN).

It is a weak acid, bordering on strong, with a pKa of 1.1 at 20°C and extrapolated to zero ionic strength.[4]

HSCN is predicted to have a triple bond between carbon and nitrogen. It has been observed spectroscopically but has not been isolated as a pure substance.[5]

The salts and esters of thiocyanic acid are known as thiocyanates. The salts are composed of the thiocyanate ion (SCN) and a suitable metal cation (e.g., potassium thiocyanate, KSCN). The esters of thiocyanic acid have the general structure R-SCN.

References

  1. ^ Merck Index, 11th Edition, 9257.
  2. ^ "thiocyanic acid (CHEBI:29200)". Chemical Entities of Biological Interest. USA: European Bioinformatics Institute. 18 October 2009. Main. Retrieved 5 June 2012. 
  3. ^ Holleman, A. F.; Wiberg, E. Inorganic Chemistry Academic Press: San Diego, 2001. ISBN 0-12-352651-5.
  4. ^ Martell, A. E.; Smith, R. M.; Motelaitis, R. J. NIST Database 46 National Institute of Standards and Technology: Gaithersburg, MD, 2001.
  5. ^ Wierzejewska, M.; Mielke, Z. (2001). "Photolysis of Isothiocyanic Acid HNCS in Low-Temperature Matrices. Infrared Detection of HSCN and HSNC Isomers". Chemical Physics Letters 349: 227–234. doi:10.1016/S0009-2614(01)01180-0.