Mercury(II) sulfate

Mercury(II) sulfate
Mercury(II) sulfate
Names
Other names
Mercuric sulfate, Mercurypersulfate, Mercury Bisulfate[1]
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.029.083 Edit this at Wikidata
EC Number
  • 231-992-5
RTECS number
  • OX0500000
UNII
UN number 1645
  • InChI=1S/Hg.H2O4S/c;1-5(2,3)4/h;(H2,1,2,3,4)/q+2;/p-2
    Key: DOBUSJIVSSJEDA-UHFFFAOYSA-L
  • [O-]S(=O)(=O)[O-].[Hg+2]
Properties
HgSO4
Molar mass 296.653 g/mol
Appearance white monoclinic crystals
Odor odorless
Density 6.47 g/cm3, solid
450 °C (dec.)[2]
Decomposes in water to yellow mercuric subsulfate and sulfuric acid
Solubility soluble in hot H2SO4, NaCl solution
insoluble in alcohol, acetone, ammonia
−78.1·10−6 cm3/mol
Structure
rhombic
Thermochemistry
−707.5 kJ mol−1[3]
Hazards
GHS labelling:[4]
GHS06: ToxicGHS08: Health hazardGHS09: Environmental hazard
Danger
H300, H310, H330, H373, H410
P260, P262, P264, P270, P271, P273, P280, P284, P301+P316, P302+P352, P304+P340, P316, P319, P320, P321, P330, P361+P364, P391, P403+P233, P405, P501
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 3: Short exposure could cause serious temporary or residual injury. E.g. chlorine gasFlammability 0: Will not burn. E.g. waterInstability 1: Normally stable, but can become unstable at elevated temperatures and pressures. E.g. calciumSpecial hazards (white): no code
3
0
1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Mercury(II) sulfate, commonly called mercuric sulfate, is the chemical compound HgSO4. It is an odorless salt that forms white granules or crystalline powder. In water, it separates into an insoluble basic sulfate with a yellow color and sulfuric acid.[3]

  1. ^ "Chemicalbook". Retrieved 2 May 2011.
  2. ^ Wu, Shengji; Uddin, Md. Azhar; Nagano, Saori; Ozaki, Masaki; Sasaoka, Eiji (2011). "Fundamental Study on Decomposition Characteristics of Mercury Compounds over Solid Powder by Temperature-Programmed Decomposition Desorption Mass Spectrometry". Energy & Fuels. 25 (1): 144–153. doi:10.1021/ef1009499.
  3. ^ a b Lide, David R. (1998). Handbook of Chemistry and Physics (87 ed.). Boca Raton, Florida: CRC Press. pp. 5–19. ISBN 0-8493-0594-2.
  4. ^ "Mercuric sulfate". pubchem.ncbi.nlm.nih.gov.