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M4128

Mercury(II) thiocyanate

96.5-103.5% (titration)

Synonym(s):

Mercuric isothiocyanate, Mercuric sulfocyanide, Mercuric thiocyanate, Mercury di(thiocyanate), Thiocyanic acid, mercury(II) salt

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About This Item

Linear Formula:
Hg(SCN)2
CAS Number:
592-85-8
Molecular Weight:
316.75
UNSPSC Code:
12161600
NACRES:
NA.22
PubChem Substance ID:
57654384
EC Number:
209-773-0
Beilstein/REAXYS Number:
3561344
MDL number:
MFCD00011039

Key Documents

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InChI key

GBZANUMDJPCQHY-UHFFFAOYSA-L

InChI

1S/2CHNS.Hg/c2*2-1-3;/h2*3H;/q;;+2/p-2

SMILES string

N#CS[Hg]SC#N

assay

96.5-103.5% (titration)

reaction suitability

core: mercury, reagent type: catalyst

mp

165 °C (dec.) (lit.)

density

3.71 g/mL at 25 °C (lit.)

Quality Level

200

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This Item
8337421546583352
Mercury(II) thiocyanate 96.5-103.5% (titration)

Sigma-Aldrich

M4128

Mercury(II) thiocyanate

Mercury(II) thiocyanate purum p.a., ≥95.5% (complexometric)

Sigma-Aldrich

83374

Mercury(II) thiocyanate

Mercury(II) chloride ACS reagent, ≥99.5%

Sigma-Aldrich

215465

Mercury(II) chloride

Mercury(II) acetate puriss. p.a., ACS reagent, ≥99.0% (precipitation titration)

Sigma-Aldrich

83352

Mercury(II) acetate

assay

96.5-103.5% (titration)

assay

≥95.5% (complexometric)

assay

≥99.5%

assay

≥99.0% (precipitation titration)

reaction suitability

core: mercury, reagent type: catalyst

reaction suitability

core: mercury, reagent type: catalyst

reaction suitability

-

reaction suitability

-

Quality Level

200

Quality Level

100

Quality Level

200

Quality Level

200

density

3.71 g/mL at 25 °C (lit.)

density

3.71 g/mL at 25 °C (lit.)

density

-

density

-

mp

165 °C (dec.) (lit.)

mp

165 °C (dec.) (lit.)

mp

277 °C (lit.)

mp

179-182 °C (lit.)

General description

Mercury(II) thiocyanate is the coordination complex of Hg2+ and the thiocyanate ion(SCN-). It is primary used as catalyst for the addition of thiocyanic acid (HSCN) across the triple bond of a variety of alkynes and as a precursor to synthesize other thiocyanate complexes. Within analytical chemistry, it is also used for the colorimetric determination of chloride ions in water.

Application

Mercury(II) thiocyanate can be employed as a reactant for the synthesis of:

  • Polymeric mercury(II) coordination complexes with various derivatives of 4,4′-bipyridine ligands via the branched tube method.
  • Manganese mercury thiocyanate (MMTC), an organometallic optical single-crystal.
  • Heterotrinuclear copper(II)–mercury(II)–copper(II)complexes possessing antibacterial and antifungal activities.

Analysis Note

Contains a small amount of mercurous thiocyanate insoluble in dilute acid.

Disclaimer

For U.S. Customers: Contains mercury; Do not place in trash - dispose according to local, state, or federal laws.

signalword

Danger

Hazard Classifications

Acute Tox. 1 Dermal - Acute Tox. 2 Inhalation - Acute Tox. 2 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - STOT RE 2

supp_hazards

EUH032

Storage Class

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

wgk

WGK 3

flash_point_f

248.0 °F - closed cup

flash_point_c

120 °C - closed cup

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Certificates of Analysis (COA)

Lot/Batch Number
BCCN4676
BCCL2215
BCCH3978
BCCG4255
BCCD0999

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Surface modification of chromatography adsorbents by low temperature low pressure plasma
A Arpanaei, et al.
Journal of Chromatography A, 6905-6916 (2010)
Photometric Determination of Chlorides in Water
David M. Zall, et al.
Analytical Chemistry, 1665-1668 (1956)
Solid-State 199Hg MAS NMR Studies of Mercury(II) Thiocyanate Complexes and Related Compounds. Crystal Structure of Hg(SeCN)2
Graham A. Bowmaker, et al.
Inorganic Chemistry, 37(8), 1734-1743 (1998)
Mercury (II) acetate/thiocyanate coordination polymers with n-donor ligands, spectroscopic, thermal and structural studies.
Mahmoudi G , et al.
Inorgorganica Chimica Acta, 362(1), 217-225 (2009)
A series of new Fe(II) coordination polymers based-on [Hg(XCN)3]? or [Hg(XCN)4]2? (X = S, Se) building blocks: Synthesis, crystal structure and magnetic property
Tong cao, et al.
Journal of Solid State Chemistry, 315 (2022)
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