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592-85-8

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Basic Information
CAS No.: 592-85-8
Name: Mercury(II) thiocyanate
Article Data: 98
Molecular Structure:
Molecular Structure of 592-85-8 (Mercury(II) thiocyanate)
Formula: C2HgN2S2
Molecular Weight: 316.757
Synonyms: Thiocyanicacid, mercury(2+) salt (8CI,9CI);Mercuric isothiocyanate;Mercuricsulfocyanate;Mercuric sulfocyanide;Mercuric thiocyanate;Mercurydi(thiocyanate);Mercury thiocyanate (Hg(SCN)2);Mercury(II) thiocyanate;
EINECS: 237-949-7
Density: 3.71 g/mL at 25 °C(lit.)
Melting Point: 165 °C (dec.)(lit.)
Boiling Point: 146 °C at 760 mmHg
Flash Point: 42.1 °C
Solubility: Negligible
Appearance: White solid
Hazard Symbols: VeryT+,DangerousN
Risk Codes: 26/27/28-32-33-50/53
Safety: 13-28-45-60-61
Transport Information: UN 1646 6.1/PG 2
PSA: 98.18000
LogP: 1.32746
Related products
Synthetic route

mercuric(II) nitrate monohydrate

333-20-0

potassium thioacyanate

592-85-8

mercury(II) thiocyanate

Conditions
ConditionsYield
With HNO3 In water aq. soln. of 2 equiv. of KSCN was added to Hg-salt soln. contg. a few drops of 20 % aq. HNO3; crystn. for a several h, crystals were filtered off, washed with H2O anddried;85%
With HNO3 In water aq. KSCN soln. was added to 0.05 equiv. of Hg-salt soln. contg. some drops of 20 % HNO3; soln. was kept for a few hours, crystals were filtered off, washed with H2O and dried;85%
333-20-0

potassium thioacyanate

mercury dichloride

592-85-8

mercury(II) thiocyanate

Conditions
ConditionsYield
In ethanol according standard method: Ramakrishna, R.S and Thuraisingham R., J.Inorg.Nuc.Chem., 35, 285, (1973);80%
In not given excess HgCl2;
In not given excess HgCl2;
18139-82-7

n-prSi(NCS)3

A

141-57-1

n-propyltrichlorosilane

B

592-85-8

mercury(II) thiocyanate

Conditions
ConditionsYield
With mercury dichloride at careful heating to reflux;;A 65%
B 65%
With HgCl2 at careful heating to reflux;;A 65%
B 65%
463-56-9

thiocyanic acid

92114-96-0

mercury fulminate

592-85-8

mercury(II) thiocyanate

463-56-9

thiocyanic acid

592-85-8

mercury(II) thiocyanate

Conditions
ConditionsYield
With mercuri oxide
1600-27-7

mercury(II) diacetate

333-20-0

potassium thioacyanate

592-85-8

mercury(II) thiocyanate

333-20-0

potassium thioacyanate

592-85-8

mercury(II) thiocyanate

Conditions
ConditionsYield
With mercury dichloride
With mercuri nitrate
With mercury dichloride In acetic acid methyl ester excess of KSCN;; precipitation;;
With mercury dichloride In water
With HgCl2 In acetic acid methyl ester excess of KSCN;; precipitation;;
HgSCN

HgSCN

thiocyanato

thiocyanato

592-85-8

mercury(II) thiocyanate

Conditions
ConditionsYield
With carbon disulfide
With tetrachloromethane
302-04-5

Thiocyanate

592-85-8

mercury(II) thiocyanate

Conditions
ConditionsYield
With mercury dichloride In water concentration: 0.00125-0.1mol/l;;
With HgCl2 In water concentration: 0.00125-0.1mol/l;;
302-04-5

Thiocyanate

mercury(II) nitrate

592-85-8

mercury(II) thiocyanate

Conditions
ConditionsYield
With iron(III) In not given can be used for titrimetric determination of Hg(2+) with Fe(II) as indicator;;
With Fe(3+) In not given can be used for titrimetric determination of Hg(2+) with Fe(II) as indicator;;
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    592-85-8

    TIANFUCHEM--592-85-8---MERCURIC THIOCYANATE

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Chemistry

The Molecular formula of MERCURIC SULFOCYANATE(592-85-8): C2HgN2S2
The Molecular Weight of MERCURIC SULFOCYANATE(592-85-8): 316.75
Molecular Structure : 
EINECS: 209-773-0
Melting point: 165 °C (dec.)(lit.)
Flash point: 120 °C
density: 3.71 g/mL at 25 °C(lit.)
Appearance: White solid
storage temp.: Store at RT.
Sensitive: Hygroscopic
IUPAC Name: mercury(2+) dithiocyanate
Synonyms: CHLORIDE COLOR REAGENT;MERCURIC THIOCYANATE;MERCURIC THIOCYANATE STOCK;MERCURIC SULFOCYANATE;CHLORIDE COLOUR REAGENT;MERCURY(II) THIOCYANATE;MERCURY RHODANIDE;MERCURY SULFOCYANIDE;

Uses

Mercury(II) thiocyanate is made by reacting a mercury(II) salt (such as mercury(II) chloride) with a thiocyanate salt (such as potassium thiocyanate) in solution in water, producing a precipitate of mercury(II) thiocyanate.

Toxicity Data With Reference

1.   

orl-rat LD50:46 mg/kg

   GTPZAB    Gigiena Truda i Professionalnye Zabolevaniia. Labor Hygiene and Occupational Diseases. 25 (7)(1981),27.
2.   

skn-rat LD50:685 mg/kg

   GTPZAB    Gigiena Truda i Professionalnye Zabolevaniia. Labor Hygiene and Occupational Diseases. 25 (7)(1981),27.
3.   

orl-mus LD50:24,500 µg/kg

   GTPZAB    Gigiena Truda i Professionalnye Zabolevaniia. Labor Hygiene and Occupational Diseases. 25 (7)(1981),27.
4.   

ipr-mus LD50:3500 µg/kg

   GTPZAB    Gigiena Truda i Professionalnye Zabolevaniia. Labor Hygiene and Occupational Diseases. 25 (7)(1981),27.

Consensus Reports

Mercury and its compounds are on the Community Right-To-Know List. Reported in EPA TSCA Inventory.

Safety Profile

A poison by ingestion and intraperitoneal routes. Moderately toxic by skin contact. Thermally unstable and decomposition may be vigorous. When heated to decomposition it emits very toxic fumes of Hg, NOx, SOx, and CN−. See also MERCURY COMPOUNDS, INORGANIC; MERCURY COMPOUNDS, ORGANIC and CYANATES.
The Hazard Codes of MERCURIC SULFOCYANATE(592-85-8):   T+,  N
HazardClass: 6.1
The Risk Statements information of MERCURIC SULFOCYANATE(592-85-8):
32:  Contact with acids liberates very toxic gas 
33:  Danger of cumulative effects 
26/27/28:  Very Toxic by inhalation, in contact with skin and if swallowed 
52/53:  Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment 
The Safety Statements information of MERCURIC SULFOCYANATE(592-85-8):
13:  Keep away from food, drink and animal feeding stuffs 
28:  After contact with skin, wash immediately with plenty of soap-suds .
45:  In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) 
60:  This material and/or its container must be disposed of as hazardous waste 
61:  Avoid release to the environment. Refer to special instructions safety data sheet 
RIDADR: UN 1646 6.1/PG 2
WGK Germany: 3
RTECS: XL1550000
F: 8
PackingGroup: II

Standards and Recommendations

OSHA PEL: CL 0.1 mg(Hg)/m3 (skin)
ACGIH TLV: TWA 0.1 mg(Hg)/m3 (skin); BEI: 35 μg/g creatinine total inorganic mercury in urine preshift; 15 μg/g creatinine total inorganic mercury in blood at end of shift at end of workweek.
DFG MAK: Confirmed Animal Carcinogen with Unknown Relevance to Humans
NIOSH REL: (Mercury, Aryl and Inorganic) CL 0.1 mg/m3 (skin)
DOT Classification:  6.1; Label: Poison