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Basic Information
| CAS No.: | 592-85-8 |
|---|---|
| Name: | Mercury(II) thiocyanate |
| Molecular Structure: | |
|
|
|
| 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: |
 T+, N
|
| 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 |
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Synthetic route
Conditions
| Conditions | Yield |
|---|---|
| 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% |
Conditions
| Conditions | Yield |
|---|---|
| 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; |
Conditions
| Conditions | Yield |
|---|---|
| With mercury dichloride at careful heating to reflux;; | A 65% B 65% |
| With HgCl2 at careful heating to reflux;; | A 65% B 65% |
Conditions
| Conditions | Yield |
|---|---|
| With mercuri oxide |
Conditions
| Conditions | Yield |
|---|---|
| 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;; |
Conditions
| Conditions | Yield |
|---|---|
| With carbon disulfide | |
| With tetrachloromethane |
Conditions
| Conditions | Yield |
|---|---|
| With mercury dichloride In water concentration: 0.00125-0.1mol/l;; | |
| With HgCl2 In water concentration: 0.00125-0.1mol/l;; |
Conditions
| Conditions | Yield |
|---|---|
| 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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Mercury(II) thiocyanate
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;
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
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
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