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Cas Database |
| Name |
Bis(trifluoromethylthio)mercury |
EINECS | N/A |
| CAS No. | 21259-75-6 | Density | g/cm3 |
| PSA | 50.60000 | LogP | 3.40490 |
| Solubility | N/A | Melting Point |
39oC |
| Formula | C2F6HgS2 | Boiling Point | °Cat760mmHg |
| Molecular Weight | 402.734 | Flash Point | °C |
| Transport Information | N/A | Appearance | N/A |
| Safety | A poison by intravenous route. When heated to decomposition it emits toxic vapors of SOx and Hg. | Risk Codes | R26/27/28 |
| Molecular Structure |
|
Hazard Symbols | A poison. TWA 0.01. STEL 0.03 mg/m3 (skin) |
| Synonyms |
mercury trifluoromethylmercaptide;Bis(trifluoromethylthio)quecksilber;Bis(trifluormethylsulfanyl)quecksilber;bis(trifluoromethylthio)-mercur;Bis<(trifluoromethyl)thio>mercury;mercury bis(trifluoromethanethiolate); |
Article Data | 18 |
Bis(trifluoromethylthio)mercury Chemical Properties
IUPAC Name: Mercury(2+); trifluoromethanethiolate
Synonyms of Bis(trifluoromethylthio)mercury (CAS NO.21259-75-6): Mercury, bis(trifluoromethylthio)-
InChI: InChI=1/2CHF3S.Hg/c2*2-1(3,4)5;/h2*5H;/q;;+2/p-2
InChIKey: QHACEJBZGFEEJE-NUQVWONBAR
Std. InChI: InChI=1S/2CHF3S.Hg/c2*2-1(3,4)5;/h2*5H;/q;;+2/p-2
Std. InChIKey: QHACEJBZGFEEJE-UHFFFAOYSA-L
CAS NO: 21259-75-6
Molecular Formula: C2F6HgS2
Molecular Weight: 402.7318
Molecular Structure : 
H bond acceptors: 0
H bond donors: 0
Freely Rotating Bonds: 0
Polar Surface Area: 38.8 Å2
Enthalpy of Vaporization: 20.92 kJ/mol
Vapour Pressure: 6010 mmHg at 25°C
Melting Point: 39°C
Melting Point: 182°C
Density: 2,911 g/cm3
Bis(trifluoromethylthio)mercury Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mouse | LD50 | intravenous | 7500ug/kg (7.5mg/kg) | U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. Vol. NX#08848, |
Bis(trifluoromethylthio)mercury Safety Profile
Hazard Codes: 
T
Risk Statements: 26/27/28
R26/27/28: Bis(trifluoromethylthio)mercury (CAS NO.21259-75-6) is very toxic by inhalation, in contact with skin and if swallowed.
Safety Statements: 36/37/39-45
S36/37/39: Wear suitable protective clothing, gloves and eye/face protection.
S45: In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
RIDADR: 2025
Hazard Note Highly Toxic/Inhalation Hazard
A poison by intravenous route. When Bis(trifluoromethylthio)mercury (CAS NO.21259-75-6) is heated to decomposition ,it emits toxic vapors of SOx and Hg.
Bis(trifluoromethylthio)mercury Standards and Recommendations
ACGIH TLV: TWA 0.01. STEL 0.03 mg/m3 (skin)
NIOSH REL: (MERCURY, ORGANO) TWA 0.01 mg/m3. STEL 0.03 mg/m3 (Sk)
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