-
Name
1-[(Trichloromethyl)thio]-1H-pyrazole
- EINECS
- CAS No. 25726-97-0
- Density 1.65g/cm3
- Solubility
- Melting Point
- Formula C4H3 Cl3 N2 S
- Boiling Point 197.5°Cat760mmHg
- Molecular Weight 217.506
- Flash Point 73.2°C
- Transport Information
- Appearance
- Safety A poison by ingestion and skin contact. Moderately toxic by inhalation. When heated to decomposition it emits toxic vapors of NOx, SOx, and Cl−.
- Risk Codes
-
Molecular Structure
- Hazard Symbols
- Synonyms Pyrazole,1-[(trichloromethyl)thio]- (6CI,8CI); 1-(Trichloromethylmercapto)pyrazole; NSC65228
- PSA 43.12000
- LogP 2.70710
1-(Trichloromethylmercapto)-pyrazole Chemical Properties
IUPAC Name:1-(Trichloromethylsulfanyl)pyrazole
Synonyms: Pyrazole, 1-((trichloromethyl)thio)- ; Pyrazole, 1-[(trichloromethyl)thio]-
CAS NO:25726-97-0
Molecular Formula of 1-(Trichloromethylmercapto)-pyrazole (CAS NO.25726-97-0) :C4H3Cl3N2S
Molecular Weight of 1-(Trichloromethylmercapto)-pyrazole (CAS NO.25726-97-0 :217.504
Molecular structure of 1-(Trichloromethylmercapto)-pyrazole (CAS NO.25726-97-0 :
Index of Refraction: 1.642
Surface Tension: 55.2 dyne/cm
Density: 1.65 g/cm3
Flash Point: 73.2 °C
Enthalpy of Vaporization: 43.37 kJ/mol
Boiling Point: 197.5 °C at 760 mmHg
Vapour Pressure: 0.378 mmHg at 25°C
1-(Trichloromethylmercapto)-pyrazole Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| rabbit | LD50 | skin | 63uL/kg (0.063mL/kg) | American Industrial Hygiene Association Journal. Vol. 30, Pg. 470, 1969. | |
| rat | LCLo | inhalation | 200ppm/1H (200ppm) | American Industrial Hygiene Association Journal. Vol. 30, Pg. 470, 1969. | |
| rat | LD50 | oral | 350mg/kg (350mg/kg) | American Industrial Hygiene Association Journal. Vol. 30, Pg. 470, 1969. |
1-(Trichloromethylmercapto)-pyrazole Safety Profile
A poison by ingestion and skin contact. Moderately toxic by inhalation. When heated to decomposition it emits toxic vapors of NOx, SOx, and Cl−.
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