-
Name
4-aminobenzaldehyde thiosemicarbazone
- EINECS
- CAS No. 6957-91-1
- Article Data7
- CAS DataBase
- Density 1.34g/cm3
- Solubility
- Melting Point
- Formula C8H10 N4 S
- Boiling Point 387.9°C at 760 mmHg
- Molecular Weight 194.26
- Flash Point 188.4°C
- Transport Information
- Appearance
- Safety Poison by intravenous route. Moderately toxic by ingestion. See also ALDEHYDES. When heated to decomposition it emits very toxic fumes of NOx and SOx.
- Risk Codes
-
Molecular Structure
- Hazard Symbols
- Synonyms Benzaldehyde,p-amino-, thiosemicarbazone (6CI,7CI,8CI); NSC 19717
- PSA
- LogP
p-Aminobenzaldehydethiosemi-carbazone Chemical Properties
IUPAC Name: [(E)-(4-Aminophenyl)methylideneamino]thiourea
Synonyms of p-Aminobenzaldehydethiosemi-carbazone (CAS NO.6957-91-1): 4-Aminobenzaldehyde thiosemicarbazone ; p-Aminobenzaldehyde thiosemicarbazone ; Benzaldehyde, p-amino thiosemicarbazone ; Hydrazinecarbothioamide, 2-((4-aminophenyl)methylene)-
CAS NO: 6957-91-1
Molecular Formula: C8H10N4S
Molecular Weight: 194.2568
Molecular Structure : .png)
H bond acceptors: 4
H bond donors: 5
Freely Rotating Bonds: 3
Polar Surface Area: 54.17 Å2
Index of Refraction: 1.672
Molar Refractivity: 54.12 cm3
Molar Volume: 144.4 cm3
Surface Tension: 53.6 dyne/cm
Density: 1.34 g/cm3
Flash Point: 188.4 °C
Enthalpy of Vaporization: 63.71 kJ/mol
Boiling Point: 387.9 °C at 760 mmHg
Vapour Pressure: 3.18E-06 mmHg at 25°C
p-Aminobenzaldehydethiosemi-carbazone Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mouse | LD50 | intravenous | 180mg/kg (180mg/kg) | U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. Vol. NX#00784, | |
| mouse | LD50 | oral | 500mg/kg (500mg/kg) | Journal of Pharmacy and Pharmacology. Vol. 2, Pg. 764, 1950. |
p-Aminobenzaldehydethiosemi-carbazone Safety Profile
Poison by intravenous route. Moderately toxic by ingestion. See also ALDEHYDES. When p-Aminobenzaldehydethiosemi-carbazone (CAS NO.6957-91-1) is heated to decomposition, it emits very toxic fumes of NOx and SOx.
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