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| Name |
Pasalin |
EINECS | N/A |
| CAS No. | 20170-20-1 | Density | 1.13g/cm3 |
| PSA | 50.16000 | LogP | 3.50090 |
| Solubility | N/A | Melting Point |
123-128°; mp 120-122° |
| Formula | C20H22 N4 O | Boiling Point | 543.6°Cat760mmHg |
| Molecular Weight | 334.421 | Flash Point | 282.6°C |
| Transport Information | N/A | Appearance | N/A |
| Safety | Moderately toxic by intraperitoneal and ingestion routes. An analgesic and anti-inflammatory agent. When heated to decomposition it emits toxic fumes of NOx. | Risk Codes | N/A |
| Molecular Structure |
|
Hazard Symbols | N/A |
| Synonyms |
Propionamide,2-(dimethylamino)-N-(1,3-diphenylpyrazol-5-yl)- (8CI); AP 14; Difenamizole;Diphenamizole; Pasalin |
Pasalin Chemical Properties
IUPAC Name: 2-(Dimethylamino)-N-(2,5-diphenylpyrazol-3-yl)propanamide
Synonyms of Pasalin (CAS NO.20170-20-1) : 1,3-Diphenyl-5-(2-dimethylaminopropionamido)pyrazole ; 2-(Dimethylamino)-N-(1,3-diphenyl-1H-pyrazol-5-yl)propanamide ; Difenamizol ; Difenamizolum ; Pasalin ; Propanamide, 2-(dimethylamino)-N-(1,3-diphenyl-1H-pyrazol-5-yl)- (9CI) ; Propionamide, 2-(dimethylamino)-N-(1,3-diphenylpyrazol-5-yl)-
InChI: InChI=1/C20H22N4O/c1-15(23(2)3)20(25)21-19-14-18(16-10-6-4-7-11-16)22-24(19)17-12-8-5-9-13-17/h4-15H,1-3H3,(H,21,25)
CAS NO:20170-20-1
Molecular Formula:C20H22N4O
Molecular Weight :334.4149
Molecular Structure :.png)
Index of Refraction: 1.604
Surface Tension: 42.6 dyne/cm
Density: 1.13 g/cm3
Flash Point: 282.6 °C
Enthalpy of Vaporization: 82.2 kJ/mol
Boiling Point: 543.6 °C at 760 mmHg
Vapour Pressure: 7.07E-12 mmHg at 25°C
Pasalin Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mouse | LD50 | intraperitoneal | 1390mg/kg (1390mg/kg) | Iyakuhin Kenkyu. Study of Medical Supplies. Vol. 4, Pg. 467, 1973. | |
| mouse | LD50 | oral | 960mg/kg (960mg/kg) | BEHAVIORAL: ALTERED SLEEP TIME (INCLUDING CHANGE IN RIGHTING REFLEX) BEHAVIORAL: TREMOR LUNGS, THORAX, OR RESPIRATION: RESPIRATORY DEPRESSION | Gifu Daigaku Igakubu Kiyo. Papers of the Gifu University School of Medicine. Vol. 20, Pg. 360, 1972. |
| mouse | LD50 | subcutaneous | 15200mg/kg (15200mg/kg) | Iyakuhin Kenkyu. Study of Medical Supplies. Vol. 4, Pg. 467, 1973. | |
| rat | LD50 | intraperitoneal | 1480mg/kg (1480mg/kg) | Iyakuhin Kenkyu. Study of Medical Supplies. Vol. 4, Pg. 467, 1973. | |
| rat | LD50 | oral | 815mg/kg (815mg/kg) | BEHAVIORAL: ALTERED SLEEP TIME (INCLUDING CHANGE IN RIGHTING REFLEX) BEHAVIORAL: TREMOR LUNGS, THORAX, OR RESPIRATION: RESPIRATORY DEPRESSION | Gifu Daigaku Igakubu Kiyo. Papers of the Gifu University School of Medicine. Vol. 20, Pg. 360, 1972. |
| rat | LD50 | subcutaneous | > 12819mg/kg (12819mg/kg) | Iyakuhin Kenkyu. Study of Medical Supplies. Vol. 4, Pg. 467, 1973. |
Pasalin Safety Profile
Moderately toxic by intraperitoneal and ingestion routes. An analgesic and anti-inflammatory agent. When Pasalin (CAS NO.20170-20-1) is heated to decomposition, it emits toxic fumes of NOx.
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