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Cas Database |
| Name |
1-Methyl-4-iodo-1H-pyrazole |
EINECS | N/A |
| CAS No. | 39806-90-1 | Density | 2.07 g/cm3 |
| PSA | 17.82000 | LogP | 1.02470 |
| Solubility | insoluble in water | Melting Point |
61-67 °C |
| Formula | C4H5IN2 | Boiling Point | 226.9 °C at 760 mmHg |
| Molecular Weight | 208.002 | Flash Point | 91.1 °C |
| Transport Information | N/A | Appearance | off-white semi-transparent crystals |
| Safety | 37/39-26-39 | Risk Codes | 36/37/38-41-37/38 |
| Molecular Structure |
|
Hazard Symbols |
 Xi
|
| Synonyms |
1-Methyl-4-iodopyrazole;4-Iodo-1-methyl-1H-pyrazole;4-Iodo-1-methylpyrazole; |
Article Data | 41 |
1-Methyl-4-iodo-1H-pyrazole Chemical Properties
IUPAC Name: 4-Iodo-1-methylpyrazole
Systematic of 1H-Pyrazole,4-iodo-1-methyl- (CAS NO.39806-90-1): 1-Methyl-4-iodo-1h-pyrazole ; 4-Iodo-1-methyl-1h-pyrazole ; 1-Methyl-4-iodo-1H-pyrazole,97%
CAS NO: 39806-90-1
Molecular Formula of 1H-Pyrazole,4-iodo-1-methyl- (CAS NO.39806-90-1): C4H5IN2
Molecular Weight: 208.0004
Molecular Structure:
.png)
Melting Point: 61-67 °C
H bond acceptors: 2
Polar Surface Area: 17.82 Å2
Index of Refraction: 1.681
Molar Refractivity: 37.9 cm3
Molar Volume: 100.1 cm3
Surface Tension: 47.5 dyne/cm
Density of 1H-Pyrazole,4-iodo-1-methyl- (CAS NO.39806-90-1): 2.07 g/cm3
Flash Point: 91.1 °C
Enthalpy of Vaporization: 44.47 kJ/mol
Boiling Point: 226.9 °C at 760 mmHg
Vapour Pressure: 0.12 mmHg at 25°C
1-Methyl-4-iodo-1H-pyrazole Safety Profile
Hazard Codes: 
Xi
Risk Statements: 36/37/38-41
R36/37/38: Irritating to eyes, respiratory system and skin.
R41: Risk of serious damage to the eyes.
Safety Statements: 37/39-26
S37/39: Wear suitable gloves and eye/face protection.
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
HazardClass: IRRITANT
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