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50681-25-9

Basic Information
CAS No.: 50681-25-9
Name: 4-Pyridazinecarboxylic acid
Article Data: 10
Molecular Structure:
Molecular Structure of 50681-25-9 (4-Pyridazinecarboxylic acid)
Formula: C5H4N2O2
Molecular Weight: 124.099
Synonyms: 4-Pyridazinecarboxylicacid;
EINECS: 610-561-9
Density: 1.403 g/cm3
Melting Point: 244.2 °C (dec.)(lit.)
Boiling Point: 404.2 °C at 760 mmHg
Flash Point: 198.3 °C
Appearance: of-white to brown powder
Hazard Symbols: IrritantXi
Risk Codes: 36/37/38
Safety: 26-37/39
PSA: 63.08000
LogP: 0.17480
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  • 4-Pyridazinecarboxylic Acid

  • Casno:

    50681-25-9

    4-Pyridazinecarboxylic Acid

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  • 4-Pyridazinecarboxylic acid cas  50681-25-9

  • Casno:

    50681-25-9

    4-Pyridazinecarboxylic acid cas 50681-25-9

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    4-Pyridazinecarboxylic acid cas 50681-25-9Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express

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  • 4-Pyridazinecarboxylic acid

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    50681-25-9

    4-Pyridazinecarboxylic acid

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  • pyridazine-4-carboxylic acid

  • Casno:

    50681-25-9

    pyridazine-4-carboxylic acid

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    competitive price & high quality Application:intermediate

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  • 4-Pyridazinecarboxylic acid

  • Casno:

    50681-25-9

    4-Pyridazinecarboxylic acid

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    50681-25-9 Application:intermediate

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Chemistry

Empirical Formula: C5H4N2O2
Molecular Weight: 124.0975 
Index of Refraction: 1.578
Molar Refractivity: 29.36 cm3
Molar Volume: 88.4 cm3
Surface Tension: 72.1 dyne/cm
Density: 1.403 g/cm3
Flash Point: 198.3 °C
Enthalpy of Vaporization: 69.14 kJ/mol
Boiling Point: 404.2 °C at 760 mmHg
Vapour Pressure: 2.92E-07 mmHg at 25 °C
Melting point: 244.2 °C (dec.)(lit.)
Appearance: Off-white to brown powder
Structure of 4-Pyridazinecarboxylic acid (CAS NO.50681-25-9):
                      
Product Category of 4-Pyridazinecarboxylic acid (CAS NO.50681-25-9): Pyridazine series;Heterocyclic Building Blocks;Pyridazines

Safety Profile

Hazard Codes of 4-Pyridazinecarboxylic acid (CAS NO.50681-25-9): IrritantXi
Risk Statements: 36/37/38 
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-37/39 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S37/39:Wear suitable gloves and eye/face protection.
WGK Germany: 3
Hazard Note: Irritant
HazardClass: IRRITANT

Specification

  4-Pyridazinecarboxylic acid , its cas register number is 50681-25-9. It also can be called Pyridazine-4-carboxylic acid ; Pyridazine-4,5-Carboxylic acid ; and Acide pyridazine-4-carboxylique .