-
Name
Ethyl 1,3-dimethylpyrazole-5-carboxylate
- EINECS
- CAS No. 5744-40-1
- Article Data5
- CAS DataBase
- Density 1.12 g/cm3
- Solubility
- Melting Point 40-42 °C
- Formula C8H12 N2 O2
- Boiling Point 71 ºC (0.3 mmHg)，258.8 °C at 760 mmHg
- Molecular Weight 168.195
- Flash Point 110.3 °C
- Transport Information
- Appearance Colorless to light yellow liquid
- Safety 24/25-36/37/39-26-23
- Risk Codes R22;R36/37/38
-
Molecular Structure
-
Hazard Symbols
- Synonyms Pyrazole-5-carboxylicacid, 1,3-dimethyl-, ethyl ester (7CI,8CI);1,3-Dimethyl-5-(ethoxycarbonyl)pyrazole;Ethyl1,3-dimethyl-1H-pyrazole-5-carboxylate;Ethyl1,3-dimethyl-5-pyrazolecarboxylate;Ethyl2,5-dimethyl-2H-pyrazole-3-carboxylate;
- PSA 44.12000
- LogP 0.90520
Ethyl 1,3-dimethylpyrazole-5-carboxylate Chemical Properties
IUPAC Name: Ethyl 2,5-dimethylpyrazole-3-carboxylate
Systematic of 1H-Pyrazole-5-carboxylicacid, 1,3-dimethyl-, ethyl ester (CAS NO.5744-40-1): 1,3-dimethyl-5-ethoxycarbonylpyrazole
CAS NO: 5744-40-1
Molecular Formula of 1H-Pyrazole-5-carboxylicacid, 1,3-dimethyl-, ethyl ester (CAS NO.5744-40-1): C8H12N2O2
Molecular Weight: 168.1931
Molecular Structure:
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H bond acceptors: 4
Freely Rotating Bonds: 3
Polar Surface Area: 44.12 Å2
Index of Refraction: 1.521
Molar Refractivity: 45.55 cm3
Molar Volume: 149.4 cm3
Surface Tension: 35.4 dyne/cm
Density of 1H-Pyrazole-5-carboxylicacid, 1,3-dimethyl-, ethyl ester (CAS NO.5744-40-1): 1.12 g/cm3
Flash Point: 110.3 °C
Enthalpy of Vaporization: 49.64 kJ/mol
Boiling Point: 258.8 °C at 760 mmHg
Vapour Pressure: 0.0135 mmHg at 25°C
Ethyl 1,3-dimethylpyrazole-5-carboxylate Safety Profile
Hazard Codes: 
Xi,
Xn
Risk Statements: 22-36/37/38
R22: Harmful if swallowed.
R36/37/38: Irritating to eyes, respiratory system and skin.
Safety Statements: 24/25-36/37/39-26-23
S24/25: Avoid contact with skin and eyes.
S36/37/39: Wear suitable protective clothing, gloves and eye/face protection.
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S23: Do not breathe vapour.
Hazard Note: Irritant
HazardClass: IRRITANT
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