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Cas Database |
| Name |
1-Methylcyclopropane-1-carboxylic acid |
EINECS | 230-020-7 |
| CAS No. | 6914-76-7 | Density | 1.193 g/cm3 |
| PSA | 37.30000 | LogP | 0.87110 |
| Solubility | Slightly soluble in water | Melting Point |
30-32 °C(lit.) |
| Formula | C5H8 O2 | Boiling Point | 183-185 °C(lit.) |
| Molecular Weight | 100.117 | Flash Point | 184 °F |
| Transport Information | UN 3261 8 | Appearance | WHITE TO YELLOW POWDER, CRYSTALS, CRYSTALLINE POWDER OR SOLID AND/OR CHUNKS |
| Safety | 26-27-36/37/39-45 | Risk Codes | 34 |
| Molecular Structure |
|
Hazard Symbols |
 C
|
| Synonyms |
1-Methylcyclopropane-1-carboxylicacid; 1-Methylcyclopropanecarboxylic acid; 1-Methylcyclopropanoic acid |
Article Data | 21 |
1-Methylcyclopropane-1-carboxylic acid Synthetic route
- 78104-88-8
1-Methylcyclopropancarbonsaeurenitril
- 6914-76-7
1-Methyl-cyclopropanoic acid
| Conditions | Yield |
|---|---|
| With sodium hydroxide for 3h; Heating; | 99% |
| With sodium hydroxide for 3h; Reflux; | 87% |
| With sodium hydroxide |
- 6914-76-7
1-Methyl-cyclopropanoic acid
| Conditions | Yield |
|---|---|
| Stage #1: benzyl 2,2-dibromo-1-methylcyclopropylcarboxylate With sodium In tetrahydrofuran; ethanol; water; toluene at 20℃; for 1h; Inert atmosphere; Stage #2: With hydrogenchloride In tetrahydrofuran; ethanol; water; toluene pH=1; | 94.1% |
- 6914-76-7
1-Methyl-cyclopropanoic acid
| Conditions | Yield |
|---|---|
| Stage #1: benzyl 2,2-dichloro-1-methylcyclopropylcarboxylate With sodium In tetrahydrofuran; ethanol; water; toluene at 20℃; for 1h; Inert atmosphere; Stage #2: With hydrogenchloride In tetrahydrofuran; ethanol; water; toluene pH=1; | 93.3% |
| Conditions | Yield |
|---|---|
| Stage #1: methyl 2,2-dichloro-1-methylcyclopropanecarboxylate With sodium In tetrahydrofuran; ethanol; water; toluene at 20℃; for 1h; Inert atmosphere; Stage #2: With hydrogenchloride In tetrahydrofuran; ethanol; water; toluene for 0.5h; pH=1; | 93.1% |
| Conditions | Yield |
|---|---|
| With sodium In tetrahydrofuran; ethanol; water; toluene at 20℃; for 1h; Inert atmosphere; | 92.7% |
- 39647-01-3
methyl 2,2-dibromo-1-methylcyclopropanecarboxylate
- 6914-76-7
1-Methyl-cyclopropanoic acid
| Conditions | Yield |
|---|---|
| Stage #1: methyl 2,2-dibromo-1-methylcyclopropanecarboxylate With sodium In tetrahydrofuran; ethanol; water; toluene at 20℃; for 1h; Inert atmosphere; Stage #2: With hydrogenchloride In tetrahydrofuran; ethanol; water; toluene pH=1; | 92.7% |
| Conditions | Yield |
|---|---|
| With sodium In tetrahydrofuran; ethanol; water; toluene at 20℃; for 1h; Inert atmosphere; | 92.6% |
- 6914-76-7
1-Methyl-cyclopropanoic acid
| Conditions | Yield |
|---|---|
| With potassium tert-butylate; water In tetrahydrofuran for 36h; Heating; | 87% |
- 15910-91-5
1-methylcyclopropanecarboxamide
- 6914-76-7
1-Methyl-cyclopropanoic acid
| Conditions | Yield |
|---|---|
| With sodium hydroxide for 3h; Reflux; | 86% |
- 71441-76-4
1-methylcyclopropanecarboxylic acid ethyl ester
- 6914-76-7
1-Methyl-cyclopropanoic acid
| Conditions | Yield |
|---|---|
| Stage #1: 1-methylcyclopropanecarboxylic acid ethyl ester With methanol; sodium hydroxide; water at 50 - 60℃; for 5h; Stage #2: With hydrogenchloride; water pH=1; | 84% |
| Stage #1: 1-methylcyclopropanecarboxylic acid ethyl ester With sodium hydroxide In methanol at 60℃; Stage #2: With hydrogenchloride In methanol; water pH=2; |
1-Methylcyclopropane-1-carboxylic acid Chemical Properties
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IUPAC Name: 1-Methylcyclopropane-1-carboxylic acid
Molecular Formula: C5H8O2
Molecular Weight: 100.12 g/mol
SMILES: C1(C(=O)O)(CC1)C
InChI: InChI=1/C5H8O2/c1-5(2-3-5)4(6)7/h2-3H2,1H3,(H,6,7)
EINECS: 230-020-7
Product Categories: Carboxylic Acids; Cyclopropanes; Simple 3-Membered Ring Compounds; Carboxylic Acids; Ring Systems; Cycloalkanes; C1 to C5; Carbonyl Compounds
XLogP3-AA: 0.6
H-Bond Donor: 1
H-Bond Acceptor: 2
Index of Refraction: 1.497
Molar Refractivity: 24.55 cm3
Molar Volume: 83.9 cm3
Polarizability: 9.73×10-24 cm3
Surface Tension: 46.4 dyne/cm
Density: 1.193 g/cm3
Flash Point: 84.4 °C
Enthalpy of Vaporization: 46.28 kJ/mol
Boiling Point: 183.5 °C at 760 mmHg
Melting Point: 30-32 °C(lit.)
Vapour Pressure of 1-Methylcyclopropanecarboxylic acid (CAS NO.6914-76-7): 0.352 mmHg at 25 °C
1-Methylcyclopropane-1-carboxylic acid Safety Profile
Hazard Codes: 
C
Risk Statements: 34
R34: Causes burns.
Safety Statements: 26-27-36/37/39-45
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37/39: Wear suitable protective clothing, gloves and eye/face protection.
S45: In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
WGK Germany: 3
Hazard Note of 1-Methylcyclopropanecarboxylic acid (CAS NO.6914-76-7): Corrosive
1-Methylcyclopropane-1-carboxylic acid Specification
1-Methylcyclopropanecarboxylic acid (CAS NO.6914-76-7), its Synonyms are 1-Methylcyclopropane-1-carboxylic acid ; Cyclopropanecarboxylic acid, 1-methyl- ; 1-Methyl cyclopropyl carboxylic acid .
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