3-Cyclopentylpropionic acid
Synonym(s):Cyclopentanepropionic acid
- CAS NO.：140-77-2
- Empirical Formula: C8H14O2
- Molecular Weight: 142.2
- MDL number: MFCD00001392
- EINECS: 205-433-0
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-04-13 10:04:24
What is 3-Cyclopentylpropionic acid?
Chemical properties
CLEAR COLOURLESS TO YELLOW LIQUID
The Uses of 3-Cyclopentylpropionic acid
Cypionic Acid, can be used as an organic building blocks in the synthesis of variety of pharmaceutical compound. It is used for the synthesis of Testosterone Cypionate (T155100).
Definition
ChEBI: A monocarboxylic acid that is propionic acid in which one of the methyl hydrogens is substituted by a cyclopentyl group.
Properties of 3-Cyclopentylpropionic acid
| Melting point: | 131 °C |
| Boiling point: | 130-132 °C/12 mmHg (lit.) |
| Density | 0.996 g/mL at 25 °C (lit.) |
| refractive index | n |
| Flash point: | 116 °F |
| storage temp. | Sealed in dry,Room Temperature |
| solubility | Chloroform (Slightly), Methanol (Slightly) |
| form | Liquid |
| pka | 4.81±0.10(Predicted) |
| color | Clear colorless to yellow |
| Water Solubility | insoluble |
| CAS DataBase Reference | 140-77-2(CAS DataBase Reference) |
| NIST Chemistry Reference | Cyclopentanepropanoic acid(140-77-2) |
| EPA Substance Registry System | Cyclopentanepropanoic acid (140-77-2) |
Safety information for 3-Cyclopentylpropionic acid
| Signal word | Warning |
| Pictogram(s) |
 Flame Flammables GHS02  Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H226:Flammable liquids H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 3-Cyclopentylpropionic acid
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