DL-Proline
Synonym(s):(±)-Pyrrolidine-2-carboxylic acid
- CAS NO.：609-36-9
- Empirical Formula: C5H9NO2
- Molecular Weight: 115.13
- MDL number: MFCD00005250
- EINECS: 210-189-3
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 02:02:29
What is DL-Proline?
Chemical properties
white to off-white crystalline powder
The Uses of DL-Proline
DL-Proline is the racemic mixture of both L-Proline (P755995) and D-Proline (P755990).
Definition
ChEBI: An alpha-amino acid that is pyrrolidine bearing a carboxy substituent at position 2.
Properties of DL-Proline
| Melting point: | 208 °C (dec.) (lit.) |
| Boiling point: | 215.41°C (rough estimate) |
| Density | 1.1808 (rough estimate) |
| refractive index | 1.4538 (estimate) |
| storage temp. | Keep in dark place,Inert atmosphere,Room temperature |
| solubility | Methanol, Water |
| form | Crystalline Powder |
| pka | 2.35±0.20(Predicted) |
| color | White to off-white |
| Water Solubility | SOLUBLE |
| Merck | 14,7780 |
| BRN | 80809 |
| CAS DataBase Reference | 609-36-9(CAS DataBase Reference) |
| NIST Chemistry Reference | DL-Proline(609-36-9) |
| EPA Substance Registry System | Proline (609-36-9) |
Safety information for DL-Proline
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P280:Wear protective gloves/protective clothing/eye protection/face protection. P312:Call a POISON CENTER or doctor/physician if you feel unwell. P321:Specific treatment (see … on this label). P302+P352:IF ON SKIN: wash with plenty of soap and water. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. 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 DL-Proline
DL-Proline manufacturer
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