Ethyl L-pyroglutamate
Synonym(s):(S)-5-Oxoproline ethyl ester;L -Pyroglutamic acid ethyl ester
- CAS NO.：7149-65-7
- Empirical Formula: C7H11NO3
- Molecular Weight: 157.17
- MDL number: MFCD00064497
- EINECS: 230-480-9
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 02:20:40
What is Ethyl L-pyroglutamate?
Chemical properties
White to cream low melting solid
The Uses of Ethyl L-pyroglutamate
(S)-(+)-5-Ethylcarboxyl-2-pyrrolidinone (cas# 7149-65-7) is a compound useful in organic synthesis.
Properties of Ethyl L-pyroglutamate
| Melting point: | 54-56 °C |
| Boiling point: | 176 °C12 mm Hg(lit.) |
| alpha | -3.5 º (c=5, water) |
| Density | 1.2483 (rough estimate) |
| refractive index | 1.4310 (estimate) |
| Flash point: | >230 °F |
| storage temp. | Keep in dark place,Sealed in dry,Room Temperature |
| form | Low Melting Solid |
| pka | 14.78±0.40(Predicted) |
| color | White to cream |
| optical activity | [α]19/D +3.3°, c = 10 in ethanol |
| BRN | 82621 |
| CAS DataBase Reference | 7149-65-7(CAS DataBase Reference) |
Safety information for Ethyl L-pyroglutamate
| 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 |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. 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 Ethyl L-pyroglutamate
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