L-pyroglutamic acid

L-pyroglutamic acid

Phân loại: Reagent

Thương hiệu: AKSci



Pyrrolidonecarboxylic acid
Pyroglutamic acid
Pidolic acid
(S)-(-)-2-Pyrrolidone-5-carboxylic acid
CAS Number: 98-79-3
MDL Number: MFCD00005272
MW: 129.11
EINECS: 202-700-3
Min. Purity Spec: 98% (HPLC)
Spectra: NMR, LCMS, HPLC, Polarimetry
Physical Form (at 20°C): White to off-white crystalline powder
Melting Point: 152-165°C
Optical Rotation: -27.5° (c=10, 1N NaOH)
Long-Term Storage: Store long-term in a cool, dry place
: K772
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Product Number

L-pyroglutamic acid

Purity / Analysis Method 98.0%(T)
Molecular Formula / Molecular Weight C5H7NO3 = 129.12  
Physical State (20 deg.C) Solid
Store Under Inert Gas Store under inert gas
Condition to Avoid Hygroscopic
CAS RN 98-79-3

Properties (reference)

Melting Point 160 °C
Specific Rotation -10° (C=5,H2O)
Solubility in water Soluble
Solubility (soluble in) Alcohol,Acetone

Safety Information


Pictogram Pictogram
Signal Word Warning
Hazard Statements H315 : Causes skin irritation.
H319 : Causes serious eye irritation.
Precautionary Statements P264 : Wash skin thoroughly after handling.
P280 : Wear protective gloves/ eye protection/ face protection.
P337 + P313 : If eye irritation persists: Get medical advice/ attention.
P305 + P351 + P338 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P302 + P352 : IF ON SKIN: Wash with plenty of soap and water.
P332 + P313 : If skin irritation occurs: Get medical advice/ attention.
P362 : Take off contaminated clothing and wash before reuse.

Related Laws:

RTECS# TW3710000