L-Pyroglutamic acid

Purity : >97.0%(T)

CAS No.: 98-79-3
EC No.: 202-700-3
EC Name: (2S)-5-oxopyrrolidine-2-carboxylic acid
ECHA Name: Pidolic acid

L-Pyroglutamic acid
Pidolic acid
Pyroglutamic acid

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SKU: L-Pyroglutamic acid ; 98-79-3 ; (2S)-5-oxopyrrolidine-2-carboxylic acid ; 202-700-3 ; Pidolic acid ; 100.002.455 Category:
Purity / Analysis Method >97.0%(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
PubChem Substance ID 87574744
Merck Index (14) 8001
MDL Number MFCD00005272

Specification & Properties

Appearance White to Almost white powder to crystal
Optical purity(LC) min. 95.0 ee%
Purity(Neutralization titration) min. 97.0 %
Melting point 157.0 to 164.0 deg.C
Melting Point 160 deg.C
Specific Rotation -10 (C=5,H2O)
Solubility in water Soluble
Solubility (soluble in) Alcohol,Acetone

Safety & Regulations

Safety Information:
Chemical Safety Chemical SafetyChemical Safety
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.
P302 + P352 : IF ON SKIN: Wash with plenty of water.
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.
P362 + P364 : Take off contaminated clothing and wash it before reuse.
P332 + P313 : If skin irritation occurs: Get medical advice/ attention.
Related Laws:
RTECS# TW3710000
Transport Information:
Hazard Classification:

According to the classification provided by companies to ECHA in REACH registrations this substance
causes serious eye damage.

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