L-Pyroglutamic acid CAS 98-79-3
  • L-Pyroglutamic acid CAS 98-79-3L-Pyroglutamic acid CAS 98-79-3

L-Pyroglutamic acid CAS 98-79-3

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Product Description

Believe Chemical is a leading China L-Pyroglutamic acid CAS 98-79-3 manufacturer, supplier and exporter. Adhering to the pursuit of perfect quality of products, so that our L-Pyroglutamic acid CAS 98-79-3 have been satisfied by many customers. Shandong Believe Chemical Pte. Ltd. is a high-tech enterprise integrating R &D and sales of chemical technology. 

We are good at the advantages of chemical products in the field. Our products are exported to Europe, the United States, Japan, South Korea, Southeast Asia and other countries and regions. With science and technology as the guide, honesty as the foundation, quality as the life, and relying on the enterprise concept of innovation and development, we sincerely hope to establish exchanges and extensive cooperation with domestic and foreign customers to create prosperity!

L-Pyroglutamic acid CAS 98-79-3 Chemical Specification 

Product Name

L-Pyroglutamic acid 



Molecular Weight 










White to off-white Crystalline Powder



99% 99.54%


The result conform with standard

L-Pyroglutamic acid CAS 98-79-3 Chemical Properties

Melting point 160-163 ° C (lit.)
Boiling point 239.15 ° C (rough estimate)
Specific rotation - 27.5 º (c=10,1NNaOH)
Density 1.3816 (rough estimate)
Vapor pressure 0.002Paat25 ℃
Refractive index - 10 ° (C=5, H2O)
Storage conditions 2-8 ° C
Solubility H2O: 1Mat20 ° C, clear, colorless
Form CrystalinePowder
Acidity coefficient (pKa) 3.32 (at25 ℃)
Color Whitetoff white
PH value 1.7 (50g/l, H2O, 20 ℃)
Opticalactivity[ α] 20/D10.5±1°,c=5%inH2O
Water solubility 10-15g/100mL (20 º C)

L-Pyroglutamic acid CAS 98-79-3 Application

Synthesis of organic intermediates.

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