What is L-Pyroglutamic Acid?
L-Pyroglutamic Acid is a non-essential amino acid that can be synthesized naturally (primarily from L-Glutamate) or obtained through food (meat, fish, shellfish, dairy products, legumes, etc.) and supplements.L-Pyroglutamic Acid plays a crucial role in protein synthesis. If you are a vegetarian, I recommend supplementing your body with a combination of amino acids to maintain a balanced amino acid balance. However, the benefits of L-Pyroglutamic Acid extend far beyond this. Its properties allow it to be used in a variety of other areas. For example, L-Pyroglutamic Acid’s strong moisturizing properties make it a valuable addition to skincare products, far surpassing the moisturizing effects of substances like glycerin. It is also more readily absorbed by the skin, resulting in significant results.
Benefits of L-Pyroglutamic Acid
- As a component of the natural moisturizing factor,L-Pyroglutamic Acidhas a strong moisturizing effect. It is an ingredient in many skincare, haircare, and nail care products.
- L-Pyroglutamic Acidis widely found in plants, animals, and microorganisms, and comes from a variety of sources and supplemental forms.
- L-Pyroglutamic Acidis easily prepared by removing a molecule of water from the L-Glutamic acid molecule.
- L-Pyroglutamic Acidparticipates in brain activity, improving cognitive function, enhancing memory, and relieving anxiety.
If you have any questions about processing L-Pyroglutamic Acid, Highassay’s R&D team is here to help.

A Brief Introduction to L-Pyroglutamic Acid
Molecular Formula:C5H7NO3
Molecular Weight:129.11
CAS No.:98-79-3
Appearance:White crystals or crystalline powder
Odor:Almost odorless, with a special taste and sourness
Regular commercial package: 25kg/drum,can be packed according to customer requirements.
Application of L-Pyroglutamic Acid
Highassay adheres to strict quality control (QC) to produce L-Pyroglutamic Acid. Buy L-Pyroglutamic Acid in bulk from us now to get competitive market prices.
- Nutritional Supplements
L-Pyroglutamic Acid, as an ingredient in nutritional supplements, has immune-boosting, antioxidant, and anti-inflammatory properties. It can also help improve sleep and promote muscle growth and recovery.
- Skin and Hair Care Products
L-Pyroglutamic Acid is highly moisturizing and safe, inhibiting melanin deposition. Therefore, it can be added to skin care products for whitening and moisturizing effects.
- Detergents and Cleaners
L-Pyroglutamic Acid can be used as a surfactant and mixed with other organic compounds to create detergents, enhancing their cleaning effectiveness.
- Chemical Reagents
The chiral carbon atom in the L-Pyroglutamic Acid structure makes it optically active, making it suitable for use as a chemical reagent.
- Pharmaceuticals
L-Pyroglutamic Acid has antioxidant properties and can be used to prevent and treat cardiovascular diseases; it can also be used to prevent and treat neurological diseases.
- Food Additives
L-Pyroglutamic Acid itself has a unique flavor and taste and is used to enhance the taste of foods. It can also act as an antioxidant to extend the shelf life of foods.
Storage of L-Pyroglutamatic
Store in a cool, dry place away from sunlight. Do not mix or transport with toxic or hazardous substances. This product is non-dangerous and can be transported as a general chemical. Handle with care and avoid exposure to sunlight and rain.

L-Pyroglutamic Acid Properties
Melting point | 160-163 °C(lit.) |
Specific rotation | -27.5 º (c=10, 1 N NaOH) |
Boiling point | 239.15°C (rough estimate) |
Density | 1.3816 (rough estimate) |
Vapor pressure | 0.002Pa at 25℃ |
Refractive index | -10 ° (C=5, H2O) |
Storage conditions | 2-8°C |
Solubility | H2O: 1 M at 20 °C, clear, colorless |
Acidity coefficient | 3.32(at 25℃) |
PH | 1.7 (50g/l, H2O, 20℃) |
Optical rotation | [α]20/D 10.5±1°, c = 5% in H2O |
Water solubility | 10-15 g/100 mL (20 ºC) |
Merck | 148,001 |
BRN | 82132 |
Stability | Stable. Incompatible with bases, acids, strong oxidizing agents. |