Basic Information
- Chinese Name: L-Glutamic Acid
- English Name: L-Glutamic Acid
- CAS Number: 56-86-0
- Molecular Formula: C₅H₉NO₄
- Molecular Weight: 147.13
Physical and Chemical Properties
- Appearance: White crystalline powder
- Odor: Almost odorless, with a specific taste and sourness
- Melting Point: Approx. 205°C (decomposes)
- Solubility: Slightly soluble in cold water, easily soluble in hot water, almost insoluble in diethyl ether, ethanol, and acetone
- pH Value of Saturated Aqueous Solution: Approx. 3.2
- Other Data:
- Molar Refractivity: 31.83
- Molar Volume (cm³/mol): 104.3
- Isotonic Ratio (90.2K): 301.0
- Surface Tension (dyne/cm): 69.2
- Polarizability (10⁻²⁴cm³): 12.62
Toxicological Information
- Acute Toxicity:
- Human Oral TDLo: 71mg/kg
- Human Intravenous TDLo: 117mg/kg
- Rat Oral LD50: >30000 mg/kg
- Rabbit Oral LD50: >2300mg/kg
Ecological Information
- Water Hazard Class: 1 (German Regulation) (Self-assessment via list)
- Note: Do not allow undiluted or large quantities of the product to come into contact with groundwater, watercourses, or sewage systems. Do not release the material into the environment without government permission.
Storage Conditions
- Should be stored in a cool, dry, and light-protected environment at 2-8°C.
Uses
- L-Glutamic Acid is an important amino acid with wide applications in the food, pharmaceutical, and cosmetic industries.
Precautions
- During handling and storage, appropriate safety measures should be observed to avoid direct contact with skin and eyes, and ensure a dry and cool storage environment.
Reviews
There are no reviews yet.