L-alanine

CAS Number
56-41-7
EC Number
200-273-8
FEMA Number
FEMA 3818

What is L-alanine?

L-Alanine (CAS 56-41-7) is a naturally occurring amino acid produced through fermentation or chemical synthesis for industrial use. FEMA 3818.

Where is L-alanine used?

  • Food and beverage: flavor modifier, pH buffer and humectant that enhances savory and sweet profiles in soups, sauces and processed foods
  • Pharmaceuticals: stabilizing excipient in amino acid infusions and oral supplements
  • Tablet formulations: buffering capacity
  • Personal care: moisturizing agent and mild pH adjuster in skin creams, shampoos and conditioning treatments
  • Sports nutrition and nutraceuticals: labeled amino acid ingredient in powders, capsules and functional beverages
  • Its high solubility and stability suit liquid and dry mix applications.

Good to know: Standard grades include USP, BP, Ph. Eur., food-grade (FCC), EP and AJI97.

Commercial specifications

  • Bulk quantities for industrial procurement; smaller packaging for R&D

Other Names (Synonyms)

L-alpha-Alanine|L-Ala|L-2-aminopropionic acid|Alanine|(S)-alanine|(S)-2-aminopropanoic acid|(2S)-2-aminopropanoic acid|Ala

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What are the physical properties of L-alanine?

Melting Point 300 °C (decomp)
Boiling Point 212.9±23.0 °C(Predicted)
Density 1.432 g/cm³ @ Temp: 22 °C
Appearance White crystalline powder
Color White to almost white
Odor odorless
Form powder
Water Solubility 166.5 g/L (25 ºC)
Refractive Index 1.4650 (estimate)
pH 5.5-6.5 (100g/l, H2O, 20℃)
Log P -0.68

Which trade and regulatory codes apply to L-alanine?

HS Code 29224995
Storage Class 11 - Combustible Solids
WGK (Germany) 3
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