Alpha Lipoic Acid

CAS Number
1077-28-7
EC Number
214-071-2
Abbreviation
ALA

What is Alpha Lipoic Acid?

Alpha lipoic acid (CAS 1077-28-7) is a sulfur-containing antioxidant compound used in pharmaceutical, nutraceutical and cosmetic manufacturing.

Where is Alpha Lipoic Acid used?

  • Nutraceuticals and dietary supplements: capsules, tablets and functional foods for metabolic support
  • Cosmetics: anti-aging creams and serums, antioxidant activity supporting oxidative stability
  • Pharmaceuticals: active ingredient in intravenous and oral preparations
  • Food-grade applications: antioxidant stabilizer in fortified products and functional beverage systems
  • It functions primarily as an antioxidant and cellular cofactor.

Good to know: Common in markets where it holds drug status for specific neuropathic indications and therapeutic uses. R-alpha lipoic acid is also available as a distinct enantiomer-specific grade.

Commercial specifications

  • Pharmaceutical grade meeting USP and Ph. Eur. specifications
  • Bulk quantities for industrial-scale formulation

Other Names (Synonyms)

liponic acid|acetate-replacing factor|6,8-thiotic acid|6,8-thioctic acid|6-thiotic acid|6-thioctic acid|5-[3-(1,2-dithiolanyl)]pentanoic acid|5-(dithiolan-3-yl)pentanoic acid|ALA

Contact us for supply of Alpha Lipoic Acid

Request Quote

What are the physical properties of Alpha Lipoic Acid?

Melting Point 60-61 °C
Boiling Point 160-165 °C
Density 1.2888 (rough estimate)
Flash Point 160-165°C
Appearance Light-Yellow Solid
Color Yellow
Form Crystals or Crystalline Powder
Water Solubility 0.9 g/L (20 ºC)
Refractive Index 1.5200 (estimate)
Log P 2.530 (est)

How is Alpha Lipoic Acid classified and handled safely? Learn More

Warning
GHS07· Irritant GHS09· Environmental Hazard

Hazard Statements

H302 Harmful if swallowed
H315 Causes skin irritation
H317 May cause an allergic skin reaction
H319 Causes serious eye irritation

Precautionary Statements

P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash … thoroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P271 Use only outdoors or in a well-ventilated area.

Which trade and regulatory codes apply to Alpha Lipoic Acid?

HS Code 29349900
Storage Class 11 - Combustible Solids
WGK (Germany) 3
Call Request Quote