CAS No.: 28319-77-9
Chemical Name: L-α-Glycerylphosphorylcholine
Synonyms: Choline Alfoscerate, sn-Glycero-3-phosphocholine, Alpha GPC 50%
Diluent: D-Mannitol (Most common commercial grade, anti-caking & moisture resistant)
Molecular Formula (Active substance): C₈H₂₀NO₆P
Molecular Weight (Active substance): 257.22
EINECS No.: 248-962-2
1. Chemphysical Properties
Appearance White to off-white free-flowing fine powder
Odor Odorless
Solubility Active Alpha-GPC highly soluble in water; Mannitol soluble in water
Hygroscopicity Low hygroscopicity (stabilized by mannitol, much better than 99% pure Alpha-GPC)
pH (10% aqueous solution) 4.5 ~ 7.0
2. Quality Specification (Food / Supplement Grade, 50% Alpha-GPC)
| Test Item | Specification | Test Method |
|---|---|---|
| Assay (L-α-Glycerylphosphorylcholine, HPLC) | ≥50.0% | HPLC |
| D-Mannitol | Balance | / |
| Water Content | ≤3.0% | Karl Fischer |
| Residue on Ignition | ≤2.0% | / |
| Specific Rotation [α]D²⁵ (dry basis active) | -2.5° ~ -3.0° | Polarimeter |
| Heavy Metals (Pb) | ≤10 ppm | AAS |
| Arsenic (As) | ≤2 ppm | AAS |
| Total Plate Count | ≤1000 cfu/g | USP |
| Yeast & Mold | ≤100 cfu/g | USP |
| E. coli / Salmonella / S. aureus | Negative /25g | USP |
3. Application & Use
Dietary Supplement (Main): Nootropic raw material for memory, focus, cognitive support, sports nutrition
Functional food, solid beverage, capsule & tablet formulation
Nutraceutical raw material
Note: This is a blended standardized powder, NOT pure 99% Alpha-GPC.
4. Packing
Standard: 25kg fiber drum with inner aluminum foil bag
Small package: 1kg / 5kg aluminum foil bag, nitrogen sealing
Custom packaging available
5. Storage & Transportation
Storage: Keep tightly sealed in cool, dry, dark warehouse, avoid high humidity. Shelf life: 24 months under proper storage
Transport: Non-hazardous goods, avoid package breakage and moisture absorption
chemical.tnj
+8618949823763
tnjchem
2881500864