
Amino Acid Moisturizer (Anhydrous)
Product Name: amino acid moisturizer (anhydrous)
Chinese nicknames:Betaine,Trimethylammonium acetolactone,Glycine trimethylamine internal salt
English name::Betaine
CAS NO.:107-43-7
Structural formula:(CH3)3NCH2COO-
Molecular formula:C5H11NO2
Molecular weight:117.15
Executive standard: enterprise standard
physical property: Scale like or prismatic crystals that are easily hygroscopic,it decomposes at about 310 ℃,It's sweet. Very soluble in water,it is soluble in methanol, ethanol .Insoluble in ether .After the decomposition reaction of concentrated potassium hydroxide solution, trimethylamine can be produced, which is hygroscopic, easy to deliquescence and release trimethylamine.
Quality index:
Items of Analysis |
Specification |
Assay(calculated on the anhydrous basis) % |
≥ 98.0 |
Loss on drying% |
≤ 2.0 |
Residue on ignition% |
≤ 0.1 |
Conductivity (μ s / cm) |
≤ 10 |
pH(1 in 10) |
5.0-7.0 |
Heavy metal (Pb )(mg/Kg)) |
≤ 10 |
Lead ( Pb) (mg / kg) |
≤ 5 |
Cadmium ( CD) (mg / kg) |
≤ 5 |
Mercury ( Hg) (mg / kg) |
≤ 1 |
Arsenic (As) (mg / kg) |
≤2 |
Trimethylamine residue (mg / kg) |
≤ 10 |
Sulfate (mg / kg) |
≤20 |
Total number of colonies (CFU / g) |
≤ 100 |
Mold and yeast (CFU / g) |
≤ 10 |
Staphylococcus aureus (CFU / g) |
No detection |
Pseudomonas aeruginosa (CFU / g) |
No detection |
Thermotolerant coliform (CFU / g) |
No detection |
Coliform group (MPN) / g) |
≤3 |
Particle size (Through 20 Mesh) % |
100 |