Deanol L-Bitartrate (DMAE)
City: Marupe
Please avoid sudden changes in temperature and humidity, as they may affect the condition of derivative ingredients and tablets.
The shelf life begins from the date of manufacture at the factory.
Taking into account logistical and transportation stages, the remaining shelf life of the product is always shorter than the full shelf life.
We ship products to our customers with a remaining shelf life of no less than 70%.
DEANOL L-BITARTRATE |
Batch | Manufactured | Expiration |
DB25061701 | 17/06/2025 | 16/06/2028 |
Appearance | White crystalline powder | Conform | Visual |
Identification | Positive reaction | Conform | In-house |
Assay | NLT 99.0% | 99.64% | Titration |
DMAE | NLT 36.9% | 37.13% | Titration |
Water | NMT 0.5% | 0.07% | Drying (80℃,4h) |
pH (10% solution) | 3.0-4.0 | 3.51 | pH meter |
Specific Rotation | +17.5º - +18.5º | +17.97° | USP<781S> |
Residue on ignition | NMT 0.1% | 0.02% | USP<281> |
Heavy metals* | NMT 10ppm | Conform | Colorimetric method |
Lead | NMT 1ppm | Conform | USP<730> |
Arsenic | NMT 1ppm | Conform | USP<730> |
Cadmium* | NMT 0.2ppm | Conform | USP<730> |
Mercury* | NMT 0.1ppm | Conform | USP<730> |
Total plate count* | NMT 1000 cfu/g | Conform | USP<61> |
Yeast and Mold* | NMT 100 cfu/g | Conform | USP<61> |
E.Coli* | Negative/10g | Conform | USP<62> |
Salmonella* | Negative/25g | Conform | USP<62> |
Staphylococcus* | Negative/10g | Conform | USP<62> |
Bulk Density | 0.40-0.70g/ml | 0.62g/ml | USP<616> |
Tapped Density: |
| 0.76g/ml |
|