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Thiamine, also known as Vitamin B1, is a water-soluble vitamin widely used in dietary supplements, fortified foods, and nutritional health products.
As an essential nutrient involved in carbohydrate metabolism, thiamine plays an important role in supporting the body's natural energy production. It is commonly applied in B-complex formulations, daily nutrition products, and active lifestyle supplements.
Thiamine plays an essential role in carbohydrate metabolism and helps support the body's natural energy production.
Applied in dietary supplements, fortified foods, and daily wellness products.
Free samples available, with complete COA, TDS and MSDS documents supplied.
| Item | Standard | Test Method | Test Result |
| Appearance | White or almost white crystals or crystalline powder | Eyeballing | White crystalline powder |
| Identification* | Meet the Requirement | IR, Physical and chemical identification | Conforms |
| Melting point* | About 248°C with some decomposition | Melting point meter | Conforms |
| Solubility* | Freely soluble in water, soluble in glycerol, slightly soluble in alcohol (96%), practically insoluble in heptane, insoluble in ether and in benzene | Physical and chemical testing | Freely Soluble in Water, Soluble in Glycerol, Slightly Soluble in Alcohol |
| Assay (%) | 98.5～101.0 (anhydrous substance) | Potentiometric titration | 99.6 |
| PH | 2.7–3.3 | Acidity meter test | 3.1 |
| Appearance of Solution | The solution is clear and not more intensely coloured than reference solution | Colorimetric method | Passes test |
| Absorbance of Solution | ≤0.025 | UV | 0.005 |
| Impurity A (%)* | ≤0.15 | HPLC | 0.01 |
| Impurity B (%)* | ≤0.3 | HPLC | ND |
| Impurity C (%)* | ≤0.15 | HPLC | 0.01 |
| Unspecified Impurities (for each impurity)* | ≤0.10 | HPLC | 0.01 |
| Total Impurity (%)* | ≤0.5 | HPLC | 0.03 |
| Related Compounds (%)* | ≤1.0 | HPLC | ND |
| Sulphates (ppm)* | ≤300 | Colorimetric method | <300 |
| Water (%) | ≤5.0 | Water Determination | 0.95 |
| Sulphated ash / Residue on Ignition (%)* | ≤1.0 | Muffle | 0.08 |
| Limit of Nitrate* | No brown ring is produced at the junction of the two layers | Physical and chemical analysis | Passes test |
| Lead (mg/kg)* | ≤2 | Flame Atomic Absorption Spectrophotometric Method | <2 |
| Residual Solvent (ppm)* | ≤3000 | GC | 332.66 |
Thiamine is used in compound vitamin supplements and health products, supporting energy metabolism and maintaining normal nerve function.
Applied as a nutritional fortifier in cereals, beverages, dairy products and baked food to supplement daily vitamin intake.
Served as pharmaceutical raw material for vitamin preparations, relieving fatigue and improving neurasthenia symptoms.
| Weight | Packing Method |
| 1kg | bag/kg, box outside (double plastic bag + Aluminum foil bag inside) |
| 10kgs, 25kg or more | by Drums or carton (2 layers plastic bag inside) |
| Weight | Delivery Method | Delivery Time | Destination |
| 1kg–25kgs | EMS, DHL, UPS, FedEx | 3–7 days | Door to door |
| 25kgs–100kgs | DHL, FedEx, by Air | 3–7 days | Door to door (to Airport by Air) |
| More than 100kgs | by Air | 3–7 days | Door to Airport |
| by Sea | 10–35 days | Door to port |
