Vitamin B1
Thiamine or thiamin or vitamin B1 named as the “thio-vitamine” (“sulfur-containing vitamin”) is a water-soluble vitamin of the B complex. First named aneurin for the detrimental neurological effects if not present in the diet, it was eventually assigned the generic descriptor name vitamin B1. Its phosphate derivatives are involved in many cellular processes. The best-characterized form is thiamine pyrophosphate (TPP), a coenzyme in the catabolism of sugars and amino acids. Thiamine is used in the biosynthesis of the neurotransmitter acetylcholine and gamma-aminobutyric acid (GABA). In yeast, TPP is also required in the first step of alcoholic fermentation.
Item |
Standard |
Appearance |
White or almost white, crystalline powder or colourless crystals |
Identification |
IR,Characteristic Reaction and Test of chlorides |
Assay |
98.5-101.0 |
pH |
2.7-3.3 |
Absorbance of solution |
=<0.025 |
Solubility |
Freely Soluble in Water,Soluble in Glycerol,Slightly Soluble in Alcohol |
Appearance of solution |
Clear and not more than Y7 |
Sulphates |
=<300PPM |
Limit of nitrate |
No brown ring is produced |
Heavy metals |
=<20 PPM |
Related substances |
Any impurity % =<0.4 |
Water |
=<5.0 |
Sulphated ash/Residueon ignition |
=<0.1 |
Chromatographic purity |
=<1.0 |
Storage: in dry, cool, and shaded place with original packaging, avoid moisture, store at room temperature.
Shelf Life: 48 months
Package:in 25kg/bag
delivery:prompt
1. What’s your payment terms?
T/T or L/C.
2. What’s your delivery time?
Usually we will arrange the shipment in 7 -15 days.
3. How about the packing?
Usually we provide the packing as 25 kg / bag or carton. Of course, if you have special requirements on them, we will according to you.
4. How about the validity of the products?
According to the products you ordered.
5. What documents you provide?
Usually, we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate. If your markets have any special requirements, let us know.
6. What is loading port?
Usually is Shanghai,Qingdao or Tianjin.