Chemical name: pyridoxine hydrochloride
Molecular formula: C8H11NO3 • HCl
CAS: 58-56-0
Properties: white to light yellow crystal or white crystalline powder. Odorless, slightly bitter. Stable in air, good heat-resistance. Gradually browning by the illumination, and rapidly deteriorated in aqueous solution. Its aqueous solution to Litmus test is acidic, and pH value is about 3. Soluble in water and propylene glycol, soluble in ethanol. Insoluble in ether and chloroform. It occurs polymerization when heated to 120℃ in neutral solution, but stable in acidic or alkaline solution, non- polymerization.
Usage: nutritional supplement
Application: used for nutritional foods fortified. Adult daily requirement is 1.5–2mg.
Quality standard: GB14753-1993
|
item |
standard |
|
appearance |
white or off-white crystalline powder |
|
melting point(℃) |
206 |
|
loss on drying (%) |
0.5 max |
|
residue on ignition (%) |
0.1 max |
|
acidity (pH) |
2.4–3.0 |
|
heavy metal (ppm) |
30 max |
|
content (%) |
98.0 max |
Packaging: 25KG / barrel
Transportation: avoid sun and rain, be transported as general chemicals but with no toxic, hazard materials.
Storage: stored in dry clean dark environment, and not be mixed with toxic substances to avoid contamination.
Shelf life: two years |
