| Form |
Yellow to orange/yellow crystalline powder |
| MF | C17H20N4O6 |
| MW | 376.36 |
| Melting point |
290 °C (dec.)(lit.) |
| Boiling point |
504.93°C (rough estimate) |
| Density | 1.2112 (rough estimate) |
| Refractive index | -135 ° (C=0.5, JP Method) |
| Pka | 1.7(at 25°C) |
| Storage temp. | 2-8°C |
Vitamin B2 98% Food
|
ITEM |
STANDARD |
|
APPEARANCE |
YELLOW TO ORANGER-YELLOW PARTICLE |
|
PARTICLE SIZE |
SIEVE 90% PASS THROUGH 0.28MM NORMAL SIEVE |
|
LOSS ON DRYING |
=<1.5% |
|
RESIDUE ON IGNITION |
=<0.3% |
|
ASSAY(ON DRY MATERIAL) |
>=80.0% |
|
Lumiflavin |
440nm Absorbance 0.025 Max |
|
Assay(on dried basis) |
98.0%-102.0% |
|
VITAMIN B2 80% Feed Grade |
|
|
ITEM |
STANDARD |
|
APPEARANCE |
YELLOW TO ORANGER-YELLOW PARTICLE |
|
PARTICLE SIZE |
SIEVE 90% PASS THROUGH 0.28MM NORMAL SIEVE |
|
LOSS ON DRYING |
=<3.0% |
|
RESIDUE ON IGNITION |
=<0.5% |
|
ASSAY(ON DRY MATERIAL) |
>=80.0% |
Riboflavin (Vitamin B2) is used in skin care preparations as an emollient. It can be found in sun care products as a suntan enhancer. Medicinally, it is used for the treatment of skin lesions.
This product is to be added to animal feed in order to maintain body health, accelerate growth and development, and keep the integrity of skin and mucous membranes.
