Form |
White or off white free flowing powder |
MF |
C22H32O2 |
MW | 328.49 |
Melting point |
57-58 °C |
Boiling point |
406.22°C (rough estimate) |
Density |
1.0474 (rough estimate) |
Refractive index |
1.547-1.555 |
Storage temp. |
2-8°C |
ITEM |
SPECIFICATIONS |
Assay |
50% min |
Appearance |
White or off white free flowing powder |
Identification |
Positive |
Dispersibility in water |
Dispersible |
Loss on drying |
=<3.0% |
Grunularity |
100% through #40 sieve Min 90% through #60 sieve Min 45% through #100 sieve |
Heavy metal |
=<10ppm |
Arsenic |
=<3ppm |
Total plate count |
1000Cfu/g |
Mold and yeast |
100 Cfu/g |
E .coli |
Negative(in 10g) |
Salmonella |
Negative(in 25g) |
Retinyl acetate has been used:
1. a control diet to study its effect at different developmental periods in fish larvae
2. to study its inhibitory effects on Mycobacterium avium, subspecies, paratuberculosis, (MAP) strains
3. as an internal standard in high performance liquid chromatography (HPLC) to quantify vitamin A in fortified milk