Alginic Acid
Confirms to IP
Algin, Sodium alginate ; d, 1.601
Product Code. |
02900 |
Grade |
|
Purity |
CAS No. |
9005-32-7 | |
Molecular Formula |
(C6H8O6)n |
Molecular Weight |
48000.00 |
H.S.Code |
3913.10100 |
Shelf Life |
60 Months |
| Physical state at 20 °C |
Solid |
Colour |
White powder |
Melting point/ Freezing point [°C] |
300 °C |
| Appearance | White to Light Yellow powder |
| Assay (as carboxylic acid groups (COOH); on anhydrous basis) | 19.0 - 25.0% |
| Identification | Passes test |
| pH (3% solution in water) | 1.5 - 3.5 |
| Arsenic (As) | Max 0.0005% |
| Heavy metal (as Pb) | Max 0.004% |
| Acid value (mg KOH/gm) | Min 230.0 |
| Total ash | Max 4.0% |
| Loss on dryig (at 105°C; 4 hrs) | Max 15.0% |
| Microbial contamination | 1 gm is free from Escherichia.coli and 10 g is free from salmonellae |