| 4-BROMO ANILINE (P-Bromoaniline, 4-Bromobenzeneamine) | |
| Specification | For : 4-BROMO ANILINE(P-Bromoaniline, 4-Bromobenzeneamine) |
| CAS No. | 106-40-1 |
| Molecular Formula | C6h6brn |
| Molecular Weight | 172.02 |
| Test | Specification |
| Description | Off white to to cream colour powder |
| Solubility | Freely soluble in alcohol |
| Melting Point | Limit : 60° C to 63° C |
| Moisture | Limit: Max. 0.5% |
| Assay (By G.C.) | Limit: Min. 98% |
| Risedronic Acid | |
| Specification | For : Risedronic Acid  |
| CAS No: | 105462-24-6 |
| Chemical Name | [1-Hydroxy-2-(3-pyridinyl)ethylidene]bisphosphonic acid |
| Molecular formula | C7H11NO7P2 |
| Molecular Weight | 283.11 |
| Test | Specification |
| Description | White to off white Crystalline powder |
| Identification | Infra Red Absorption Spectrum |
| Solubility | Soluble in 0.1 M sodium hydroxide, Sparingly soluble in water, insoluble in organic solvents |
| Clarity & colour of solution (1% w/v in water) | Clear & Colourless solution |
| pH (1% in Water) | Limit : 3.7 – 4.8 |
| Loss on Drying | Limit : 12.2% - 13.5% w/w/ |
| Heavy Metals | Limit : Max. 20 ppm |
| Residual Solvents Monochloro Benzene Methanol Chloroform |
Limit : 2000 ppm 1500 ppm 1000 ppm |
| Related Substances a) Pyridine – 3-actic acid (by HPLC) b) Phosphite content (by tritrimetic) |
Max. 0.2% Max. 1% |
| Assay % (by HPLC) (On anhydrous basis) | Limit : Min. 99% |
| FLUORESCEIN ACID | |
| Specification | For : FLUORESCEIN ACID |
| C.A.S No | 1461-15-0 |
| C.I. No. | 45350:1 |
| Test | Specification |
| Description | Dark orange powder |
| Solubility 0.1% (0.1 N NAOH) | Clear Yellow Solution With Greenish Flurescence |
| Absorptivity 1% / 1cm, at λ Max. 491.0nm | Limit : 2200-2500 |
| Loss On Drying At 110° C (1HR) | Limit: Max 1% |
| Assay | Limit: 99% |
