
WHO GMP, WC & USDMF is now available for Methylthioninium Chloride.
| PRODUCT SPECIFICATIONS | |
|---|---|
| Name of Product | Methylthioninium Chloride |
| Pharmacopoeial Name | Methylthioninium Chloride E.P-9.0 |
| Synonyms | Methylene Blue ; Basic Blue 9 ; C.I 52015 ; Methylene Blue Trihydrate |
| CAS No | 122965-43-9 |
| WHO-GMP | ✓ |
| WC | ✓ |
| DMF | ✓ |
| US-DMF | ✓ |
| SR. No | Criteria | Limit/Specification |
|---|---|---|
| 1 | APPEARANCE | Dark Blue Crystalline Powder with a Copper- colored Sheen, or Green Crystals with a bronze-colored sheen. |
| 2 | SOLUBILITY | Must Pass Test |
| 3 | IDENTIFICATION | Must Pass A to D Tests Of B.P |
| 4 | LOSS ON DRYING (AT 105ËšC FOR 5 HOUR.) | Limit: IN BETWEEN 8.0%-22.0% |
| 5 | METALS ALUMINIUM CADMIUM CHROMIUM COPPER TIN IRON MANGANESE MERCURY MOLYBDENUM NICKEL LEAD ZINC |
NMT 100 PPM NMT 1 PPM NMT 100 PPM NMT 300 PPM NMT 10 PPM NMT 200 PPM NMT 10 PPM NMT 1PPM NMT 10 PPM NMT 10 PPM NMT 10 PPM NMT 100 PPM |
| 6 | SULPHATED ASH TEST | MAX. 0.25% |
| 7 | RELATED SUBSTANCES | Impurity A (Limit Max.5.0%) Unspecified Impurities: for each impurity (Limit Max.0.10 %) Sum Of impurity Other then A (Limit Max. 0.5%) Reporting threshold Limit: (0.05%) |
| 8 | ASSAY (BY HPLC) | 93.0% TO 102.0% (WITH REFERENCE TO SUBS. DRIED AT 105ËšC & AS % (C16H18N3ClS).H2O |
The Indian Patent Office granted a patent to Mr Achal Agrawal, CEO of Macsen Labs, Udaipur. The title of the patent is Novel Improved Method for Synthesis of Diaminophenothiazine Compounds and it concerns a novel process for synthesising the compound Methylthioninium Chloride or Methylene Blue. Macsen Labs has now achieved a unique position by this patent and from now nobody will be able to copy this process. Read more
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