Methylene Blue BP 1973
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PRODUCT SPECIFICATIONS
| Name Of Product: | Methylene Blue BP 1973 |
| Pharmacopoeial Name: | Methylene Blue BP 1973 |
| Synonyms: | Methylene Blue ; Basic Blue 9 ; C.I 52015 ; Methylene Blue Trihydrate |
| CAS No: | 61-73-4 (anhydrous) / 7220-79-3 (trihydrate) |
SPECIFICATIONS
| Sr. No | Criteria | Limit/Specification | Our Results |
| 1. | Appearance | Dark Blue Crystalline Powder with a Copper- colored Sheen, or Green Crystals with a bronze-colored sheen. | Dark Green Crystals with a bronze-colored sheen. |
| 2. | Solubility | Must Pass Test | Passes Test |
| 3. | Identification | Must Pass A to D Tests Of B.P | Passes Tests Of B.P |
| 4. | Loss On Drying (At 75˚C) | Limit: IN BETWEEN 8.0%-22.0% | 8.0 – 13.5 % |
| 5. | Sulphated Ash Test | NMT 0.25% | <0.1 % |
| 6. | Related Substances | Impurity A (Limit: Max.5.0%) Any other Impurity (Limit: Max.0.5%) Sum Of impurity Other then A (Limit: Max. 1.0%) Disregard Limit: Limit (0.1%) | 2.5 – 4.0 % a) Not Detected b) Not Detected c) 0 % |
| 7. | Heavy Metals | Must Comply as per BP | Complies with BP |
| 9. | Assay (With Reference To Subs. Dried At 105˚C & As % Of (C 16H 18N 3ClS).H 2O | MINIMUM 95.0% TO 101.0% MAXIMUM | 98.0 – 100.0 % |
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