Home » speciality Dyes and Biological Stains » Methylene Blue Zinc Free (Basic Blue 9)
Methylene Blue Zinc Free also referred to as Basic Blue 9, is a type of dye that sees widespread application in the dying of fabrics. Basic Blue 9 is a hue that can be found in colored paper.
Macsen Labs group’s Methylene Blue Synthesis Process granted a patent from the Indian patent office
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
Macsen Laboratories is the leading manufacturer & supplier of Methylene Blue Zinc Free (Basic Blue 9) with ISO certification.
| PRODUCT SPECIFICATIONS | |
|---|---|
| Name of Product | Methylene Blue Zinc Free (Basic Blue 9) |
| IUPAC Name | [7-(dimethylamino)phenothiazin-3-ylidene]-dimethylazanium;chloride |
| Synonyms | Methylthioninium Chloride ; C.I 52015 ; Methylene Blue Trihydrate; Methylene Blue 2B; Basic Lake Blue BB; Basic Blue BOC; Basic Blue 4RF; Basic Blue BO; Methylene Violet |
| CAS No | 122965-43-9 |
| Molecular Formula | C16H18ClN3S |
| Molecular Weight | 319.9 g/mol |
SPECIFICATIONS
| SR. No | Criteria | Limit/Specification | Our Results |
|---|---|---|---|
| 1 | Description | Dark Blue crystalline Powder with a copper- coloured sheen. | Dark Blue crystalline Powder with a copper- coloured sheen. |
| 2 | Solubility | Must Pass Test | Passes Test |
| 3 | Identification | Must Pass Tests | Passes Tests |
| 4 | Loss On Drying (At 75ËšC At Pressure Nmt 5mm Of Mercury For 4 Hrs.) | LIMIT: IN BETWEEN 8.0%-18.0% | 11-15% |
| 5 | Residue On Ignition | NMT 1.2% | 0.3-0.7% |
| 6 | Arsenic | LIMIT: 8PPM | 2-6 PPM |
| 7 | Copper Or Zinc | Must Pass Test | Passes Test. |
| 8 | Chromatographic Purity | >Must Pass Test | Passes Test. |
| 9 | Assay (With Reference To Subs. Dried At 105ËšC & As % Of (C16h18n3cls) |
MINIMUM 98.0% TO 103.0% MAXIMUM | 98.5 – 99.9% |