Home » speciality Dyes and Biological Stains » Methylene Blue Zinc Free
PRODUCT SPECIFICATIONS | |
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Name of Product | Methylene Blue Zinc Free |
Synonyms | Methylthioninium Chloride ; Basic Blue 9 ; C.I 52015 ; Methylene Blue Trihydrate |
CAS No | 122965-43-9 |
SR. No | Criteria | Limit/Specification | Our Results |
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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% |
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