Methylene Blue Zinc Free

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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
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 75˚C 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 105˚C & As % Of (C16h18n3cls)
MINIMUM 98.0% TO 103.0% MAXIMUM 98.5 – 99.9%
Buy the best quality METHYLENE BLUE Zinc Free Used as a biological stain from Macsen Laboratories, world’s leading manufacturer and supplier.
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

Resources on Methylene Blue

What is Methylene Blue | An Overview of Methylene Blue
Uses of Methylene Blue
Methylene blue for treating Methemoglobinemia
Methylene Blue & Covid-19 – Research So Far
Staining with Methylene Blue | Different uses and examples
Methylene Blue’s uses in Fish Aquaculture
Common Side Effects of Methylene Blue & Precautions to be taken
Methylene Blue Against Cyanide Poisoning
Methylene Blue Injection: Indications, Dosage & Brands
Methylene Blue in the treatment of Alzheimer’s
Malaria Treatment with Methylene Blue

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