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METHYLENE BLUE Zinc Free
Home : Products : Speciality Dyes & biological stains : METHYLENE BLUE Zinc Free
 
 
GMP & ISO Certified Manufacturer of high quality METHYLENE BLUE Zinc Free
Macsen Laboratories, world’s leading manufacturer and supplier. of Methylene Blue Zinc Free.
Visit us at CPhI Frankfurt, Germany from 24th - 26th October 2017 at India Pavilion.
 
PRODUCT SPECIFICATIONS
Name of Product: Methylene Blue Zinc Free
Synonyms: Methylthioninium Chloride ; Basic Blue 9 ; C.I 52015 ; Methylene Blue Trihydrate
CAS No: 7220-79-3 (Trihydrate) / 61-73-4 (anhydrous)
Methylene Blue Zinc Free
 
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 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%
 
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