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239812 Methylene Blue Trihydrate, 98.0-103.0% USP (CI Basic Blue 9) CAS: 7220-79-3

Specifications
References
CAS Number
7220-79-3
Grade
USP
MDL Number
MFCD00150008
Molecular Formula
C₁₆H₂₄ClN₃O₃S
Molecular Weight
373.9
EU Commodity Code
38220090
Shipping Temp
RT
Storage Temp
RT
C.I. Basic Blue 9 Trihydrate; 3,7-Bis(dimethylamino)phenothiazin-5-ium ChlorideTrihydrate; 3,7-Bis(dimethylamino)phenazathionium Chloride Trihydrate; Methylene Blue Trihydrate

Methylene Blue Trihydrate is a competitive inhibitor of glutathione reductase used in combination with antimalarial drugs.

Synonyms
C.I. Basic Blue 9 Trihydrate; 3,7-Bis(dimethylamino)phenothiazin-5-ium ChlorideTrihydrate; 3,7-Bis(dimethylamino)phenazathionium Chloride Trihydrate; Methylene Blue Trihydrate
CAS No
7220-79-3
Molecular Formula
C₁₆H₂₄ClN₃O₃S
Molecular Weight
373.9
Purity
98-103% (Assay by titration)
Appearance
Dark green or blue crystalline powder
Solubility
Clear blue solution
Copper (Cu)
≤0.02%
Zinc (Zn)
≤0.01%
Arsenic (As)
≤0.0008%
Loss on Drying (@105ºC, 5 hours)
8-18%
Residual Solvents
To pass test
Residue On Ignition
≤1.2%
Related Substances
Azure B: ≤2.5% Unspecified Impurity: ≤0.1% Total Impurities: ≤0.5%
Identification
To pass test
Storage and Stability
Maybe stored at RT. Stable for 12 months after receipt.
Important Note
This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.
Toxicity and Hazards
 All products should be handled by qualified personnel only, trained in laboratory procedures.
References
1. Gut, F. et al.: Eur. J. Pharm. Biopharm., 69, 582 (2008); 2. Delves, M. et al.: PLoS, Med., 10, e1001169 (2012)
USBio References
No references available
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