1428008

Methylene blue

United States Pharmacopeia (USP) Reference Standard

• Synonym(s): 3,7-bis(Dimethylamino)phenazathionium chloride, Tetramethylthionine chloride
• Empirical Formula (Hill Notation): C₁₆H₁₈ClN₃S · xH₂O
• CAS Number: 122965-43-9
• Molecular Weight: 319.85 (anhydrous basis)
• Colour Index Number: 52015
• Beilstein/REAXYS Number: 3599847
• EC Number: 200-515-2
• MDL number: MFCD00150006
• UNSPSC Code: 41116107
• NACRES: NA.24

Properties

• manufacturer/tradename: USP
• application(s): pharmaceutical (small molecule)
• SMILES string: CN(C)C1=CC=C2C(SC(C3=N2)=CC(C=C3)=[N+](C)C)=C1.[H]O[H].[Cl-]
• InChI: 1S/C16H18N3S.ClH.H2O/c1-18(2)11-5-7-13-15(9-11)20-16-10-12(19(3)4)6-8-14(16)17-13;;/h5-10H,1-4H3;1H;1H2/q+1;;/p-1
• InChI key: WQVSELLRAGBDLX-UHFFFAOYSA-M

Description

General description

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.
For further information and support please go to the website of the issuing Pharmacopoeia.

Application

Methylene blue USP reference standard, intended for use in specified quality tests and assays as specified in the USP compendia. Also, for use with USP monographs such as:

• Methylene Blue Injection
• Methylene Blue Compounded Injection, Veterinary

Analysis Note

These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.  ​

Other Notes

USP issued SDS can be found here.

Sales restrictions may apply.

Safety Information

• pictograms: GHS07
• signalword: Warning
• hcodes: H302
• pcodes: P301 + P312 + P330
• Hazard Classifications: Acute Tox. 4 Oral
• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable