New Methylene Blue N - Dye content ~70 % , CAS No.1934-16-3

CAS: 1934-16-3 Cat. No.: N358391 Molecular Weight: 347.91 EC Number: 217-696-9 PubChem CID: 73518

GRADE & PURITY Dye content ~70 %

Synonyms

Basic blue 24 | NSC9605 | NSC-9605 | DTXSID30894752 | C.I. Basic Blue 24 | New methylene blue | Phenothiazin-5-ium,7-bis(ethylamino)-2,8-dimethyl-, chloride | 5GCZ112BCN | SCHEMBL220238 | ethyl-[7-(ethylamino)-2,8-dimethylphenothiazin-3-ylidene]azanium;ch

Storage

Room temperature

Shipped In

Normal

Overview

New Methylene Blue N is a solvent soluble cationic thiazine dye.

Specifications

Synonyms

Basic blue 24 | NSC9605 | NSC-9605 | DTXSID30894752 | C.I. Basic Blue 24 | New methylene blue | Phenothiazin-5-ium, 7-bis(ethylamino)-2, 8-dimethyl-, chloride | 5GCZ112BCN | SCHEMBL220238 | ethyl-[7-(ethylamino)-2, 8-dimethylphenothiazin-3-ylidene]azanium;ch

Specifications & Purity

Dye content ~70 %

Biochemical and Physiological Mechanisms

New methylene blue N can bind, neutralize and cross-link with ribonucleic acid. This results in the co-precipitation of ribosomes and residual RNA with mitochondria and ferritin clumps. These events make live, young red blood cells visible under the micro

Storage

Room temperature

Shipped In

Normal

Names and Identifiers

• Pubchem Sid: 488184782
• Pubchem Sid Url: https://pubchem.ncbi.nlm.nih.gov/substance/488184782
• Canonical Smiles: CCNC1=CC2=C(C=C1C)N=C3C=C(C(=[NH+]CC)C=C3S2)C.[Cl-]
• IUPAC Name: ethyl-[7-(ethylamino)-2,8-dimethylphenothiazin-3-ylidene]azanium;chloride
• InChIKey: SQHOAFZGYFNDQX-UHFFFAOYSA-N
• INCHI: 1S/C18H21N3S.ClH/c1-5-19-13-9-17-15(7-11(13)3)21-16-8-12(4)14(20-6-2)10-18(16)22-17;/h7-10,19H,5-6H2,1-4H3;1H
• Isomeric SMILES: CCNC1=CC2=C(C=C1C)N=C3C=C(C(=[NH+]CC)C=C3S2)C.[Cl-]
• PubChem CID: 73518
• Molecular Weight: 347.91

Taxonomic Classification

Taxonomy Tree

• Kingdom Organic compounds
  • Superclass Organoheterocyclic compounds
    • Class Benzothiazines

• Kingdom: Organic compounds
• Superclass: Organoheterocyclic compounds
• Class: Benzothiazines
• Subclass: Not available
• Intermediate Tree Nodes: Not available
• Direct Parent: Benzothiazines
• Alternative Parents: Secondary alkylarylamines Benzenoids Secondary ketimines Heteroaromatic compounds Azacyclic compounds Organopnictogen compounds Organic chloride salts Hydrocarbon derivatives
• Molecular Framework: Aromatic heteropolycyclic compounds
• Substituents: Benzothiazine - Secondary aliphatic/aromatic amine - Benzenoid - Heteroaromatic compound - Secondary ketimine - Azacycle - Secondary amine - Organic nitrogen compound - Organopnictogen compound - Hydrocarbon derivative - Organic chloride salt - Organic salt - Organonitrogen compound - Amine - Aromatic heteropolycyclic compound
• Description: This compound belongs to the class of organic compounds known as benzothiazines. These are organic compounds containing a benzene fused to a thiazine ring (a six-membered ring with four carbon atoms, one nitrogen atom and one sulfur atom).
• External Descriptors: Not available

Data sources

1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61.

DOI: 10.1186/s13321-016-0174-y

Chemical and Physical Properties

• Melt Point(°C): 190° C (dec.)
• Molecular Weight: 347.900 g/mol
• Hydrogen Bond Donor Count: 2
• Hydrogen Bond Acceptor Count: 4
• Rotatable Bond Count: 3
• Exact Mass: 347.122 Da
• Monoisotopic Mass: 347.122 Da
• Topological Polar Surface Area: 63.700 Ų
• Heavy Atom Count: 23
• Formal Charge: 0
• Complexity: 516.000
• Isotope Atom Count: 0
• Defined Atom Stereocenter Count: 0
• Undefined Atom Stereocenter Count: 0
• Defined Bond Stereocenter Count: 0
• Undefined Bond Stereocenter Count: 0
• The total count of all stereochemical bonds: 0
• Covalently-Bonded Unit Count: 2

XLogP3

References

1. Shuangshou Wang, Jianing Hui, Yangrui Si, Tianyou Geng, Chunyan Yang, Yanshang Kang, Daojin Li, Mingfu Ye, Tingxuan Yan, Caibo Yue.  (2025)  Deep-eutectic solvent coated paper: A reusable multi-purpose device for rapid visualization, adulteration identification, efficient removal and recycling of dyes in both food and environmental samples.  MICROCHEMICAL JOURNAL,      [PMID:] [10.1016/j.microc.2024.112625]

2. Yueyue Zhao, Juanjuan Zhu, Yan Lu, Siqi Zhou, Xinru Chen, Qiong Wang, Mengke Su, Honglin Liu.  (2025)  Ultraelastic Nanomembrane with Controllable Hotspots and Enhanced Photon Recovery for Single-Molecule Surface-Enhanced Raman Scattering.  ANALYTICAL CHEMISTRY,      [PMID:40825113] [10.1021/acs.analchem.5c03494]

3. Muneeb Ur Rahman, Faiqa Nadeem, Muhammad Usman, Muhammad Shahzaib, Hina Ramzan, Nimra Nadeem, Zhiping Zhang, Nadeem Tahir.  (2025)  Enhanced charge transferring through defects-mediated metal‑carbon nanocomposites for efficient dye degradation under visible light.  Journal of Water Process Engineering,      [PMID:] [10.1016/j.jwpe.2025.107225]