Azure B - Biological stain , CAS No.531-55-5

CAS: 531-55-5 Cat. No.: A278781 Peso molecular: 305.83 Beilstein Registry Number: 3922630 Número EC: 208-511-2
Disponible para pedir
GRADE & PURITY Biological Stain ? Biological stain grade — dyes characterized for staining cells and tissues. Use in histology and microscopy where staining consistency matters.
Synonyms
DNDJEIWCTMMZBX-UHFFFAOYSA-N | DTXSID40944111 | A870807 | CHEBI:87639 | KFZNPGQYVZZSNV-UHFFFAOYSA-M | Azure B, prepared by direct synthesis | CCRIS 9314 | 7C8BEL8WQV | AKOS005287416 | N-methyl-N-(7-(methylamino)-3H-phenothiazin-3-ylidene)methanaminiumchlor
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Estado
Price
Qty
5g
A278781-5g
1
19,90US$
25g
A278781-25g
2

39,90US$

59,90US$
Guardar 20,00 US$ (33.39%)
100g
A278781-100g
2
129,90US$
Enter a quantity for the sizes you want to add.
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Why this grade

Biological stain Biological Stain for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Room temperature Ships Normal Check lot-specific COA for exact specifications.

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Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

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Literature proof

Cited in 16 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Descripción general

All kinds of mixtures formed by oxidation of methylene blue, mainly azure A and B, are blue in aqueous solution, slightly soluble in ethanol and show reddish-brown fluorescence, and are used for biological dyeing.

Specifications

Sinónimos
DNDJEIWCTMMZBX-UHFFFAOYSA-N | DTXSID40944111 | A870807 | CHEBI:87639 | KFZNPGQYVZZSNV-UHFFFAOYSA-M | Azure B, prepared by direct synthesis | CCRIS 9314 | 7C8BEL8WQV | AKOS005287416 | N-methyl-N-(7-(methylamino)-3H-phenothiazin-3-ylidene)methanaminiumchlor
Especificaciones y pureza
Biological stain
Mecanismos bioquímicos y fisiológicos
Azurite b is a cationic dye. It is part of Romanowsky stain for blood membrane staining. It can also be used for nucleic acid localization.
Condiciones de almacenamiento de almacenamiento
Room temperature
Enviado en
Normal
Grado
Biological Stain
Nombres e identificadores
Sonrisas canónicasCNC1=CC2=C(C=C1)N=C3C=CC(=[N+](C)C)C=C3S2.[Cl-]
IUPAC Namedimethyl-[7-(methylamino)phenothiazin-3-ylidene]azanium;chloride
InChIKeyDNDJEIWCTMMZBX-UHFFFAOYSA-N
INCHI1S/C15H15N3S.ClH/c1-16-10-4-6-12-14(8-10)19-15-9-11(18(2)3)5-7-13(15)17-12;/h4-9H,1-3H3;1H
Isómeros SMILES CNC1=CC2=C(C=C1)N=C3C=CC(=[N+](C)C)C=C3S2.[Cl-]
WGK Alemania 3
RTECS SO5550000
Peso molecular 305.83
Beilstein 3922630
Reaxy-Rn 3922630
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=3922630&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganoheterocyclic compounds
ClaseBenzothiazines
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentBenzothiazines
Alternative Parents Secondary alkylarylamines  Benzenoids  Secondary ketimines  Heteroaromatic compounds  Azacyclic compounds  Organopnictogen compounds  Organic chloride salts  Hydrocarbon derivatives  
Molecular FrameworkAromatic 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
DescripciónThis 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
Estructura 3D
Modelo de Estructura Química Interactiva





Certificados (CoA, COO, BSE/TSE y tabla de análisis)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

17 results found

Lot NumberCertificate TypeFechaArticulo
J2521369Certificate of AnalysisOct 13, 2025 A278781
J2521367Certificate of AnalysisOct 13, 2025 A278781
J2521368Certificate of AnalysisOct 13, 2025 A278781
E2627047Certificate of AnalysisJun 13, 2025 A278781
F2519446Certificate of AnalysisJun 13, 2025 A278781
F2519453Certificate of AnalysisJun 13, 2025 A278781
F2519454Certificate of AnalysisJun 13, 2025 A278781
F2519455Certificate of AnalysisJun 13, 2025 A278781
L2420013Certificate of AnalysisDec 05, 2024 A278781
L2416345Certificate of AnalysisDec 05, 2024 A278781
K2230473Certificate of AnalysisNov 03, 2022 A278781
K2230486Certificate of AnalysisNov 03, 2022 A278781
K2230487Certificate of AnalysisNov 03, 2022 A278781
E2421076Certificate of AnalysisNov 03, 2022 A278781
J2316017Certificate of AnalysisMar 30, 2021 A278781
K2210216Certificate of AnalysisMar 30, 2021 A278781
C2426037Certificate of AnalysisMar 30, 2021 A278781

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Propiedades químicas y físicas
SolubilidadSoluble in 1 mg/ml water. Sparingly soluble in alcohol.
SensibilidadMoisture sensitive.
Punto de fusión (°C)205 °C
Peso molecular305.800 g/mol
XLogP3
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count4
Rotatable Bond Count1
Exact Mass305.075 Da
Monoisotopic Mass305.075 Da
Topological Polar Surface Area52.700 Ų
Heavy Atom Count20
Formal Charge0
Complexity498.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count2
Preguntas frecuentes y artículos
Citations of This Product
Referencias
1. Ze-Lin Qiu, Wen-Han Yu, Wu-Shang Yang, Tong Sun, Zi-Hao Zhao, Qian-Wei Su, Bao-Ku Zhu.  (2023)  Ionic Hyperbranched Poly(amido-amine)-Incorporated Nanofiltration Membranes for High-Efficiency Dye Desalination.  LANGMUIR,      [PMID:38154048] [10.1021/acs.langmuir.3c03119]
2. Mao Xu, Qi Tang, Yuchen Liu, Jiaqi Shi, Weiyu Zhang, Chan Guo, Qiuwen Liu, Weiwei Lei, Cheng Chen.  (2023)  Charged Boron Nitride Nanosheet Membranes for Improved Organic Solvent Nanofiltration.  ACS Applied Materials & Interfaces,      [PMID:36820819] [10.1021/acsami.2c20893]
3. Guitu Wang, Jingyu Lu, Chuanjie Fang, Wenzhang Fang, Xinsheng Peng, Hongbo Zeng, Liping Zhu.  (2022)  Ultrathin metal–organic framework nanosheets as building blocks of lamellar nanofilms for ultrafast molecular sieving.  Nanoscale,  14  (47): (17670-17680).  [PMID:36416307] [10.1039/D2NR05229F]
4. Hukang Guo, Xiaoyi Xu, Jiaqi Li, Weilin Feng, Mengxiao Zhang, Chuanjie Fang, Liping Zhu.  (2022)  Chemically tailored microporous nanocomposite membranes with multi-channels for intensified solvent permeation.  JOURNAL OF MEMBRANE SCIENCE,      [PMID:] [10.1016/j.memsci.2022.120877]
5. Weilin Feng, Jiaqi Li, Chuanjie Fang, Lin Zhang, Liping Zhu.  (2021)  Controllable thermal annealing of polyimide membranes for highly-precise organic solvent nanofiltration.  JOURNAL OF MEMBRANE SCIENCE,      [PMID:] [10.1016/j.memsci.2021.120013]
6. Yang Jin, Cao Yan, Zhang Naidong.  (2020)  Color-mixing effects of photosensitive organic dyes initiated by superoxide anion radicals under visible-light irradiation.  Environmental Chemistry Letters,  18  (6): (2127-2132).  [PMID:] [10.1007/s10311-020-01043-4]
7. Hua Shu, Guoning Chen, Lu Wang, Xia Cui, Qun Wang, Wen Li, Chun Chang, Qi Guo, Zhimin Luo, Qiang Fu.  (2020)  Adenine-coated magnetic multiwalled carbon nanotubes for the selective extraction of aristolochic acids based on multiple interactions.  JOURNAL OF CHROMATOGRAPHY A,      [PMID:32823094] [10.1016/j.chroma.2020.461382]
8. Jin Yang, Yan Cao, Naidong Zhang.  (2020)  Spectrophotometric method for superoxide anion radical detection in a visible light (400–780 nm) system.  SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY,      [PMID:32502811] [10.1016/j.saa.2020.118556]
9. Jiaqi Li, Mengxiao Zhang, Weilin Feng, Liping Zhu, Lin Zhang.  (2020)  PIM-1 pore-filled thin film composite membranes for tunable organic solvent nanofiltration.  JOURNAL OF MEMBRANE SCIENCE,      [PMID:] [10.1016/j.memsci.2020.117951]
10. Ming-Yong Zhou, Li-Feng Fang, Chuang-Chao Sun, Chun-Er Lin, Bao-Ku Zhu, Jiang-Hua Chen.  (2018)  Pore size tailoring from ultrafiltration to nanofiltration with PVC-g-PDMA via rapid immersion thermal annealing.  JOURNAL OF MEMBRANE SCIENCE,      [PMID:] [10.1016/j.memsci.2018.10.060]
11. Zhang Pei-Bin, Tang An-Qi, Wang Zhang-Hui, Lu Jing-Yu, Zhu Bao-Ku, Zhu Li-Ping.  (2018)  Tough poly(L-DOPA)-containing Double Network Hydrogel Beads with High Capacity of Dye Adsorption.  CHINESE JOURNAL OF POLYMER SCIENCE,  36  (11): (1251-1261).  [PMID:] [10.1007/s10118-018-2163-2]
12. Zhanfang Cao, Yajun Yue, Hong Zhong, Pei Qiu, Pei Chen, Xin Wen, Shuai Wang, Guangyi Liu.  (2016)  The cationic dye removal by novel SiZn composites prepared from zinc ash.  Journal of the Taiwan Institute of Chemical Engineers,      [PMID:] [10.1016/j.jtice.2016.12.005]
13. Wei Tang, Xinyue Wang, Shuqi Guo, Jinxin Huan, Haojie Qian, Caoxing Huang, Yucai He.  (2024)  Demonstrating the synergistic impact of sodium lignosulfonate in dilute acid pretreatment and enzymatic hydrolysis of poplar sawdust.  FUEL,      [PMID:] [10.1016/j.fuel.2024.134214]
14. Shuang Guo, Chuanjie Fang, Jiaqi Li, Yongbing Zhuang, Liping Zhu.  (2024)  Intrinsically microporous polyimide membranes with synergistic aromatic and alicyclic linking groups for efficient molecular separation.  SEPARATION AND PURIFICATION TECHNOLOGY,      [PMID:] [10.1016/j.seppur.2024.127530]
15. Fupeng Li, Jiaqi Li, Hukang Guo, Weilin Feng, Jianyu Wang, Chuanjie Fang, Liping Zhu.  (2024)  Ultramicroporous cardo-pendant polyamide nanofilms for enhanced organic solvent nanofiltration.  JOURNAL OF MEMBRANE SCIENCE,      [PMID:] [10.1016/j.memsci.2024.122879]
16. Xiaoqin Yan, Yan Wang, Changjie Chen, Chaoyue Yang, Xiaoqian Luo, Chuanjie Fang, Shuai Wang.  (2025)  The heat treatment of mixed matrix membranes induced by 2D nanosheets for improved nanofiltration.  DESALINATION,      [PMID:] [10.1016/j.desal.2025.119763]
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