Thionin acetate - Dye content 85 % , CAS No.78338-22-4

CAS: 78338-22-4 Cat. No.: T304644 Molecular Weight: 287.34 EC Number: 676-854-9 PubChem CID: 2724414
AVAILABLE TO ORDER
GRADE & PURITY Dye content 85 %
Synonyms
Thioninacetat | Thionin acetate (Thionine acetate) | Thionin acetate salt, certified by the Biological Stain Commission, Dye content >=85 % | AKOS015894698 | 3,7-diamino-5lambda4-phenothiazin-5-ylium acetate | Thionin acetate salt, certified by the Biolog
Storage
Room temperature,Desiccated
Shipped In
Normal
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Size
Status
Price
Qty
1g
T304644-1g
3

$24.90

$37.90
Save $13.00 (34.30%)
5g
T304644-5g
2

$94.90

$142.90
Save $48.00 (33.59%)
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Why this grade

Dye content 85 % for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

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

📋

Quality documents

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

📚

Literature proof

Cited in 3 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

Application:

Thionin acetate is a strongly staining metachromatic dye that is widely used for biological staining. Thionine can also be used in place of Schiff reagent in quantitative Feulgen staining of DNA. It can also be used to mediate electron transfer in microbial fuel cells. It is also employed as a general nuclear stain for chromatin and mucin; for staining Nissl granules by end-point buffering and for showing malignant cells in frozen biopsy sections; and as a stain for semi-thin sections of plant material for light microscopy.

Specifications

Synonyms
Thioninacetat | Thionin acetate (Thionine acetate) | Thionin acetate salt, certified by the Biological Stain Commission, Dye content >=85 % | AKOS015894698 | 3, 7-diamino-5lambda4-phenothiazin-5-ylium acetate | Thionin acetate salt, certified by the Biolog
Specifications & Purity
Dye content 85 %
Biochemical and Physiological Mechanisms
Thionine is a kind of heterochromatic CATIONIC dye. It is widely used in biological staining, especially in histology.
Storage
Room temperature, Desiccated
Shipped In
Normal
Names and Identifiers
Pubchem Sid488192273
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488192273
Canonical SmilesCC(=O)[O-].C1=CC2=C(C=C1N)SC3=CC(=[NH2+])C=CC3=N2
IUPAC Name(7-aminophenothiazin-3-ylidene)azanium;acetate
InChIKeyJOIRQYHDJINFGA-UHFFFAOYSA-N
INCHI1S/C12H9N3S.C2H4O2/c13-7-1-3-9-11(5-7)16-12-6-8(14)2-4-10(12)15-9;1-2(3)4/h1-6,13H,14H2;1H3,(H,3,4)
Isomeric SMILES CC(=O)[O-].C1=CC2=C(C=C1N)SC3=CC(=[NH2+])C=CC3=N2
PubChem CID 2724414
Molecular Weight 287.34

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
ClassBenzothiazines
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentBenzothiazines
Alternative Parents Benzenoids  Heteroaromatic compounds  Monocarboxylic acids and derivatives  Carboxylic acids  Azacyclic compounds  Primary amines  Organopnictogen compounds  Organic salts  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkNot available
Substituents Benzothiazine - Benzenoid - Heteroaromatic compound - Carboxylic acid derivative - Carboxylic acid - Monocarboxylic acid or derivatives - Azacycle - Organic salt - Organic oxygen compound - Primary amine - Organooxygen compound - Organonitrogen compound - Organic nitrogen compound - Amine - Carbonyl group - Organopnictogen compound - Hydrocarbon derivative - Organic oxide - Aromatic heteropolycyclic compound
DescriptionThis 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
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
Huh-7 (12904 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mechanisms of Action
Certificates(CoA,COO,BSE/TSE and Analysis Chart)
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.

25 results found

Lot NumberCertificate TypeDateItem
D2621426Certificate of AnalysisMar 14, 2026 T304644
D2621427Certificate of AnalysisMar 14, 2026 T304644
C2310463Certificate of AnalysisDec 10, 2025 T304644
C2310485Certificate of AnalysisDec 10, 2025 T304644
D2525394Certificate of AnalysisApr 08, 2025 T304644
E2509525Certificate of AnalysisApr 08, 2025 T304644
B2508418Certificate of AnalysisJan 09, 2025 T304644
F2429158Certificate of AnalysisJun 21, 2024 T304644
F2429151Certificate of AnalysisJun 21, 2024 T304644
E2413522Certificate of AnalysisApr 29, 2024 T304644
E2414002Certificate of AnalysisApr 29, 2024 T304644
J2310390Certificate of AnalysisSep 13, 2023 T304644
J2310389Certificate of AnalysisSep 13, 2023 T304644
H2330640Certificate of AnalysisAug 18, 2023 T304644
H2330638Certificate of AnalysisAug 18, 2023 T304644
H2330639Certificate of AnalysisAug 18, 2023 T304644
C2310564Certificate of AnalysisDec 22, 2022 T304644
C2310482Certificate of AnalysisDec 22, 2022 T304644
K2228666Certificate of AnalysisOct 14, 2022 T304644
K2228665Certificate of AnalysisOct 14, 2022 T304644
E23161130Certificate of AnalysisOct 14, 2022 T304644
G2228207Certificate of AnalysisJun 16, 2022 T304644
G2228205Certificate of AnalysisJun 16, 2022 T304644
C2205043Certificate of AnalysisFeb 19, 2022 T304644
C2205042Certificate of AnalysisFeb 19, 2022 T304644

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Chemical and Physical Properties
SolubilitySoluble in water (~2.5 mg/ml at 25°C), and HOAc: H2O (1:1) (1 mg/ml). Insoluble in ethanol.
Molecular Weight287.340 g/mol
XLogP3
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count5
Rotatable Bond Count0
Exact Mass287.073 Da
Monoisotopic Mass287.073 Da
Topological Polar Surface Area129.000 Ų
Heavy Atom Count20
Formal Charge0
Complexity414.000
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
Citations of This Product
References
1. Yana Chen, Shuangling Wang, Jujie Ren, Haiyan Zhao, Min Cui, Na Li, Meng Li, Cong Zhang.  (2022)  Electrocatalysis of Copper Sulfide Nanoparticle-Engineered Covalent Organic Frameworks for Ratiometric Electrochemical Detection of Amyloid-β Oligomer.  ANALYTICAL CHEMISTRY,      [PMID:35920591] [10.1021/acs.analchem.2c01602]
2. Huawei Yang, Liangjiu Bai, Donglei Wei, Lixia Yang, Wenxiang Wang, Hou Chen, Yuzhong Niu, Zhongxin Xue.  (2018)  Ionic self-assembly of poly(ionic liquid)-polyoxometalate hybrids for selective adsorption of anionic dyes.  CHEMICAL ENGINEERING JOURNAL,      [PMID:] [10.1016/j.cej.2018.10.100]
3. Xinming Wang, Yiming Zhong, Bei Qian, Shixing Huang, Qiang Long, Haonan Zhang, Qiang Zhao, Xiaofeng Ye.  (2025)  Self-assembled extracellular matrix-lipid nanoparticle composite for site-specific siRNA delivery to improve cardiac repair post-myocardial infarction.  Materials Today Bio,      [PMID:40893381] [10.1016/j.mtbio.2025.102205]
Solution Calculators
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