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· · COA & SDS available for every product · Same-day shipping on in-stock items Methyl Purple - in H2O , CAS No.1340-02-9
GRADE & PURITY in H2O
Synonyms
Methyl purple | 8-Hydroxy-11-methyldibenz(b,e)(1,4)oxazepin-2(11H)one | J-006464
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Why this grade in H2O 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 2 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Overview Methyl Purple is Methyl Purple indicator solution in H|2|O.
Specifications Synonyms
Methyl purple | 8-Hydroxy-11-methyldibenz(b,e)(1,4)oxazepin-2(11H)one | J-006464
Specifications & Purity
in H2O
Biochemical and Physiological Mechanisms
Methyl violet is a green powder. The color changes from purple (pH 4.8) to green (pH 5.4). Methyl violet acts as an antibacterial. In addition, it is helpful for the detection of lactic acid bacteria and the determination of iron in human hair.
Names and Identifiers Pubchem Sid Url
https://pubchem.ncbi.nlm.nih.gov/substance/504769310
PH
4.8-5.4, violet to green
Canonical Smiles
CCN(CC1=CC(=CC=C1)S(=O)(=O)[O-])C2=CC=C(C=C2)C(=C3C=CC(=[N+](CC)CC4=CC(=CC=C4)S(=O)(=O)[O-])C=C3)C5=C(C=C(C=C5)O)S(=O)(=O)[O-].CN(C)C1=CC=C(C=C1)N=NC2=CC=CC=C2C(=O)[O-].CN(C)C1=CC=C(C=C1)N=NC2=CC=CC=C2C(=O)[O-].[Na+].[Na+].[Na+].[Na+]
IUPAC Name
tetrasodium;2-[[4-(dimethylamino)phenyl]diazenyl]benzoate;2-[[4-[ethyl-[(3-sulfonatophenyl)methyl]amino]phenyl]-[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]cyclohexa-2,5-dien-1-ylidene]methyl]-5-hydroxybenzenesulfonate
InChIKey
CNJVTYXLOYTWPD-UHFFFAOYSA-J
INCHI
1S/C37H36N2O10S3.2C15H15N3O2.4Na/c1-3-38(24-26-7-5-9-33(21-26)50(41,42)43)30-15-11-28(12-16-30)37(35-20-19-32(40)23-36(35)52(47,48)49)29-13-17-31(18-14-29)39(4-2)25-27-8-6-10-34(22-27)51(44,45)46;2*1-18(2)12-9-7-11(8-10-12)16-17-14-6-4-3-5-13(14)15(19)20;;;;/h5-23H,3-4,24-25H2,1-2H3,(H3,41,42,43,44,45,46,47,48,49);2*3-10H,1-2H3,(H,19,20);;;;/q;;;4*+1/p-4
Isomeric SMILES
CCN(CC1=CC(=CC=C1)S(=O)(=O)[O-])C2=CC=C(C=C2)C(=C3C=CC(=[N+](CC)CC4=CC(=CC=C4)S(=O)(=O)[O-])C=C3)C5=C(C=C(C=C5)O)S(=O)(=O)[O-].CN(C)C1=CC=C(C=C1)N=NC2=CC=CC=C2C(=O)[O-].CN(C)C1=CC=C(C=C1)N=NC2=CC=CC=C2C(=O)[O-].[Na+].[Na+].[Na+].[Na+]
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 3D Structure Certificates（CoA,COO,BSE/TSE and Analysis Chart) Chemical and Physical Properties Solubility Soluble in water (fully). x_boil_point_char 100.0° C x_melt_point_char 0.0° C
Citations of This Product Solution Calculators Molarity Calculator Determine the necessary mass, volume, or concentration for preparing a solution.
Dilution Calculator Determine the dilution needed to prepare a stock solution.
Reconstitution Calculator Reviews
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