Alizarin yellow GG - indicator , CAS No.584-42-9

CAS: 584-42-9 Cat. No.: A100213 Molecular Weight: 309.21 EC Number: 209-536-1 PubChem CID: 135442953
AVAILABLE TO ORDER
GRADE & PURITY Indicator ? Indicator grade — characterized dye giving a defined color change at a known transition. Use to signal pH or titration endpoints visually.
Synonyms
A0123 | DTXSID8060402 | MFCD00044746 | AMY22366 | X-0950 | A0096 | Alizarine Yellow AGP | Showa Chrome Yellow GG | Hispacrom Yellow 2GR | Pontachrome Yellow GS | Calcochrome Yellow 2G | Y1YL31LOKF | Alizarine Yellow 2G | RV 1 | Alizarine Yellow GG | Sodiu
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
25g
A100213-25g
3
$11.90
100g
A100213-100g
1
$24.90
500g
A100213-500g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$60.90
Enter a quantity for the sizes you want to add.
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Why this grade

indicator Indicator for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature 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

A useful acid-base indicator for nutrient media.

Specifications

Synonyms
A0123 | DTXSID8060402 | MFCD00044746 | AMY22366 | X-0950 | A0096 | Alizarine Yellow AGP | Showa Chrome Yellow GG | Hispacrom Yellow 2GR | Pontachrome Yellow GS | Calcochrome Yellow 2G | Y1YL31LOKF | Alizarine Yellow 2G | RV 1 | Alizarine Yellow GG | Sodiu
Specifications & Purity
indicator
Biochemical and Physiological Mechanisms
Alizarin Yellow GG is a useful acid base indicator with a dye content of 50% and a color index number of 14025, commonly used in nutrient media preparation. Studies indicate that removal of the dye is pH dependent and can be withdrawn from aqueous solutio
Storage
Room temperature
Shipped In
Normal
Grade
Indicator
Names and Identifiers
Pubchem Sid488202904
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488202904
Canonical SmilesC1=CC(=CC(=C1)[N+](=O)[O-])N=NC2=CC(=C(C=C2)[O-])C(=O)O.[Na+]
IUPAC Namesodium;2-carboxy-4-[(3-nitrophenyl)diazenyl]phenolate
InChIKeyZHFPEICFUVWJIS-UHFFFAOYSA-M
INCHI1S/C13H9N3O5.Na/c17-12-5-4-9(7-11(12)13(18)19)15-14-8-2-1-3-10(6-8)16(20)21;/h1-7,17H,(H,18,19);/q;+1/p-1
Isomeric SMILES C1=CC(=CC(=C1)[N+](=O)[O-])N=NC2=CC(=C(C=C2)[O-])C(=O)O.[Na+]
PubChem CID 135442953
Molecular Weight 309.21

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
ClassAzobenzenes
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentAzobenzenes
Alternative Parents Nitrobenzenes  Benzoic acids  Nitroaromatic compounds  Benzoyl derivatives  Phenoxides  Vinylogous acids  Azo compounds  Propargyl-type 1,3-dipolar organic compounds  Organic oxoazanium compounds  Carboxylic acids  Organooxygen compounds  Organic zwitterions  Organic sodium salts  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Azobenzene - Benzoic acid or derivatives - Benzoic acid - Nitrobenzene - Nitroaromatic compound - Benzoyl - Phenoxide - Monocyclic benzene moiety - Benzenoid - Vinylogous acid - Azo compound - Organic nitro compound - C-nitro compound - Allyl-type 1,3-dipolar organic compound - Carboxylic acid - Propargyl-type 1,3-dipolar organic compound - Organic 1,3-dipolar compound - Carboxylic acid derivative - Organic alkali metal salt - Organic oxoazanium - Organic nitrogen compound - Organonitrogen compound - Organooxygen compound - Organic zwitterion - Organic salt - Organic sodium salt - Hydrocarbon derivative - Organic oxide - Organic oxygen compound - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as azobenzenes. These are organonitrogen aromatic compounds that contain a central azo group, where each nitrogen atom is conjugated to a benzene ring.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





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.

9 results found

Lot NumberCertificate TypeDateItem
I2116022Certificate of AnalysisJun 11, 2025 A100213
C2308619Certificate of AnalysisFeb 11, 2025 A100213
C2616094Certificate of AnalysisApr 01, 2023 A100213
E2306128Certificate of AnalysisApr 01, 2023 A100213
E2306131Certificate of AnalysisApr 01, 2023 A100213
E2306133Certificate of AnalysisApr 01, 2023 A100213
D2524410Certificate of AnalysisSep 23, 2021 A100213
I2116020Certificate of AnalysisSep 23, 2021 A100213
B2321225Certificate of AnalysisAug 23, 2021 A100213
Chemical and Physical Properties
SolubilitySoluble in water (12 mg/ml at 25 °C).
Molecular Weight309.210 g/mol
XLogP3
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count7
Rotatable Bond Count3
Exact Mass309.036 Da
Monoisotopic Mass309.036 Da
Topological Polar Surface Area131.000 Ų
Heavy Atom Count22
Formal Charge0
Complexity423.000
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
Documents & Articles
Citations of This Product
References
1. Han-Qing Zhao, Nannan Hou, Yi-Ran Wang, Wen-Qiang Li, Qi Liu, Peili Lu, Yang Mu.  (2022)  Carbon nanotubes mediated chemical and biological decolorization of azo dye: Understanding the structure-activity relationship.  ENVIRONMENTAL RESEARCH,      [PMID:35151661] [10.1016/j.envres.2022.112897]
2. Yanqing Xu, Suyang Yu, Guibin Peng, Arcadio Sotto, Huimin Ruan, Jiangnan Shen, Congjie Gao.  (2020)  Novel crosslinked brominated polyphenylene oxide composite nanofiltration membranes with organic solvent permeability and swelling property.  JOURNAL OF MEMBRANE SCIENCE,      [PMID:] [10.1016/j.memsci.2020.118784]
3. Siqi Liu, Xiaolin Xu, Yanshun Kang, Yingtian Xiao, Huan Liu.  (2020)  Degradation and detoxification of azo dyes with recombinant ligninolytic enzymes from Aspergillus sp. with secretory overexpression in Pichia pastoris.  Royal Society Open Science,  (9):   [PMID:33047030] [10.1098/rsos.200688]
Solution Calculators
Reviews

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