Ethyl orange - indicator , CAS No.62758-12-7

CAS: 62758-12-7 Cat. No.: E121941 Summenformel: C16H18N3NaO3S Molekulargewicht: 355.39 EG-Nummer: 263-716-4
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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
MFCD00007503 | Benzenesulfonic acid, 4-((4-(diethylamino)phenyl)azo)-, sodium salt | FT-0626355 | AKOS015915367 | Ethyl Orange sodium salt, indicator grade, Dye content 90 % | sodium (E)-4-((4-(diethylamino)phenyl)diazenyl)benzenesulfonate | 1514898-46-4
Storage
Room temperature
Shipped In
Normal
Size
Deutschland (EU)
USA*
Price
Qty
5g
E121941-5g
Auf Bestellung · 8–12 Wochen
14,66€
10g
E121941-10g
1 Auf Lager
22,47€
25g
E121941-25g
5 Auf Lager
43,30€
100g
E121941-100g
Auf Bestellung · 8–12 Wochen
138,75€
Enter a quantity for the sizes you want to add.
🧪

Why this grade

indicator Indikator 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 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Übersicht

Transition interval(pH):3.0(red) to 4.8(orange)

Specifications

Synonyme
MFCD00007503 | Benzenesulfonic acid, 4-((4-(diethylamino)phenyl)azo)-, sodium salt | FT-0626355 | AKOS015915367 | Ethyl Orange sodium salt, indicator grade, Dye content 90 % | sodium (E)-4-((4-(diethylamino)phenyl)diazenyl)benzenesulfonate | 1514898-46-4
Spezifikationen & Reinheit
indicator
Storage
Room temperature
Verschickt in
Normal
Note
Indikator
Namen und Kennungen
Pubchem Sid488200488
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488200488
Kanonisches LächelnCCN(CC)C1=CC=C(C=C1)N=NC2=CC=C(C=C2)S(=O)(=O)[O-].[Na+]
IUPAC Namesodium;4-[[4-(diethylamino)phenyl]diazenyl]benzenesulfonate
InChIKeyYZORUOZKRBVLEG-UHFFFAOYSA-M
INCHI1S/C16H19N3O3S.Na/c1-3-19(4-2)15-9-5-13(6-10-15)17-18-14-7-11-16(12-8-14)23(20,21)22;/h5-12H,3-4H2,1-2H3,(H,20,21,22);/q;+1/p-1
Isomere SMILES CCN(CC)C1=CC=C(C=C1)N=NC2=CC=C(C=C2)S(=O)(=O)[O-].[Na+]
Molekulargewicht 355.39
Reaxy-Rn 3821641
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=3821641&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
KlasseAzobenzenes
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentAzobenzenes
Alternative Parents Benzenesulfonic acids and derivatives  Benzenesulfonyl compounds  1-sulfo,2-unsubstituted aromatic compounds  Dialkylarylamines  Aniline and substituted anilines  Sulfonyls  Organosulfonic acids  Azo compounds  Propargyl-type 1,3-dipolar organic compounds  Organic zwitterions  Organic sodium salts  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Azobenzene - Benzenesulfonate - Arylsulfonic acid or derivatives - 1-sulfo,2-unsubstituted aromatic compound - Benzenesulfonyl group - Tertiary aliphatic/aromatic amine - Dialkylarylamine - Aniline or substituted anilines - Benzenoid - Monocyclic benzene moiety - Organic sulfonic acid or derivatives - Organosulfonic acid or derivatives - Organosulfonic acid - Sulfonyl - Azo compound - Tertiary amine - Organic alkali metal salt - Organic 1,3-dipolar compound - Propargyl-type 1,3-dipolar organic compound - Organic sodium salt - Amine - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organosulfur compound - Organonitrogen compound - Organic zwitterion - Organic salt - Organic nitrogen compound - Aromatic homomonocyclic compound
BeschreibungThis 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-Struktur
Interaktives chemisches Strukturmodell





Zertifikate (CoA, COO, BSE/TSE und Analyse-Diagramm)
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.

7 results found

Lot NumberCertificate TypeDatumArtikel
L2201287Certificate of AnalysisSep 01, 2026 E121941
L2201654Certificate of AnalysisSep 01, 2026 E121941
I1712043Certificate of AnalysisApr 09, 2025 E121941
J1618026Certificate of AnalysisJun 13, 2024 E121941
A2402572Certificate of AnalysisNov 23, 2023 E121941
A2402575Certificate of AnalysisNov 23, 2023 E121941
H2219136Certificate of AnalysisAug 31, 2022 E121941
Chemische und physikalische Eigenschaften
Molekulargewicht355.400 g/mol
XLogP3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count6
Rotatable Bond Count6
Exact Mass355.097 Da
Monoisotopic Mass355.097 Da
Topological Polar Surface Area93.500 Ų
Heavy Atom Count24
Formal Charge0
Complexity475.000
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
FAQs und Artikel
Lösungsrechner
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