Fat Brown B , CAS No.6535-42-8

CAS: 6535-42-8 Cat. No.: F336318 Molecular Weight: 292.33 EC Number: 229-439-8
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Synonyms
4-[(4-ethoxyphenyl)diazenyl]-alpha-naphthol | C.I. Solvent Red 3 | 1-Naphthalenol, 4-((4-ethoxyphenyl)azo)- | 4-((4-Ethoxyphenyl)diazenyl)naphthalen-1-ol | XNW2E18207 | AKOS003416718 | CHEBI:74125 | 1-Naphthalenol, 4-[(4-ethoxyphenyl)azo]- | Dimethyl dica
Storage
Room temperature
Shipped In
Normal
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Price
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25g
F336318-25g
2
$70.90
100g
F336318-100g
2
$195.90
500g
F336318-500g
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$685.90
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Why this grade

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

Specifications

Synonyms
4-[(4-ethoxyphenyl)diazenyl]-alpha-naphthol | C.I. Solvent Red 3 | 1-Naphthalenol, 4-((4-ethoxyphenyl)azo)- | 4-((4-Ethoxyphenyl)diazenyl)naphthalen-1-ol | XNW2E18207 | AKOS003416718 | CHEBI:74125 | 1-Naphthalenol, 4-[(4-ethoxyphenyl)azo]- | Dimethyl dica
Storage
Room temperature
Shipped In
Normal
Names and Identifiers
Canonical SmilesCCOC1=CC=C(C=C1)N=NC2=CC=C(C3=CC=CC=C32)O
IUPAC Name4-[(4-ethoxyphenyl)diazenyl]naphthalen-1-ol
InChIKeyJSEYDVLGSMLKDL-UHFFFAOYSA-N
INCHI1S/C18H16N2O2/c1-2-22-14-9-7-13(8-10-14)19-20-17-11-12-18(21)16-6-4-3-5-15(16)17/h3-12,21H,2H2,1H3
Isomeric SMILES CCOC1=CC=C(C=C1)N=NC2=CC=C(C3=CC=CC=C32)O
Molecular Weight 292.33
Reaxy-Rn 1843392
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1843392&ln=

Documentation

📋 Safety Data Sheet (SDS)

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

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✅ Certificate of Analysis (COA)

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

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📊 Datasheet

Quick-reference summary of product specifications and applications.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

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Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassBenzenoids
ClassNaphthalenes
SubclassNaphthols and derivatives
Intermediate Tree Nodes Not available
Direct ParentNaphthols and derivatives
Alternative Parents Phenoxy compounds  Phenol ethers  Alkyl aryl ethers  1-hydroxy-2-unsubstituted benzenoids  Azo compounds  Propargyl-type 1,3-dipolar organic compounds  Organopnictogen compounds  Hydrocarbon derivatives  
Molecular FrameworkAromatic homopolycyclic compounds
Substituents 1-naphthol - Phenoxy compound - Phenol ether - 1-hydroxy-2-unsubstituted benzenoid - Alkyl aryl ether - Monocyclic benzene moiety - Azo compound - Organic 1,3-dipolar compound - Propargyl-type 1,3-dipolar organic compound - Ether - Organic nitrogen compound - Organic oxygen compound - Organopnictogen compound - Hydrocarbon derivative - Organooxygen compound - Organonitrogen compound - Aromatic homopolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as naphthols and derivatives. These are naphthalene derivatives carrying one or more hydroxyl (-OH) groups at any ring position.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





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.

4 results found

Lot NumberCertificate TypeDateItem
K2317248Certificate of AnalysisOct 20, 2023 F336318
K2317249Certificate of AnalysisOct 20, 2023 F336318
K2317250Certificate of AnalysisOct 20, 2023 F336318
K2317251Certificate of AnalysisOct 20, 2023 F336318
Chemical and Physical Properties
Melt Point(°C)152-155° C
Molecular Weight292.300 g/mol
XLogP34.900
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count4
Rotatable Bond Count4
Exact Mass292.121 Da
Monoisotopic Mass292.121 Da
Topological Polar Surface Area54.200 Ų
Heavy Atom Count22
Formal Charge0
Complexity366.000
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 Count1
Solution Calculators
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