Chromotrope 2B - ≥85% , CAS No.548-80-1

CAS: 548-80-1 Cat. No.: C396554 Peso molecular: 513.37 Beilstein Registry Number: 4109733 Número EC: 208-959-9
Disponible para pedir
GRADE & PURITY ≥85%
Synonyms
2,7-NAPHTHALENEDISULFONIC ACID, 4,5-DIHYDROXY-3-(P-NITROPHENYLAZO)-, DISODIUM SALT | Acid Red 176 | C.I. Acid Red 176 (VAN) | Disodium 4,5-dihydroxy-3-(p-nitrophenylazo)naphthalene-2,7-disulphonate | disodium 3-[(4-nitrophenyl)hydrazinylidene]-5-oxidanyl-
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Estado
Price
Qty
5g
C396554-5g
2
39,90US$
25g
C396554-25g
1
159,90US$
100g
C396554-100g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.

333,90US$

433,90US$
Guardar 100,00 US$ (23.05%)
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Why this grade

≥85% 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

Sinónimos
2, 7-NAPHTHALENEDISULFONIC ACID, 4, 5-DIHYDROXY-3-(P-NITROPHENYLAZO)-, DISODIUM SALT | Acid Red 176 | C.I. Acid Red 176 (VAN) | Disodium 4, 5-dihydroxy-3-(p-nitrophenylazo)naphthalene-2, 7-disulphonate | disodium 3-[(4-nitrophenyl)hydrazinylidene]-5-oxidanyl-
Especificaciones y pureza
≥85%
Condiciones de almacenamiento de almacenamiento
Room temperature
Enviado en
Normal
Pureza
≥85%
Nombres e identificadores
Sonrisas canónicasC1=CC(=CC=C1N=NC2=C(C3=C(C=C(C=C3C=C2S(=O)(=O)[O-])S(=O)(=O)[O-])O)O)[N+](=O)[O-].[Na+].[Na+]
IUPAC Namedisodium;4,5-dihydroxy-3-[(4-nitrophenyl)diazenyl]naphthalene-2,7-disulfonate
InChIKeyAXUUHWJXDWBCSG-UHFFFAOYSA-L
INCHI1S/C16H11N3O10S2.2Na/c20-12-7-11(30(24,25)26)5-8-6-13(31(27,28)29)15(16(21)14(8)12)18-17-9-1-3-10(4-2-9)19(22)23;;/h1-7,20-21H,(H,24,25,26)(H,27,28,29);;/q;2*+1/p-2
Isómeros SMILES C1=CC(=CC=C1N=NC2=C(C3=C(C=C(C=C3C=C2S(=O)(=O)[O-])S(=O)(=O)[O-])O)O)[N+](=O)[O-].[Na+].[Na+]
WGK Alemania 3
Peso molecular 513.37
Beilstein 4109733
Reaxy-Rn 4109733
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=4109733&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.

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📊 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
SuperclassBenzenoids
ClaseNaphthalenes
SubclassNaphthalene sulfonic acids and derivatives
Intermediate Tree Nodes Naphthalene sulfonates
Direct Parent2-naphthalene sulfonates
Alternative Parents 2-naphthalene sulfonic acids and derivatives  Nitrobenzenes  1-sulfo,2-unsubstituted aromatic compounds  Nitroaromatic compounds  Phenoxides  Sulfonyls  Organosulfonic acids  Azo compounds  Propargyl-type 1,3-dipolar organic compounds  Organic oxoazanium compounds  Organopnictogen compounds  Organooxygen compounds  Organic sodium salts  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic homopolycyclic compounds
Substituents 2-naphthalene sulfonate - 2-naphthalene sulfonic acid or derivatives - 1-sulfo,2-unsubstituted aromatic compound - Nitrobenzene - Arylsulfonic acid or derivatives - Nitroaromatic compound - Phenoxide - Monocyclic benzene moiety - Sulfonyl - Organosulfonic acid - Organosulfonic acid or derivatives - Organic sulfonic acid or derivatives - Organic nitro compound - C-nitro compound - Azo compound - Organic alkali metal salt - Organic 1,3-dipolar compound - Propargyl-type 1,3-dipolar organic compound - Allyl-type 1,3-dipolar organic compound - Organic oxoazanium - Organic nitrogen compound - Organic oxygen compound - Organopnictogen compound - Organic oxide - Hydrocarbon derivative - Organic sodium salt - Organic salt - Organosulfur compound - Organooxygen compound - Organonitrogen compound - Aromatic homopolycyclic compound
DescripciónThis compound belongs to the class of organic compounds known as 2-naphthalene sulfonates. These are organic aromatic compounds that contain a naphthalene moiety that carries a sulfonic acid group at the 2-position. Naphthalene is a bicyclic compound that is made up of two fused benzene ring.
External Descriptors Not available
Estructura 3D
Modelo de Estructura Química Interactiva





Certificados (CoA, COO, BSE/TSE y tabla de análisis)
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.

3 results found

Lot NumberCertificate TypeFechaArticulo
J2129874Certificate of AnalysisAug 11, 2025 C396554
J2129875Certificate of AnalysisAug 11, 2025 C396554
J2129877Certificate of AnalysisAug 11, 2025 C396554
Propiedades químicas y físicas
SensibilidadMoisture sensitive.
Punto de fusión (°C)300°C
Peso molecular513.400 g/mol
XLogP3
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count12
Rotatable Bond Count2
Exact Mass512.952 Da
Monoisotopic Mass512.952 Da
Topological Polar Surface Area242.000 Ų
Heavy Atom Count33
Formal Charge0
Complexity873.000
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 Count3
Calculadoras de soluciones
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