4,4-(1,2-Diazenediyl)bis[1,2-benzenedicarboxylic acid] - ≥98% , CAS No.21278-45-5

CAS: 21278-45-5 Cat. No.: D971200 Molecular Weight: 358.26 PubChem CID: 18469706
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Storage
Room temperature
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
250mg
D971200-250mg
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$104.90
1g
D971200-1g
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$267.90
5g
D971200-5g
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$827.90
10g
D971200-10g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$1,375.90
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Why this grade

≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature Ships 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.

📚

Literature proof

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

Specifications

Specifications & Purity
≥98%
Storage
Room temperature
Purity
≥98%
Names and Identifiers
Canonical SmilesC1=CC(=C(C=C1N=NC2=CC(=C(C=C2)C(=O)O)C(=O)O)C(=O)O)C(=O)O
IUPAC Name4-[(3,4-dicarboxyphenyl)diazenyl]phthalic acid
InChIKeyPHDVEJUSUBVDMY-UHFFFAOYSA-N
INCHI1S/C16H10N2O8/c19-13(20)9-3-1-7(5-11(9)15(23)24)17-18-8-2-4-10(14(21)22)12(6-8)16(25)26/h1-6H,(H,19,20)(H,21,22)(H,23,24)(H,25,26)
Isomeric SMILES C1=CC(=C(C=C1N=NC2=CC(=C(C=C2)C(=O)O)C(=O)O)C(=O)O)C(=O)O
PubChem CID 18469706
Molecular Weight 358.26

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 Benzoic acids  Benzoyl derivatives  Azo compounds  Propargyl-type 1,3-dipolar organic compounds  Carboxylic acids  Organooxygen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Azobenzene - Benzoic acid or derivatives - Benzoic acid - Benzoyl - Monocyclic benzene moiety - Benzenoid - Azo compound - Organic 1,3-dipolar compound - Carboxylic acid derivative - Carboxylic acid - Propargyl-type 1,3-dipolar organic compound - Organic nitrogen compound - Hydrocarbon derivative - Organic oxygen compound - Organonitrogen compound - Organooxygen compound - Organic oxide - 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





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:
Chemical and Physical Properties
Molecular Weight358.260 g/mol
XLogP31.800
Hydrogen Bond Donor Count4
Hydrogen Bond Acceptor Count10
Rotatable Bond Count6
Exact Mass358.044 Da
Monoisotopic Mass358.044 Da
Topological Polar Surface Area174.000 Ų
Heavy Atom Count26
Formal Charge0
Complexity567.000
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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