N,N'-Bis(salicylidene)-1,2-phenylenediamine - ≥96% , CAS No.3946-91-6

CAS: 3946-91-6 Cat. No.: N159759 Molecular Weight: 316.36 Beilstein Registry Number: 13(4)48 EC Number: 625-020-2
AVAILABLE TO ORDER
GRADE & PURITY ≥96%
Synonyms
D2572 | NSC650732 | NSC-650732 | SCHEMBL19772 | SY009691 | A824561 | 2-(((2-((2-Hydroxybenzylidene)amino)phenyl)imino)methyl)phenol | 2,2'-(1E,1'E)-(1,2-phenylenebis(azan-1-yl-1-ylidene))bis(methan-1-yl-1-ylidene)diphenol | Bis(salicylidene)-o-phenylenedi
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
1g
N159759-1g
4

$9.90

$14.90
Save $5.00 (33.56%)
5g
N159759-5g
3

$42.90

$64.90
Save $22.00 (33.90%)
25g
N159759-25g
1

$142.90

$214.90
Save $72.00 (33.50%)
100g
N159759-100g
1

$564.90

$847.90
Save $283.00 (33.38%)
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Why this grade

≥96% 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.

Overview

explanation:

N,N′-Bis(salicylidene)-1,2-phenylenediamine is a tetradentate Schiff base. It is also called as salophen. It serves as a chelating agent for metal ions such as Fe(II/III), Mn(II/III),Co(II), Ni(II), Zn(II) and Cu(II).

Specifications

Synonyms
D2572 | NSC650732 | NSC-650732 | SCHEMBL19772 | SY009691 | A824561 | 2-(((2-((2-Hydroxybenzylidene)amino)phenyl)imino)methyl)phenol | 2, 2'-(1E, 1'E)-(1, 2-phenylenebis(azan-1-yl-1-ylidene))bis(methan-1-yl-1-ylidene)diphenol | Bis(salicylidene)-o-phenylenedi
Specifications & Purity
≥96%
Storage
Room temperature
Shipped In
Normal
Purity
≥96%
Names and Identifiers
Pubchem Sid488188683
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488188683
Canonical SmilesC1=CC=C(C(=C1)C=NC2=CC=CC=C2N=CC3=CC=CC=C3O)O
IUPAC Name2-[[2-[(2-hydroxyphenyl)methylideneamino]phenyl]iminomethyl]phenol
InChIKeyHXFYGSOGECBSOY-UHFFFAOYSA-N
INCHI1S/C20H16N2O2/c23-19-11-5-1-7-15(19)13-21-17-9-3-4-10-18(17)22-14-16-8-2-6-12-20(16)24/h1-14,23-24H
Isomeric SMILES C1=CC=C(C(=C1)C=NC2=CC=CC=C2N=CC3=CC=CC=C3O)O
Molecular Weight 316.36
Beilstein 13(4)48
Reaxy-Rn 2221636
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=2221636&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
SuperclassBenzenoids
ClassPhenols
Subclass1-hydroxy-4-unsubstituted benzenoids
Intermediate Tree Nodes Not available
Direct Parent1-hydroxy-4-unsubstituted benzenoids
Alternative Parents 1-hydroxy-2-unsubstituted benzenoids  Benzene and substituted derivatives  Shiff bases  Propargyl-type 1,3-dipolar organic compounds  Organopnictogen compounds  Organooxygen compounds  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents 1-hydroxy-4-unsubstituted benzenoid - 1-hydroxy-2-unsubstituted benzenoid - Monocyclic benzene moiety - Shiff base - Organic 1,3-dipolar compound - Propargyl-type 1,3-dipolar organic compound - Aldimine - Organic nitrogen compound - Organic oxygen compound - Organopnictogen compound - Hydrocarbon derivative - Organooxygen compound - Organonitrogen compound - Imine - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as 1-hydroxy-4-unsubstituted benzenoids. These are phenols that are unsubstituted at the 4-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.

6 results found

Lot NumberCertificate TypeDateItem
I2203386Certificate of AnalysisJun 11, 2026 N159759
I2203388Certificate of AnalysisJun 11, 2026 N159759
I2205308Certificate of AnalysisJun 11, 2026 N159759
I2205309Certificate of AnalysisJun 11, 2026 N159759
C2604004Certificate of AnalysisMar 10, 2026 N159759
H2515139Certificate of AnalysisAug 26, 2025 N159759
Chemical and Physical Properties
Melt Point(°C)165 °C
Molecular Weight316.400 g/mol
XLogP34.000
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count4
Rotatable Bond Count4
Exact Mass316.121 Da
Monoisotopic Mass316.121 Da
Topological Polar Surface Area65.200 Ų
Heavy Atom Count24
Formal Charge0
Complexity397.000
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
Documents & Articles
Solution Calculators
Reviews

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