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Molecule
ID:104572
Structure
Similarity
Functional Group
Text
General Information
Structure
Molecular Formula
C₁₁H₉N₃O₂
Molecular Mass
215.20806
Exact Mass
215.06947654
Charge
0
InChI
InChI=1S/C11H9N3O2/c15-8-4-5-9(10(16)7-8)13-14-11-3-1-2-6-12-11/h1-7,15-16H
InChIKey
RJNYNDHYSJRRDW-UHFFFAOYSA-N
Canonic Smiles
Oc1ccc(c(c1)O)/N=N/c1ccccn1
Isomeric Smiles
Oc1cc(O)c(cc1)/N=N/c1ncccc1
Calculated Properties
JChem
Acid pKa
8.515163
H Acceptors
5
H Donor
2
LogD (pH = 5.5)
3.1483767
LogD (pH = 7.4)
3.1169171
Log P
3.148794
Molar Refractivity
62.4954
Polarizability
21.896496
Polar Surface Area
78.07
Rotatable Bonds
2
Lipinski's Rule of Five
true
Data Source
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Names and Identifiers
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Registration numbers
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Properties
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Related Proteins
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Molecular Spectra
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Molecule Details
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References
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Bioactivity
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General Information
Calculated Properties
•
RDKit
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JChem
Data Source
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Commercial Catalog
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Academic Data
Names and Identifiers
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IUPAC Traditional name
•
Synonyms
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IUPAC name
Registration numbers
Properties
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Product Information
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Physical Property
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Safety Information
Related Proteins
Molecular Spectra
Molecule Details
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MP Biomedicals
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Sigma Aldrich
References
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PubChem Literature
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From Data Sources
Bioactivity
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PubChem BioAssay
Data Source
Commercial Catalog
MP Biomedicals
02156454
02156455
Alfa Aesar
L09667
43629
Sigma Aldrich
82970
323209
Academic Data
PubChem
5474737
Names and Identifiers
IUPAC Traditional name
4-[2-(pyridin-2-yl)diazen-1-yl]benzene-1,3-diol
4-[(E)-2-(pyridin-2-yl)diazen-1-yl]benzene-1,3-diol
Synonyms
4-(2-PYRIDYLAZO)RESORCINOL
PAR
4-(2-PYRIDYLAZO)RESORCINOL DISODIUM SALT
4-(2-Pyridylazo)resorcinol
4-(2-吡啶偶氮)间苯二酚
4-(2-吡啶偶氮)间苯二酚, ACS
4-(2-Pyridylazo)resorcinol, ACS
IUPAC name
4-[2-(pyridin-2-yl)diazen-1-yl]benzene-1,3-diol
4-[(E)-2-(pyridin-2-yl)diazen-1-yl]benzene-1,3-diol
Registration numbers
CAS Number
1141-59-9
52722-53-9
Beilstein Number
184665
MDL Number
MFCD00006256
EC Number
214-528-6
258-131-6
PubChem SID
162093292
24859228
24888070
PubChem CID
5474737
Molecule Details
MP Biomedicals
02156454
Free Acid
Purity: 95%
Orange powder.
02156455
Disodium Salt
Orange crystals
Used as a metal indicator in EDTA titrations.
Sigma Aldrich
82970
General description
Visit our Titration Center to learn more.
Other Notes
Indicator in complexometry; reagent for the extraction and spectrophotometric determination of many transition metals1
323209
Packaging
5, 25 g in glass bottle
References
PubChem Literature
From Data Sources
•
Reagent for spectrophotometric determination of metals.
•
Indicator for complexometry.
Bioactivity
PubChem BioAssay
Registration numbers
•
CAS Number
•
Beilstein Number
•
MDL Number
•
EC Number
•
PubChem SID
•
PubChem CID
Properties
Product Information
Certificate of Analysis
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Source
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Source
Purity
95%
Source
≥95.0%
Source
≥95.0% (CHN)
Source
96%
Source
99%
Source
Ignition Residue
≤0.4%
Source
Empirical Formula (Hill Notation)
C11H9N3O2
Source
Quality
for the spectrophotometric det. of Hg, indicator for complexometric titration
Source
Physical Property
Melting Point
187°C (dec.)
Source
192-202 °C(lit.)
Source
ca 187°C dec.
Source
187°C dec.
Source
Apperance
Powder
Source
Safety Information
MSDS Link
Download link
Source
Download link
Source
Download link
Source
Download link
Source
Storage Condition
Room Temperature (15-30°C)
Source
Irritant (Xi)
H315
-
H319
-
H335
Source
36/37/38
Source
26
-
36
Source
26
-
37
Source
3
Source
Acute toxicity (oral, dermal, inhalation), category 4
Skin irritation, category 2
Eye irritation, category 2
Skin sensitisation, category 1
Specific Target Organ Toxicity – Single exposure, category 3
Warning
Source
dust mask type N95 (US), Eyeshields, Gloves
Source
P261
-
P305+P351+P338
Source
P261
-
P305+P351+P338
-
P302+P352
-
P321
-
P405
-P501A
Source
是
Source
来源
Source
European Hazard Symbols
GHS Hazard statements
Risk Statements
Safety Statements
German water hazard class
GHS Pictograms
GHS Signal Word
Personal Protective Equipment
GHS Precautionary statements
TSCA Listed