33310
2,3-Diaminopyridine
technical, ≥98.0% (NT)
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About This Item
Empirical Formula (Hill Notation):
C5H7N3
CAS Number:
Molecular Weight:
109.13
Beilstein:
109869
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
grade
technical
Assay
≥98.0% (NT)
mp
110-115 °C (lit.)
110-115 °C
solubility
methanol: soluble 1 g/10 mL
SMILES string
Nc1cccnc1N
InChI
1S/C5H7N3/c6-4-2-1-3-8-5(4)7/h1-3H,6H2,(H2,7,8)
InChI key
ZZYXNRREDYWPLN-UHFFFAOYSA-N
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General description
2,3-Diaminopyridine forms charge transfer complexes with the Π-electron acceptors chloranilic acid and dihydroxy-p-benzoquinone, which were investigated spectrophotometrically in ethanol.
Application
2,3-Diaminopyridine was employed:
- as an electrochemical substrate in voltammetric enzyme-linked immunoassay system
- in the preparation of Cu2+-selective sensors
- in the general synthesis of 1-phenyl-2-(4-aryl-1,3,4,5-tetrahydropyrido[2,3-b][1,4]diazepin-2-ylidene)-ethanones
Signal Word
Warning
Hazard Statements
Precautionary Statements
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
Target Organs
Respiratory system
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
Regulatory Information
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Khairia M Al-Ahmary
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 117, 635-644 (2013-10-12)
Charge transfer (CT) complexes formed between 2,3-aminopyridine (2,3-DAP) as electron donor with the π-electron acceptors chloranilic acid (CHA) and dihydroxy-p-benzoquinone (DHBQ) were investigated spectrophotometrically in ethanol. Minimum-maximum absorbance method has been used for estimating the formation constants of the charge
Lok P Singh et al.
Talanta, 64(2), 313-319 (2008-10-31)
Plasticized membranes using Schiff Base complexes, derived from 2,3-diaminopyridine and o-vanilin have been prepared and explored as Cu(2+)-selective sensors. Effect of various plasticizers viz., dibutyl phthalate (DBP), dioctylphthalate (DOP), chloronaphthalene (CN), tri-n-butylphosphate (TBP) etc. and anion excluder, sodium tetraphenylborate (NaTPB)
Madhukar Hemamalini et al.
Acta crystallographica. Section E, Structure reports online, 67(Pt 11), o3122-o3122 (2012-01-06)
In the title hydrated mol-ecular salt, C(5)H(8)N(3) (+)·C(7)H(5)O(6)S(-)·H(2)O, the ion pairs and water mol-ecules are connected by N-H⋯O, O-H⋯O and C-H⋯O hydrogen bonds, thereby forming a three-dimensional network. There is an intra-molecular O-H⋯O hydrogen bond in the 3-carb-oxy-4-hy-droxy-benzene-sulfonate anion, which
H Liszkiewicz et al.
Die Pharmazie, 61(6), 517-521 (2006-07-11)
A two-step, general synthesis of 1-phenyl-2-(4-aryl-1,3,4,5-tetrahydropyrido[2,3-b][1,4]diazepin-2-ylidene)-ethanones 3-9 is presented. This synthesis employs a condensation of 2,3-diaminopyridine with benzoylacetone followed by a basic-activated cyclization reaction with substituted benzaldehydes for final closure of the seven-membered ring. Molecular diversity is fixed by appropriate
Nessreen A Al-Hashimi
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 60(8-9), 2181-2184 (2004-07-14)
The charge-transfer interaction of 2,3-diaminopyridine (DAPY) and iodine has been investigated spectrophotometrically in the solvents chloroform and dichloromethane at room temperature. The results indicate the formation of 1:2 charge-transfer complex in each solvent with the observation of the two characteristic
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