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Merck

125857

2,3-Diaminopyridine

95%

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5 G

CZK 2,940.00

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About This Item

Empirical Formula (Hill Notation):
C5H7N3
CAS Number:
452-58-4
Molecular Weight:
109.13
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
24847682
EC Number:
207-200-9
Beilstein/REAXYS Number:
109869
MDL number:
MFCD00006319

Key Documents

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Product Name

2,3-Diaminopyridine, 95%

InChI key

ZZYXNRREDYWPLN-UHFFFAOYSA-N

InChI

1S/C5H7N3/c6-4-2-1-3-8-5(4)7/h1-3H,6H2,(H2,7,8)

SMILES string

Nc1cccnc1N

assay

95%

form

powder

mp

110-115 °C (lit.)

solubility

H2O: soluble 50 mg/mL, opaque (brown to very dark brown)

Quality Level

100

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Show Differences

1 of 4

This Item
D244048.03575530603
2,3-Diaminopyridine 95%

Sigma-Aldrich

125857

2,3-Diaminopyridine

2,6-Diaminopyridine 98%

Sigma-Aldrich

D24404

2,6-Diaminopyridine

2,6-Diaminopyridine for synthesis

Sigma-Aldrich

8.03575

2,6-Diaminopyridine

2,5-Diaminopyridine 97%

Sigma-Aldrich

530603

2,5-Diaminopyridine

assay

95%

assay

98%

assay

≥97.0% (GC)

assay

97%

Quality Level

100

Quality Level

100

Quality Level

200

Quality Level

100

solubility

H2O: soluble 50 mg/mL, opaque (brown to very dark brown)

solubility

-

solubility

-

solubility

-

mp

110-115 °C (lit.)

mp

117-122 °C (lit.)

mp

115-118 °C

mp

-

form

powder

form

crystals

form

solid

form

-

Application

2,3-Diaminopyridine was used in the synthesis of 2,3-diaminopyridinium-4-hydroxybenzoate[1]. It was used as internal standard in analysis of poly(amidoamine)dendrimers having different terminal functionalities by capillary electrophoresis[2]. It was used as reagent in synthesis of imidazopyridines[3] and organometallic complexes[4].

General description

2,3-Diaminopyridine forms the bis-condensed Schiff base with salicylaldehyde[5]. It forms charge transfer complex with tetrachloro-p-benzoquinone and tetracyanoethylene[6].

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Faceshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
0000118459
0000100918
STBJ6825
0000093033
0000084332

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Hoong-Kun Fun et al.
Acta crystallographica. Section E, Structure reports online, 65(Pt 7), o1496-o1497 (2009-01-01)
In the title compound, C(5)H(8)N(3) (+)·C(7)H(5)O(3) (-), the pyridine N atom is protonated. In the 4-hydroxy-benzoate anion, the carboxyl-ate group is twisted slightly out of the benzene ring plane by an angle of 3.77 (5)°. The protonated N atom and one
Synthesis and Spectroscopic Studies of the Charge-Transfer Complexes of 2, 3-Diaminopyridine and p-Electron Acceptors.
Alqaradawi SY and Nour EM.
Spectroscopy Letters, 37(4), 337-345 (2004)
Journal of Organometallic Chemistry, 447, 299-299 (1993)
Synthesis and anti-bacterial/catalytic properties of Schiff bases and Schiff base metal complexes derived from 2, 3-diaminopyridine.
Jeewoth T, et al.
Synth. React. Inorg. Met.-Org. Chem. , 30(6), 1023-1038 (2000)
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
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