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نیترازین

Structure via PubChem · Public domain (PubChem)

EntityQ7041383· pop 10· linked from 6 articles

نیترازین

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Nitrazine or phenaphthazine is a pH indicator dye often used in medicine. More sensitive than litmus, nitrazine indicates pH in the range of 4.5 to 7.5. Nitrazine is usually used as the disodium salt.

Chemical data

Formula
C16H10N4O11S2
Molecular weight
498.4 g/mol
IUPAC name
(3E)-3-[(2,4-dinitrophenyl)hydrazinylidene]-4-oxonaphthalene-2,7-disulfonic acid
SMILES
C1=CC(=C(C=C1[N+](=O)[O-])[N+](=O)[O-])N/N=C\2/C(=CC3=C(C2=O)C=CC(=C3)S(=O)(=O)O)S(=O)(=O)O
InChIKey
IHRSXGONVFFQQF-SDXDJHTJSA-N
XLogP
1.6
Polar surface area
259 Ų
H-bond donors
3
H-bond acceptors
13
Formal charge
0

via PubChem

Wikidata facts

Mass
497.978749
Show 4 more facts
chemical formula
C₁₆H₁₀N₄O₁₁S₂
canonical SMILES
C1=CC(=C(C=C1[N+](=O)[O-])[N+](=O)[O-])NN=C2C(=CC3=C(C2=O)C=CC(=C3)S(=O)(=O)O)S(=O)(=O)O
isomeric SMILES
C1=CC(=C(C=C1[N+](=O)[O-])[N+](=O)[O-])N/N=C\2/C(=CC3=C(C2=O)C=CC(=C3)S(=O)(=O)O)S(=O)(=O)O
Commons category
Nitrazine
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