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Alfa Aesar™ Nitrazine Yellow

pH indicator

$28.53 - $322.30

Chemical Identifiers

CAS 5423-07-4
Molecular Formula C16H8N4Na2O11S2
Molecular Weight (g/mol) 542.36
MDL Number MFCD00003938
InChI Key XBLIFEQTVVSTIM-QIKYXUGXSA-L
Synonym C.I. 14890; Delta Yellow
PubChem CID 44134855
IUPAC Name disodium;3-[(2,4-dinitrophenyl)hydrazinylidene]-4-oxonaphthalene-2,7-disulfonate
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-].[Na+].[Na+]
View More Specs

Products 3
Catalog Number Mfr. No. Quantity Price Quantity  
Catalog Number Mfr. No. Quantity Price Quantity  
AAJ6028103 View Documents Alfa Aesar™
J6028103
1g Each for $28.53
 
AAJ6028106 View Documents Alfa Aesar™
J6028106
5g Each for $80.65
 
AAJ6028114 View Documents Alfa Aesar™
J6028114
25g Each for $322.30
 
Description

Description

Applications
Nitrazine Yellow is used to test vaginal pH during late pregnancy to determine the breakage of the amniotic sac. To perform a fecal pH test for diagnosing intestinal infections or other digestive problems. In civil engineering, to determine the carbonatation spread in concrete structures and therefore assess the state of the rebar′s passivation film.

Solubility
Dissolve in water at 1mg/ml

Notes
Store in cool, dry place in a tightly sealed container. Store away from oxidizing agents.
Specifications

Chemical Identifiers

5423-07-4
542.36
XBLIFEQTVVSTIM-QIKYXUGXSA-L
44134855
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-].[Na+].[Na+]
C16H8N4Na2O11S2
MFCD00003938
C.I. 14890; Delta Yellow
disodium;3-[(2,4-dinitrophenyl)hydrazinylidene]-4-oxonaphthalene-2,7-disulfonate

Specifications

5423-07-4
MFCD00003938
XBLIFEQTVVSTIM-QIKYXUGXSA-L
disodium;3-[(2,4-dinitrophenyl)hydrazinylidene]-4-oxonaphthalene-2,7-disulfonate
44134855
Powder
1g
C16H8N4Na2O11S2
C.I. 14890; Delta Yellow
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-].[Na+].[Na+]
542.36
542.36
Brown to Orange
Nitrazine Yellow
Safety and Handling

Safety and Handling

TSCA : TSCA