NITRAZINE YELLOW
NITRAZINE YELLOW Indicator grade
C.I.No.14890To perform a fecal pH test for diagnosing intestinal infections or other digestive problems
Short Name: NITRAZINE YELLOW
Synonym: Phenaphthazine, (3E)-3-[(2,4-Dinitrophenyl)hydrazono]-4-oxonaphthalene-2,7-disulphonic acid
Basic Details
Article No.
LG3253
Grade
Indicator grade
Purity
CAS No.
5423-07-4
HS Code
3204.1329
Shelf Life
60 Months
Packings Avialable
Physical Properties
Physical state at 20 °C
Solid
Colour
Brownish red powder
Odour
Odorless
pH value
6.0 - 7.2
Solubility in water [% weight]
Soluble in water
Chemical Specifications
Appearance
Orange coloured crystalline powder
pH transition range
6 - 7 (Bright yellow-Bright blue)
Absorption maxima in 0.1 N NaOH
~ 586 nm
Safety Information & Hazard Symbols
Risk Statement
5
Safety Statement
15-22-24/25