Nitrazine yellow indicator grade
Supplier: Thermo Scientific
Synonyms:
Sodium 3-((2,4-dinitrophenyl)diazenyl)-4-hydroxynaphthalene-2,7-disulphonate
190570050
190570250
ACRO190570050EA
184
GBP
ACRO190570050
ACRO190570250
Nitrazine yellow indicator grade
Nitrazine yellow
CAS No.: 5423-07-4
Formula:
C₁₆H₈N₄Na₂O₁₁S₂ MW: 542,36 g/mol Storage Temperature: Ambient |
MDL Number:
MFCD00003938 CAS Number: 5423-07-4 |
Specification Test Results
Appearance | Yellow to orange to brown Powder |
Infrared spectrum | Conforms |
UV spectrophotometry | ≥85 % |
Visual transition interval | from pH 6.0(bright yellow) to pH 7.2(bright blue) |
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