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Eriochrome Black T AR | 01122 Pallav Chemicals | MSDs COA

Home > Pallav Chemicals > Complexometric Indicators > Eriochrome Black T AR

Eriochrome Black T AR
C.I.No.14645 Indicator for the determination of calcium plus magnesium by titration with EDTA Solochrome Black T, Sodium 4-[(1-hydroxynaphthalen-2-yl-hydrazinylidene]-7-nitro-3-oxo-Y-naphthalene-1-sulphonate

Product Code.
 01122
Grade
 AR
Purity
CAS No.
 1787-61-7
Molecular Formula
 C20H12N3NaO7S
Molecular Weight
 461.38
H.S.Code
 3204.90000
Shelf Life
 60 Months
MSDS COAs

Physical Properties

Physical state at 20 °C
Solid
 Colour
Brownish black powder
 Odour
Odorless

Packaging

Specification

Appearance
Brownish black powder
Suitability (as metal indicator)
Passes test
Absorption maxima at pH 10
612 - 616 nm
Clarity of solution
Passes test
Specific absorptivity A1%/1cm (lmax; 0.02 g/L; buffer pH 10.0; calculated on dried substance)
Min 300.0
Loss on dryig (at 110°C)
Max 7.0%

Safety Information and Hazard Symbols