ERIOCHROME BLACK T

Solochrome Black T, Sodium 4-[(1-hydroxynaphthalen-2-yl-hydrazinylidene]-7-nitro-3-oxo-Y-naphthalene-1-sulphonate

Article No.
03670
Grade
AR/ACS
Purity
CAS No.
1787-61-7
Molecular Formula
C20H12N3NaO7S
Molecular Weight
461.38
H.S. Code
3204.1900
Shelf Life
5 Years
 

C.I.No.14645

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Physical Properties

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

Specifications

Appearance Brownish black powder
Suitability as metal indicator Passes test
Absorption maximum (pH 10) 612 - 616 nm
Clarity of solution Passes test
Specific absorptivity A1% 1m (λmax;0.02g/l; buffer pH 10.0 calc.on dried substance) Min 300.0
Loss on drying (at 110 deg C) Max 7.0%

Packings

00025 25 g In Stock
00100 100 g In Stock

Safety Information and Hazard Symbols

Risk Statement: 36-51/53
Safety Statement: 26-61
Revision Date : 21-Oct-2013