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Lab Chemicals
Complexometric Indicators
ERIOCHROME BLACK T
ERIOCHROME BLACK T Indicator grade
C.l.No.14645
Solochrome Black T, Sodium 4-[(1-hydroxynaphthalen-2-yl-hydrazinylidene]-7-nitro-3-oxo-Y-naphthalene-1-sulphonate
Article No.
03669
Grade
Indicator grade
Purity
CAS No.
1787-61-7
Molecular Formula
C
2
0
H
1
2
N
3
NaO
7
S
Molecular Weight
461.38
H.S. Code
3204.9000
Shelf Life
60 Months
MSDS
DE
EN
FR
KO
PT
ES
TH
TR
Certificate of Analysis (COAs)
Physical Properties
Physical state at 20 °C
Solid
Colour
Brownish black powder
Odour
Odorless
Packings
25 g
(00025)
100 g
(00100)
1000 g
(01000)
Specifications
Appearance
Brownish black powder
Suitability (as metal indicator)
Passes test
Absorption maxima at pH 10
612 - 616 nm
Loss on drying
Max 7%
Safety Information and Hazard Symbols
Risk Statement: 36-51/53
Safety Statement: 26-61
Revision Date :
11-Jun-2013