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Biological Stains and Dyes
CHROME AZUROL S
CHROME AZUROL S
C.I.No.43825 Chromazurol S is used for spectrophotometric determination of alumina in iron ores, sinters, and open hearth slags.
Mordant Blue 29; Chrome Azurol S
Article No.
02810
Grade
Purity
CAS No.
1667-99-8
Molecular Formula
C
2
3
H
1
3
Cl
2
Na
3
O
9
S
Molecular Weight
605.29
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
Solubility in water [% weight]
Soluble in water
Packings
10 g
(00010)
25 g
(00025)
Specifications
Appearance
A brownish black powder
Absorption maxima (buffer pH 7.0)
424 - 428 nm
Specific absorptivity A1%/1cm (λmax; 0.002%; buffer pH 7.0; calculated on dried substance)
200 - 300
Loss on drying (at 105°C)
Max 10%
Safety Information and Hazard Symbols
Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338
Revision Date :
26-Aug-2014