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Lab Chemicals
pH Indicator (Solid)
TITAN YELLOW
TITAN YELLOW AR
C.I.No.19540
Thiazole Yellow G; Clayton Yellow; Direct Yellow 9
Article No.
06320
Grade
AR
Purity
CAS No.
1829-00-1
Molecular Formula
C
2
8
H
1
9
N
5
Na
2
O
6
S
4
Molecular Weight
695.73
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
Yellowish brown powder
Odour
Odorless
pH value
5.1 at 10 g/l at 20 °C
Melting point/ Freezing point [°C]
> 300 °C
Solubility in water [% weight]
29 g/l at 20 °C
Partition coefficient Log Pow octanol / water at 20°C
1.73
Packings
10 g
(00010)
25 g
(00025)
50 g
(00050)
Specifications
Appearance
Yellowish brown colored powder***
Transition range
pH 12.0-13.0 - yellow to orange -red
Absorption maxima (buffer pH 7.0)
397 - 407 nm
Absorptivity (A 1%/1cm; at λmax)
Min 320.0
Loss on drying (at 110°C)
Max 8.0%
***May darken on storage
Revision Date :
17-Jun-2016