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Lab Chemicals
pH Indicator (Solid)
BRILLIANT YELLOW
BRILLIANT YELLOW
C.I.No.24890 It is used as an azo dye.
Direct Yellow 4
Article No.
02257
Grade
Purity
CAS No.
3051-11-4
Molecular Formula
C
2
6
H
1
8
N
4
Na
2
O
8
S
Molecular Weight
624.56
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
Brown colour powder
Odour
Odorless
Solubility in water [% weight]
Partially soluble in water
Packings
25 g
(00025)
Specifications
Appearance
Orange to very dark orange powder
Visual transition range
pH 6.5 : Yellow, pH 8.0 : Orange to Red-Orange
Safety Information and Hazard Symbols
Safety Statement: 22-24/25
Revision Date :
13-Jun-2022