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Lab Chemicals
pH Indicator (Solid)
METANIL YELLOW
METANIL YELLOW AR
C.I.No.13065
3-(4-Anilinophenylazo)benzenesulfonic acid sodium salt, Acid Yellow 36
Article No.
04600
Grade
AR
Purity
CAS No.
587-98-4
Molecular Formula
C
1
8
H
1
4
N
3
NaO
3
S
Molecular Weight
375.38
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
Orange yellow powder
Solubility in water [% weight]
Soluble in water
Packings
25 g
(00025)
100 g
(00100)
Specifications
Appearance
Orange yellow colored powder
pH 1.2 - 3.2
Red to yellow
Absorption maxima (0.1 mol/L in NaOH) λmax1
433 - 439 nm
Absorptivity (A 1%/1cm; at λmax)
Min 450
Loss on drying (at 135°C)
Max 5%
Safety Information and Hazard Symbols
Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H317
Precaution Statement: P280
Revision Date :
16-Dec-2013