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Lab Chemicals
pH Indicator (Solid)
PHENOL RED SODIUM SALT
PHENOL RED SODIUM SALT Indicator grade
pH indicator. Water soluble.
Suitable for tissue culture work.
Phenolsulphonephthalein sodium salt
Article No.
05182
Grade
Indicator grade
Purity
CAS No.
34487-61-1
Molecular Formula
C
1
9
H
1
3
NaO
5
S
Molecular Weight
376.36
H.S. Code
2934.9990
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
Dark red powder
Odour
Odorless
Melting point/ Freezing point [°C]
285 °C
Solubility in water [% weight]
Soluble in water
Packings
5 g
(00005)
25 g
(00025)
1000 g
(01000)
Specifications
Appearance
Dark red to brown powder
Transition range (pH 6.5 - 8.2)
Yellow - Red
Absorption maxima at pH 6.5 (λ1)
430 - 435 nm
Absorption maxima at pH 8.2 (λ2)
557 - 560 nm
Loss on drying (at 110°C)
Max 5%
Safety Information and Hazard Symbols
Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338
Revision Date :
14-Apr-2022