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PHENOL RED AR/ACS
pH Indicator
Phenolsulfonphthalein
MSDS
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COAs
Packings
5 g
(00005)
25 g
(00025)
100 g
(00100)
Print friendly version
Article No.
05180
Grade
AR/ACS
Purity
CAS No.
143-74-8
Molecular Formula
C
1
9
H
1
4
O
5
S
Molecular Weight
354.38
H.S. Code
2934.9990
Shelf Life
60 Months
Physical Properties
Physical state at 20 °C
Solid
Colour
Dark red powder
Odour
Odorless
Solubility in water [% weight]
Slightly soluble in water
Specifications
Appearance
Reddish powder
Visual transition range
From pH 6.8 (Yellow) - 8.2 (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 5.0%
Clarity of solution
Passes ACS test
Safety Information and Hazard Symbols
Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338
Revision Date:
06-Dec-2016
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PHENOL RED