PHENOL RED AR/ACS

pH Indicator
Phenolsulfonphthalein

height=180px
Article No.
05180
Grade
AR/ACS
Purity
CAS No.
143-74-8
Molecular Formula
C19H14O5S
Molecular Weight
354.38
H.S. Code
2934.9900
Shelf Life
60 Months
MSDS
 

 

Physical Properties

Physical state at 20 °C
Solid
Colour
Dark red powder
Odour
Odorless
Solubility in water [% weight]
Slightly soluble in water

Packings

  • 1GBA000015

    5 g (00005)

  • 1PB1200060

    25 g (00025)

  • 1PB1200100

    100 g (00100)

 

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

Exclamation Mark
Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338
Revision Date : 06-Dec-2016
Download LobaChemie AppDownload LobaChemie App