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Phenol Red AR (pH Indicator) | 01976 Pallav Chemicals | MSDs COA

Home > Pallav Chemicals > pH Indicator (Solid) > Phenol Red AR (pH Indicator)

Phenol Red AR (pH Indicator)
pH Indicator Phenolsulfonphthalein

Product Code.
 01976
Grade
Purity
CAS No.
 143-74-8
Molecular Formula
 C19H14O5S
Molecular Weight
 354.38
H.S.Code
 2934.99000
Shelf Life
 60 Months
COAs

Physical Properties

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

Packaging

Specification

Appearance
Reddish powder
Visual transition range
From pH 6.8 (Yellow) - 8.2 (Red)
Absorption maxima at pH 6.5 (l1)
430 - 435 nm
Absorption maxima at pH 8.2 (l2)
557 - 560 nm
Loss on dryig (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