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Organic Chemicals

Phenol Red

RA002036 CAS 143-74-8 AR/ACS

Identity

Product code
RA002036
CAS number
143-74-8
Grade
AR/ACS
Molecular formula
C19H14O5S
Molecular weight
354.38

Classification

Technical Data

Properties

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

These are recorded catalogue property values. Product specification limits, where available, are listed under Specifications.

Specifications

ParameterSpecificationUnit
Appearance Reddish powder —
Absorption maxima at pH 6.5 (λ1) 430 - 435 nm nm
Absorption maxima at pH 8.2 (λ2) 557 - 560 nm nm
Loss on drying (110 °C) Max 5.0 % %
Clarity of solution Passes ACS test —

Packaging

Pack size SKU
5 g RA002036-PK-5G
25 g RA002036-PK-25G
100 g RA002036-PK-100G