PHENOL RED (INDICATOR) (PH 6.4-8.2 YELLOW TO RED)*

PHENOL RED (INDICATOR) (PH 6.4-8.2 YELLOW TO RED) PHENOL RED (INDICATOR) (PH 6.4-8.2 YELLOW TO RED)
Article No. Grade Purity Cas no. Molecular Formula Molecular Weight H.S. Code Shelf Life
P0156800025 AR/ACS 143-74-8 C19H14O5S 354.38 2934.9900
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

Loss on dryig (at 110°C):

 Max 5.0%

Clarity of solution:

 Passes ACS test

Absorption maxima at pH 6.5 (l1):

 430 - 435 nm

Absorption maxima at pH 8.2 (l2):

 557 - 560 nm

Visual transition range:

 From pH 6.8 (Yellow) - 8.2 (Red)

Safety Information and Hazard Symbols

Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338
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Globally Harmonized System of classification and Labelling of Chemicals (GHS)

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