Chlorophenol Red
(28830424 | 4430-20-0)

CAS: 4430-20-0
Molecular Formula: C19H12Cl2O5S
Molecular Weight: 423.2666
Availablility: In Stock
Downloads: Product Specification | Safety Data Sheet [EN]
Chlorophenol Red Chemical Structure

28830424-5g 5g £35.80
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28830424-5g 5g €50.20
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28830424-5g 5g $53.70
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Safety Data Sheet
Certificate of Analysis

Product Detail
Product Code 28830424
Product Name Chlorophenol Red
Categories Stains & Indicators
CAS 4430-20-0
Molecular Formula C19H12Cl2O5S
Molecular Weight 423.2666
Storage Details Ambient
Harmonised Tariff Code 29349990

Product Specification
Loss on Drying max 7.00%
Assay min 93.00%
Specific absorption min 1550.0
Appearance Crystalline powder or chunks
Solubility at 0.1% (95% Ethanol) Clear solution
pH Transition - Colour Change pH 4.8 (Brownish Yellow) - pH 6.4 (Violet)
Wavelength of Maximum Absorption in 0.1N NaOH 573.0 - 579.0nm

Safety Information
Pictograms
Exclamation Mark
Signal word warning
Hazard statements
  • H315: Causes skin irritation

  • H319: Causes serious eye irritation

  • H335: May cause respiratory irritation
Precautionary statements
  • P261: Avoid breathing dust/fume/gas/mist/vapours/

  • P280: Wear: protective gloves/ clothing & eye protection

  • P305+351+338: IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing

  • P308+313: IF exposed or concerned: Get medical advice/attention

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