Cresol Red
(32608392 | 1733-12-6)

CAS: 1733-12-6
Molecular Formula: C21H18O5S
Molecular Weight: 382.43
Availablility: In Stock
Downloads: Product Specification | Safety Data Sheet [EN]
Cresol Red Chemical Structure

32608392-25g 25g £49.20
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32608392-25g 25g €68.90
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32608392-25g 25g $73.90
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Safety Data Sheet
Certificate of Analysis

Product Detail
Product Code 32608392
Product Name Cresol Red
Categories Stains & Indicators
CAS 1733-12-6
Molecular Formula C21H18O5S
Molecular Weight 382.43
Storage Details Ambient
Harmonised Tariff Code 29349990

Product Specification
Appearance Dark Red Powder
Solubility at 0.1% (95% Ethanol) Clear Yellow Solution
Loss on drying (110 °C) (Max.) 3.00%
pH Transition - Colour Change pH6.5 (Yellow) - pH8.8 (Purple)
Wavelenght of Maximum Absorption (pH6.5) λmax1 432.0-436.0 nm
Specific Absorption (E1%/1cm) at λ max1 (Min.) 490
Wavelenght of Maximum Absorption (pH 8.8) λ max2 571.0-574.0 nm
Specific Absorption (E1%/1cm) at λ max2 (Min.) 1000

Safety Information
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/spray

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

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