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Our product range contains a wide range of Xylenol Orange and PHENOL RED

Xylenol Orange

  • Min. Order (MOQ) 10 Kilogram
  • Shelf Life 60 Months
  • CAS 3618-43-7
  • Molecular Formula C31H28N2O13SNa4
  • Molecular Weight 760.59
  • Grade AR
  • Physical state at 20 °C Solid
  • Melting point/ Freezing point [°C] 195 °C
  • Colour Brown Powder
  • Flash Point [°C] 93.3°C
  • Odour Odorless
  • Solubility in water [% weight] Soluble in water

Details

Appearance Red-brown to dark brown crystalline powder
Solubility (0.1% in 0.1 N NaOH) Clear reddish to violet
Absorption maxima (0.1N NaOH) 575 - 585 nm
Absorptivity (A 1%/1cm; at λmax) Min 550
Loss on drying (at 105°C; 1 hr) Max 7%
Sensitivity for Zinc Passes test
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Phenol Red

  • Min. Order (MOQ) 10 Kilogram
  • Shelf Life 60 Months
  • CAS 143-74-8
  • Molecular Formula C19H14O5S
  • Molecular Weight 354.38
  • Physical state at 20 °C Solid
  • Solubility in water [% weight] Slightly soluble in water
  • Grade AR/ACS
  • Colour Dark Red Powder
  • Odour Odorless

Details

Appearance Reddish powder
Visual transition range From pH 6.8 (Yellow) - 8.2 (Red)
Absorption maxima at pH 6.5 (λ1) 430 - 435 nm
Absorption maxima at pH 8.2 (λ2) 557 - 560 nm
Loss on drying (at 110°C) Max 5.0%
Clarity of solution Passes ACS test
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