Gold Member Since 2016
Audited Supplier
Wuhan Kemi-Works Chemical Co., Ltd.

Phenol Red, Phenol, Phenolsulfonephthalein manufacturer / supplier in China, offering Phenol Red, 1, 3-Propane Sultone 1120-71-4, 2, 4-Dichloroquinazoline and so on.

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Phenol Red

FOB Price: Get Latest Price
Min. Order: 1 kg
Port: Shanghai, China
Production Capacity: 5mt/Month
Payment Terms: L/C, T/T, Western Union, Paypal, Money Gram
Basic Info
  • Model NO.: km-306
  • Grade: AR
  • Content: Standard
  • Source: Organic Synthesis
  • Application: Industry, Scientific Research, Health, Environmental Protection, Agriculture
  • Solution Test in Alkali: Qualified
  • Residue on Ignition (as Sulfate): 0.2%Max
  • Transport Package: 25kg/Fibre Drum
  • Classification: Indicators and Test Papers
  • Specific Usage: For Biological Purpose
  • Usage: Laboratory Reagents, Analytical Reagents
  • Habit Appellation: Chemical Indicaton
  • Property: Biochemical Reagent
  • Loss on Drying: 1.0%Max
  • Trademark: KMW
  • Origin: China
Product Description
Product name:Phenol Red
CAS No. 143-74-8
MF:  C19H14O5S
MW: 354.38
PH indicator range: 
1.2 (orange) -3.0(yellow)
6.5(yellow-brown)- 8.0(purple)
Maximum absorption wave-length(nm):
λ1(PH1.2)  503---506
λ2(PH 3.0)  430---435
λ3(PH 6.5)  430---435
λ4(PH 8.0)  557---560
Mass absorption coefficient(L/cm·g)
α11,PH 1.2,dry sample)110---123
α22,PH 3.0,dry sample)60---68
α3 3,PH 6.5,dry sample)62---72
α44,PH 8.0,dry sample)115-130
Solution test in alkali: qualified
Loss on drying: 1.0%max
Residue on ignition (as sulfate): 0.2%max
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Ms. Allen Zhang
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