C21H18O5S

Molecular Weight:
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Cresol red
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period for delivery: Consignment Deadline Days
area: Beijing
Expiry date : Long Effective
last update: 2017-12-06 22:18
view count: 93
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Product details
Product name: Cresol red
CAS NO.: 1733-12-6
Molecular formula:

C21H18O5S
Molecular Weight: Q/SS•J02•141-2006
Properties:

Red palm powder,solve in lye,decline solve in methanol and alcohol,solve hardly in acetone and benzene,insolve in aether.
Specification (382.44)
Items: Ind Grade
PHchangerange    6.5(yellow)-8.5(purple)
Maximal absorption wavelength /£¨nm£©  λ1(PH6.5) 432-436         
λ2(PH8.5) 571-574
Quality absorption coefficient (L/cm•g) α1[λ1(PH6.5)] 49-67
α2[λ2(PH8.5)] 100-132
 Solubility in water     Passes test  
Loss on drying,percent   ≤1.0
Sulfated ash,percent       ≤0.2 
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