
PRODUCTS > Organic product
Cresol red
Product name: | Cresol red | ![]() |
CAS NO.: | 1733-12-6 | |
Molecular formula: | C21H18O5S |
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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 (Cresol red) |
CAS NO.: | 1733-12-6 | |
Molecular Formula: | C21H18O5S | |
Molecular weight | 382.44 | |
Properties: | Red palm powder,solve in lye,decline solve in methanol and alcohol,solve hardly in acetone and benzene,insolve in aether. | |
Specification( Q/SS•J02•141-2006) | ||
Items: | Ind Grade | |
PHchangerange | 6.5(yellow)-8.5(purple) | |
Maximal absorption wavelength /£¨nm£© |
λ1(PH6.5) 432-436 λ2(PH8.5) 571-574 |
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Quality absorption coefficient (L/cm•g) |
α1[λ1(PH6.5)] 49-67 α2[λ2(PH8.5)] 100-132 |
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Solubility in water | Passes test | |
Loss on drying,percent | ≤1.0 | |
Sulfated ash,percent | ≤0.2 |