Cresol red
2017-12-25 06:15 Visit:95
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| 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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