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Product: |
Views:118Bromocresol green |
Unit price: |
Negotiable |
MOQ: |
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Quantity: |
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Delivery date: |
Since the payment date Days delivery |
Valid until: |
Long-term effective |
Last updated: |
2017-07-02 11:40 |
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Product name: |
Bromocresol green |
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CAS NO.: |
76-60-8 |
Molecular formula: |
C21H14Br4O5S |
Molecular Weight: |
698.02 |
Properties: |
White or pale grey crystal,easy solve in alcohol,aether and benzene,decline solve in water. |
Specification (Q/SS•J02•144-2006) |
Items: |
Ind Grade |
PHchangerange |
3.8(yellow green )-5.4(blue) |
Solubllity in alcohol |
Passes test |
Sulfated ash, percent |
≤0.25 |
Maximal absorption wavelength(nm) |
λ1(PH3.8) 440-445 λ2(PH5.4) 615-618 |
Loss on drying w,percent |
≤3.0 |
Quality absorpting coefficient (L/cm•g) |
α1[λ1(PH3.8,dry sample)] 24-28 α2[λ2(PH5.4,dry sample)] 53-58 |
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