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| product: |
view count: 121Bromocresol green |
| unit price: |
Negotiable |
| min amount: |
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| amount: |
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| period for delivery: |
Consignment Deadline days |
| Expiry date: |
Long Effective |
| last update: |
2017-09-05 05:49 |
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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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