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Product Details
Product Description
| Product name | Bromocresol Purple |
| Cas number | 115-40-2 |
| Molecular formula | C21H16Br2O5S |
| Molecular weight | 540.22 |
| Appearance | light purple crystal powder |
| PH color gamut | 5.2 (yellow)-6.8 (purple) |
| Maximum absorption wavelength (nm) | λ1 (PH 5.2): 427~431 |
| λ2 (PH 6.8): 588~590 | |
| Mass absorption coefficient (L/cm·g) | α1(λ1PH 5.2 on dries): 40.5~45.0 |
| α2 (λ2PH 6.8 on dries): 100.0~110.0 | |
| Loss on drying | ≤0.5% |
| Dilute alkali dissolution test | Conforms |
| Ignition residue (calculated as sulfate) | ≤0.1% |
Company Information
Tel:86-571-87039693 Email:sales@sartort.com