Table 1.
First-order rate constants, half-lives, and linearity coefficients for azobenzene disperse dyes (above the dashed line) and transformation products (below the dashed line).
| Compound | Cysteine First Order Rate Constant (hr−1) | Lysine First Order Rate Constant (hr−1) | Cysteine Half Life (T1/2 (hr.)) | Lysine Half Life (T1/2 (hr.)) | Cysteine Coefficient of Linearity (R2) | Lysine Coefficient of Linearity (R2) |
|---|---|---|---|---|---|---|
| DB 183:1 | 0.032 | 0.012 | 21.6 | 58.1 | 0.92 | 0.92 |
| DB 373 | 0.018 | 0.006 | 39.2 | 110 | 0.92 | 0.84 |
| DB 79:1 | 0.040 | 0.007 | 17.2 | 97.5 | 0.90 | 0.92 |
| DO 25 | 0.006 | 0.008 | 125 | 90.3 | 0.93 | 0.94 |
| DO 37 | 0.012 | 0.009 | 56.4 | 79.9 | 0.90 | 0.93 |
| DO 44 | 0.015 | 0.011 | 46.2 | 63.7 | 0.91 | 0.93 |
| DO 61 | 0.012 | 0.007 | 59.8 | 103 | 0.85 | 0.89 |
| DO 73 | 0.019 | 0.006 | 36.2 | 123 | 0.88 | 0.82 |
| DR 354 | 0.010 | 0.007 | 68.0 | 104 | 0.84 | 0.96 |
| DR 50 | 0.009 | 0.010 | 80.6 | 72.8 | 0.81 | 0.95 |
| DR 73 | 0.018 | 0.008 | 37.5 | 87.3 | 0.94 | 0.88 |
| DV 93 | 0.012 | 0.015 | 58.1 | 44.8 | 0.96 | 0.95 |
| BDNA | 0.005 | 0.003 | 136 | 239 | 0.81 | 0.76 |
| DBNA | 0.007 | 0.011 | 105 | 61.9 | 0.91 | 0.97 |
| CNA | 0.003 | 0.001 | 248 | 578 | 0.70 | 0.63 |