Complaint
Cosmetic usage Bromocresol green with high purity cas 76-60-8
| Bromocresol green Basic information | |
| Product Name: | Bromocresol green |
| CAS: | 76-60-8 |
| MF: | C21H14Br4O5S |
| MW: | 698.01 |
| EINECS: | 200-972-8 |
| Mol File: | 76-60-8.mol |
| Bromocresol green Chemical Properties | |
| Melting point | 225 °C |
| density | 0.79 g/mL at 20 °C |
| Fp | 12 °C |
| storage temp. | Store at RT. |
| solubility | Solubility Sparingly soluble in water; soluble in ethanol, ether |
| form | Powder/Solid |
| Boiling point | 626.0±55.0 °C(Predicted) |
| pka | 4.7(at 25ºC) |
| color | Pale orange |
| PH | 3.8~5.4 |
| PH Range | 3.8(YELLOW)-5.4(BLUE) |
| Water Solubility | slightly soluble |
| λmax | 423nm, 444nm, 617nm |
| Merck | 14,1386 |
| BRN | 372527 |
| Stability: | Stable. Incompatible with strong oxidizing agents. |
| CAS DataBase Reference | 76-60-8(CAS DataBase Reference) |
| EPA Substance Registry System | Bromcresol green (76-60-8) |
Testing Items | Specification | Testing Result |
PH color domain | 3.8(Yellow green)-5.4(Blue) | 3.8(Yellow green)-5.4(Blue) |
Maximum absorption wavelength(nm) λ1(PH 3.8) λ2 (PH 5.4) |
440~445 615~618 |
443 616 |
Mass absorption coefficient(L/cm·g) α1(λ1PH 3.8) α2(λ2PH 5.4)
|
24~28 53~58
|
24.5 53.6
|
Ethanol dissolution test
| Qualified
| Qualified
|
(sulfate) Burning residue ≤ | 0.25
| 0.21
|
Loss on drying≤ | 3.0 | 1.6 |
Conclusion Qualified | ||
