Bromocresol Purple, cas no.: 115-40-2 manufacturer in China. Bulk quantity can be offered by factory production, small quantity size can be offered by laboratory production.
| PRODUCT DETAILS | |
| BASIC INFO | |
| CAS NO.: | 115-40-2 |
| Product Code: | BCP02 |
| Synonyms: | 2-bromo-4-[3-(3-bromo-4-hydroxy-5-methylphenyl)-1,1-dioxo-2,1λ6-benzoxathiol-3-yl]-6-methylphenol; 5,5'-Dibromo-o-cresolsulfonphthalein; 3,3-Bis(3-bromo-4-hydroxy-5-methylphenyl)-3H-benzo[c][1,2]oxathiole 1,1-dioxide; Bromocresol purple; Bromcresol purple sultone form; |
| Formula: | C21H16Br2O5S |
| Molecular Weight: | 537.909 |
| PROPERTIES | |
| Appearance: | Rose Red Crystalline Powder |
| Melting Point: | 245℃ |
| Boiling Point: | 225 ℃ |
| Flash Point: | 332.4℃ |
| Water Solubility: | Practically insoluble |
| Stability: | Stable. Incompatible with strong oxidizing agents. |
| SAFTY INFO | |
| Safety Statements: | S26-S37/39 |
| HS Code: | 2907129000 |
| WGK Germany: | 3 |
| RIDADR: | UN 1933 3/PG 3 |
| Risk Statements: | R36/37/38 |
| Hazard Codes: | Xi:Irritant |
| USE&STORAGE | |
| Use: | It is used as an indicator. Also can be used in medical laboratories to measure albumin, and as an addition to acid stop baths used in photographic processing as an indicator that the bath has reached neutral pH and needs to be replaced. |
| Storage: | Store at RT. |
| COA | |
| Appearance: | Pale Yellow Crystalline Powder |
| PH 5.2 - 6.8: | Light Yellow - Purple Red |
| Mass Absorption Wavelength (nm): | λ1 ( PH 5.2 ) 432 - 440 |
| λ2 ( PH 6.8 ) 588 - 590 | |
| Loss on Drying: | ≤ 0.5% |
| Residue on Ignition: | ≤ 0.1% |
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