S6FO6931N7 4430-25-5 Tetrabromophenol blue Benzenesulfonic acid, 2-(bis(3,5-dibromo-4-hydroxyphenyl)hydroxymethyl)-3,4,5,6-tetrabromo- (9CI) Phenol, 4,4'-(4,5,6,7-tetrabromo-1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis(2,6-dibromo- 4,4'-(4,5,6,7-Tetrabromo-3H-2,1-benzoxathiol-3-ylidene)bis(2,6-dibromophenol) S,S-dioxide CCRIS 5488 EINECS 224-622-9 NSC 11236 3',3'',5',5''-Tetrabromophenol-4,5,6,7-tetrabromosulfonephthalein Tetrabromphenol tetrabromsulfonphthalein UNII-S6FO6931N7 CAS 4430-25-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 4430-25-5 |
| Molecular Formula | C19H24Br8O5S |
| Molecular Weight | 1003.69 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
S6FO6931N7 4430-25-5 Tetrabromophenol blue Benzenesulfonic acid, 2-(bis(3,5-dibromo-4-hydroxyphenyl)hydroxymethyl)-3,4,5,6-tetrabromo- (9CI) Phenol, 4,4'-(4,5,6,7-tetrabromo-1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis(2,6-dibromo- 4,4'-(4,5,6,7-Tetrabromo-3H-2,1-benzoxathiol-3-ylidene)bis(2,6-dibromophenol) S,S-dioxide CCRIS 5488 EINECS 224-622-9 NSC 11236 3',3'',5',5''-Tetrabromophenol-4,5,6,7-tetrabromosulfonephthalein Tetrabromphenol tetrabromsulfonphthalein UNII-S6FO6931N7 (CAS 4430-25-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C19H24Br8O5S. Molecular weight: 1003.69 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C19H24Br8O5S |
| Molecular Weight | 1003.69 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
Recommended Standards
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