HOECHST 33258
Synonym(s):2′-(4-Hydroxyphenyl)-5-(4-methyl-1-piperazinyl)-2,5′-bi(1H-benzimidazole) trihydrochloride;2-[2-(4-Hydroxyphenyl)-6-benzimidazoyl]-6-(1-methyl-4-piperazyl)benzimidazole trihydrochloride;BBIH;BXI-72;
- CAS NO.：23491-44-3
- Empirical Formula: C25H24N6O
- Molecular Weight: 424.5
- MDL number: MFCD00044760
- EINECS: 245-689-0
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-12-31 14:38:37
What is HOECHST 33258?
Chemical properties
yellow solid
Definition
ChEBI: Pibenzimol is a bibenzimidazole and a N-methylpiperazine. It has a role as a fluorochrome and an anthelminthic drug.
Properties of HOECHST 33258
| Melting point: | 314 °C |
| Boiling point: | 746.9±70.0 °C(Predicted) |
| Density | 1.355±0.06 g/cm3(Predicted) |
| storage temp. | −20°C |
| solubility | H2O: 10 mg/mL |
| form | powder |
| pka | 9.23±0.15(Predicted) |
| color | Light yellow to yellow |
| Stability: | Stable. Incompatible with strong oxidizing agents. Light sensitive. |
| EPA Substance Registry System | Phenol, 4-[5-(4-methyl-1-piperazinyl)[2,5'-bi-1H-benzimidazol]-2'-yl]- (23491-44-3) |
Safety information for HOECHST 33258
Computed Descriptors for HOECHST 33258
New Products
Mirtazapine Impurity C/Mirtazapine Lactam Impurity Cyclopropane-1,1-dicarboxylic acid [1]Benzothieno[2,3-c]pyridine, 1,7-dichloro-8-methyl- (S)-3-Fluoro-pyrrolidine hydrochloride Cyclobutylamine 1-Bromo-2-Methoxy-3-Nitrobenzene 3-Oxocyclobutane-1-carboxylicacid (4-Bromophenyl)(3,4-dimethoxyphenyl)methanone N-Nitroso hydroxy Cetrizine EP Impurity-A Noradrenaline EP Impurity D/Noradrenaline Methyl Ether Cetirizine EP Impurity A/Cetirizine CBHP Impurity Lantanoprost rc B Clidinium Bromide Impurity 2-chloro-7-cyclopentyl-N,N-dimethylpyrrolo [2,3-d]pyrimidine-6-carbox amide 4-amino-2-fluoro-N- methylbenzamide N-(2-chloropyrimidin-4-yl)-N,2,3- trimethyl-2H- indazol 6-amine 5-Chloro-3- Methyl -1,3-2-benzoxazol-2(3H)-one 4-Bromo-2-fluoro-N-methylbenzamide N-Boc-1,4-butanediamine 4-Dimethylamino pyridine 2-Chlorotrityl Chloride 4-Bromoaniline 5-Bromo-2-chlorobenzoic acid 1,2,3,9-Tetrahydro-4(H)-carbazol-4-oneRelated products of tetrahydrofuran
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