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
DL-beta-(3-Bromophenyl)alanine 1-Aminocyclopentane carbonitrile (RS)-beta-Amino-beta-(4-bromophenyl)propionic acid N,N CARBONYL DIIMIDAZOLE 2-Amino-5-bromo-4-(trifluoromethyl)pyridine（RM for Indian lab) Benzyl (3R,4S)-3-(2-bromoacetyl)-4-ethylpyrrolidine-1-carboxylate Amlodipine EP Impurity-C Budesonide Impurity-K/Budesonide 21-Acetate (Epimers) Gabapentine Impurity 72 Bicalutamide Impurity-B Betahistine EP Impurity C Carbamazepine EP Impurity G 2,2'-(5-methyl-1,3-phenylene)-di(2-Methylpropionitrile) 4-Fluorothiophenol 1-methyl amino-2,4-dinitro benzene 5-Methyl-1,3-benzenediacetonitrile (R)-BoroLeu-(+)-Pinanediol-CF3COOH 4-(5-amino-1-methyl-1h-benzoimidazol-2-yl)-butyric acid isopropyl ester. 3-Hydroxypropionitrile 4-Bromo Benzylcyanide valeronitrile 3,4 Dimethoxy Benzylcyanide 3-chlorobenzyl cyanide 2-Chloro BenzylcyanideRelated products of tetrahydrofuran
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