| Member | Definition | Role |
|---|
| 1-methyl-3-octylimidazolium chloride | An organic chloride salt in which the cationic component is 3-methyl-1-octylimidazolium. | 3-methyl-1-octylimidazolium chloride |
| 4-anisyltetrazolium blue | An organic chloride salt having tetrazolium blue(1+) as the counterion. | tetrazolium blue |
| acriflavine chloride | The 10-methochloride salt of 3,6-diaminoacridine. Note that a mixture of this compound with 3,6-diaminoacridine (proflavine) is known as acriflavine or neutral acriflavine. | 3,6-diamino-10-methylacridinium chloride |
| alcian yellow | An organic chloride salt composed of {diazenediylbis[(4,1-phenylene)(6-methyl-1,3-benzothiazole-2,5-diyl)methylenesulfanediyl]}bis[(dimethylamino)-N,N-dimethylmethaniminium] and chloride ions in a 1:2 ratio. | alcian yellow |
| ambenonium chloride | A symmetrical oxalamide-based bis-quaternary ammonium salt having ethyl and 2-chlorobenzyl groups attached to the nitrogens. | ambenonium chloride |
| basic blue k | An iminium salt composed of 4-{[4-(dimethylamino)phenyl][4-(ethylamino)naphthalen-1-yl]methylidene}-N,N-dimethylcyclohexa-2,5-dien-1-iminium and chloride ions in a 1:1 ratio. | victoria blue R |
| calmidazolium | The organic choride salt of calmidazolium. | calmidazolium chloride |
| cetylpyridinium chloride anhydrous | A pyridinium salt that has N-hexadecylpyridinium as the cation and chloride as the anion. It has antiseptic properties and is used in solutions or lozenges for the treatment of minor infections of the mouth and throat. | cetylpyridinium chloride |
| chloride of pseudoisocyanine | | 1,1'-diethyl-2,2'-cyanine chloride |
| dequalinium chloride | An organic chloride salt that is the dichloride salt of dequalinium. | dequalinium chloride |
| diphenyleneiodium chloride | An organic chloride salt having dibenziodolium as the counterion. | dibenziodolium chloride |
| ethyl violet | An organic chloride salt that is the monochloride salt of ethyl violet cation. Used for inclusion in mixed dye solutions of the iron resorcin fuchsin type for demonstrating elastic fibres. | ethyl violet |
| gentian violet | An organic chloride salt that is the monochloride salt of crystal violet cation. It has been used in creams for the topical treatment of bacterial and fungal infections, being effective against some Gram-positive bacteria (notably Staphylococcus species) and some pathogenic fungi (including Candida species) but use declined following reports of animal carcinogenicity. It has also been used for dying wood, silk, and paper, as well as a histological stain. | crystal violet |
| guanidine hydrochloride | | guanidinium chloride |
| iodonitrotetrazolium | An organic chloride salt having iodonitrotetrazolium as the counterion. | iodonitrotetrazolium chloride |
| janus green b | | Janus Green B chloride |
| malachite green | An organic chloride salt that is the monochloride salt of malachite green cation. Used as a green-coloured dye, as a counter-stain in histology, and for its anti-fungal properties in aquaculture. | malachite green |
| methylene blue | An organic chloride salt having 3,7-bis(dimethylamino)phenothiazin-5-ium as the counterion. A commonly used dye that also exhibits antioxidant, antimalarial, antidepressant and cardioprotective properties. | methylene blue |
| methylene green | An organic chloride salt having 3,7-bis(dimethylamino)-4-nitrophenothiazin-5-ium as the counterion. It stains nuclei green and is sometimes used as a counterstain to red or purple primary stains. | methylene green |
| mitotracker orange | | mitoTracker Orange |
| pathilon | | tridihexethyl chloride |
| phenosafranine | An organic chloride salt having 3,7-diamino-5-phenylphenazin-5-ium as the counterion. It is commonly used for staining Gram negative bacteria red in smears to contrast with the blue Gram positive organisms. | phenosafranine |
| pralidoxime chloride | | pralidoxime chloride |
| pyronine | An organic chloride salt having 6-(dimethylamino)-N,N-dimethyl-3H-xanthen-3-iminium as the cation. Used with methyl green to selectively demonstrate RNA (red) in contrast to DNA (green) with the Unna-Pappenheim method. | pyronin Y |
| pyronine b | An organic chloride salt having 6-(diethylamino)-N,N-diethyl-3H-xanthen-3-iminium as the cation. Depending on the mode of manufacture, pyronin B also exists in the form of an FeCl3 complex. | pyronin B |
| rhodamine 123 | | rhodamine 123 |
| rhodamine 123 | | rhodamine 123 |
| rhodamine b | An organic chloride salt having N-[9-(2-carboxyphenyl)-6-(diethylamino)-3H-xanthen-3-ylidene]-N-ethylethanaminium as the counterion. An amphoteric dye commonly used as a fluorochrome. | rhodamine B |
| safranine t | An organic chloride salt having 3,7-diamino-2,8-dimethyl-5-phenylphenazin-5-ium as the counterion. It is commonly used for staining Gram negative bacteria. | safranin O |
| tetrabutylammonium chloride | An organic chloride salt comprising of a tetrabutylammonium cation and chloride anion. | tetrabutylammonium chloride |
| tetraethylammonium chloride | A quarternary ammonium chloride salt in which the cation has four ethyl substituents around the central nitrogen. | tetraethylammonium chloride |
| tetrazolium violet | An organic chloride salt having tetrazolium violet(1+) as the counterion. | tetrazolium violet |
| thiamine | | thiamine(1+) chloride |
| thiamine monophosphate | An organic chloride salt of thiamine(1+) monophosphate. | thiamine(1+) monophosphate chloride |
| thiamine pyrophosphate | An organic chloride salt of thiamine(1+) diphosphate. | thiamine(1+) diphosphate chloride |
| thioflavin t | An organic chloride salt having 2-[4-(dimethylamino)phenyl]-3,6-dimethyl-1,3-benzothiazol-3-ium as the counterion. It is widely used to visualise and quantify the presence of amyloids, both in vitro and in vivo. | thioflavine T |
| triphenyltetrazolium chloride | An organic chloride salt having 2,3,5-triphenyltetrazolium as the counterion. | 2,3,5-triphenyltetrazolium chloride |
| victoria blue 4r | An iminium salt composed of 4-([4-(dimethylamino)phenyl]{4-[methyl(phenyl)amino]naphthalen-1-yl}methylidene)-N,N-dimethylcyclohexa-2,5-dien-1-iminium and chloride ions in a 1:1 ratio. It binds to nucleic acids and can be used in standardised staining techniques suitable for automated cell-pattern recognition. | victoria blue 4R |
| victoria blue b | An iminium salt composed of 4-{(4-anilinonaphthalen-1-yl)[4-(dimethylamino)phenyl]methylidene}-N,N-dimethylcyclohexa-2,5-dien-1-iminium and chloride ions in a 1:1 ratio. It binds to nucleic acids and can be used in standardised staining techniques suitable for automated cell-pattern recognition. | victoria blue B |