TBAHS
Tetrabutylammonium hydrogen sulfate
CAS: 32503-27-8
Molecular Formula: C16H37NO4S
TBAHS - Names and Identifiers
| Name | Tetrabutylammonium hydrogen sulfate |
| Synonyms | fate TBAHS en suL IPC-TBA-HS ammonium hydrog tetrabutylammonium sulfate Tetrabutylammonium bisulfate TETRABUTYLAMM.HYDROGENSULPHATE TETRABUTYLAMMONIUM HYDROGEN SULFATE Tetrabutylammonium hydrogen sulfate Tetrabutyl ammonium hydrogen sulfate TETRABUTYLAMMONIUM HYDROGEN SULPHATE TETRA-N-BUTYLAMMONIUM HYDROGENSULFATE Tetrabutylammonium bisulfate solution Tetra Butyl Ammonium Hydrogen Sulphate Tetra-n-butylammonium hydrogen sulphate TETRA-N-BUTYLAMMONIUM HYDROGEN SULPHATE Tetrabutylammonium bisulfate, Concentrate TetrabutylAmmoniumHydrogenSulfateForSynthesis Tetrabutylammonium Hydrogen Sulfate [Reagent for Ion-Pair Chromatography] |
| CAS | 32503-27-8 |
| EINECS | 251-068-5 |
| InChI | InChI=1/C16H36N.H2O4S/c1-5-9-13-17(14-10-6-2,15-11-7-3)16-12-8-4;1-5(2,3)4/h5-16H2,1-4H3;(H2,1,2,3,4)/q+1;/p-2 |
| InChIKey | SHFJWMWCIHQNCP-UHFFFAOYSA-M |
TBAHS - Physico-chemical Properties
| Molecular Formula | C16H37NO4S |
| Molar Mass | 339.53 |
| Density | 1.01 |
| Melting Point | 171-174°C |
| Boling Point | 213.3-593.92℃[at 101 325 Pa] |
| Water Solubility | Soluble |
| Solubility | H2O: soluble10% (w/v), clear, colorless |
| Vapor Presure | 0Pa at 25℃ |
| Appearance | White solid |
| Specific Gravity | 1.01 |
| Color | White to beige |
| Odor | Amine like |
| Maximum wavelength(λmax) | ['λ: 210 nm Amax: 0.06', , 'λ: 220 nm Amax: 0.05', , 'λ: 230 nm Amax: 0.03', , 'λ: 26 |
| BRN | 3599663 |
| PH | 1-2 (100g/l, H2O, 20℃) |
| Storage Condition | Store below +30°C. |
| Stability | Stable, but moisture sensitive. Incompatible with strong oxidizing agents. |
| Sensitive | Hygroscopic |
| MDL | MFCD00011637 |
| Physical and Chemical Properties | This product is white crystal, melting point 169~171 ℃. |
| Use | Used for ion pair chromatography |
TBAHS - Risk and Safety
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R22 - Harmful if swallowed |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S37/39 - Wear suitable gloves and eye/face protection |
| WGK Germany | 3 |
| FLUKA BRAND F CODES | 8-10 |
| TSCA | Yes |
| HS Code | 29239000 |
| Hazard Note | Irritant |
TBAHS - Reference
| Reference Show more | 1. [IF=4.539] Yizhi Zhao et al."Exploring graphene and graphene/nanoparticles as fillers to enhance atomic oxygen corrosion resistance of polyimide films."Colloid Surface A. 2021 Nov;629:127398 |
TBAHS - Reference Information
| pH indicator color change ph range | 1-2 |
| LogP | 0.96 at 25℃ |
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| overview | tetrabutyl quaternary ammonium salt is a phase transfer catalyst with superior performance. Tetrabutylammonium bisulfate buffer salt system is often used as the mobile phase of aqueous phase in reversed-phase liquid chromatography. However, the stability of tetrabutylammonium bisulfate buffer salt system gradually decreases with the increase of tetrabutylammonium bisulfate concentration. Tetrabutyl ammonium bisulfate buffered salt solution must be prepared for temporary use, and the use time should not exceed 6 hours (obvious turbidity can be seen when placed at room temperature for 8 hours), otherwise it will cause chromatographic peak drift or even salt precipitation in the pump or chromatographic column, resulting in damage to the pump and chromatographic column. |
| application | tetrabutylammonium bisulfate can be used as surfactant, catalyst, emulsifier, disinfectant, bactericide, antistatic agent, etc. Tetrabutyl ammonium bisulfate buffer salt system is often used as the mobile phase of aqueous phase in reversed-phase liquid chromatography detection, and can often produce excellent separation effect on some compounds with special structure and difficult separation. |
| uses | surfactants, catalysts, emulsifiers, disinfectants, fungicides, antistatic agents, etc determination of oxalic acid in plant tissues and root secretions by reversed-phase high performance liquid chromatography as a substance in aqueous solution system. Used as organic synthesis reagent and phase transfer catalyst. |
| production method | 185kg of iodobutane and 185kg of tributylamine are successively put into the reaction kettle, 500L acetonitrile is added as solvent, and heated and refluxed for 1 h under stirring. Cool to room temperature, add 140 kg of methyl bisulfate, and reflux for 8 h. The by-product iobutane is steamed out, and then acetonitrile is steamed out under reduced pressure. Add dilute hydrochloric acid to the residue for acidic hydrolysis, drive the hydrolysate into a distillation tower, first evaporate methanol and water, and then evaporate the product tetra-n-butylammonium bisulfate under reduced pressure. Use ethyl acetate to get a pure product. |
Last Update：2024-04-09 19:05:11
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