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Tetrabutylammonium Hydroxide CAS#2052-49-5
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Chemical Name：Tetrabutylammonium Hydroxide
CAS No.: 2052-49-5
Molecular Formula：C16H37NO
Molecular weight:259.47
Sample: Available
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Tetrabutylammonium Hydroxide CAS#2052-49-5
At room temperature, it is a white crystalline powder with a fine crystal structure. It is hygroscopic and readily deliquesces into a paste when exposed to air. Due to the extremely strong hygroscopicity of pure products, they are mostly supplied in the form of aqueous solutions or alcohol solutions (such as methanol and ethanol solutions) in industry, with concentrations typically ranging from 10% to 50%.
Product Name: | Tetrabutylammonium hydroxide |
Synonyms: | 1-Butanaminium,N,N,N-tributyl-,hydroxide;1-ButanaminiumN,N,N-tributyl-,hydroxide;aqueoussolution;n,n,n-tributyl-1-butanaminiuhydroxide;TBAOH (40% in Water);n,n,n-tributyl-1-butanaminiumhydroxide;IPC-TBA-OH;Tetrabutylammonium Hydroxide (10% in Methanol) [for non-aqueous titration] |
CAS: | 2052-49-5 |
MF: | C16H37NO |
MW: | 259.47 |
EINECS: | 218-147-6 |
Product Categories: | quarternary ammonium bases;Ion-pair Reagents;AnionicHPLC;Chromatography/CE Reagents;Ion Pair;Ion Pair Reagents;Ammonium Hydroxides (Quaternary);Analytical Chemistry;HPLC Ion-Pair Reagents for Acidic Samples;Volumetric Solutions;Ion Pair Reagents - Anionic Concentrate;Ion Pair Reagents - Anionic;Reagent Grade;metal hydroxide;By Reference Material;Reference Material Perchloric acidVolumetric Solutions;AmmoniumChemical Synthesis;Chemical Synthesis;Ionic Liquids;Organic Bases;Synthetic Reagents;Organic BasesVolumetric Solutions;ACS GradeChemical Synthesis;Essential Chemicals;Routine Reagents;S - Z;Base Solutions;Titration;Organic BasesEssential Chemicals;Reagent GradeVolumetric Solutions;Ion-Pair Reagents for HPLC;Quaternary Ammonium Compounds;S - ZTitration;Solutions for non-aqueous titrations;Salt Solutions |
Mol File: | 2052-49-5.mol |
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Tetrabutylammonium hydroxide Chemical Properties |
Melting point | 27-30 °C(lit.) |
Boiling point | 100 °C |
density | 0.995 |
vapor density | 1 (vs air) |
vapor pressure | 2.3 kPa (@ 20°C) |
refractive index | 1.4 |
Fp | 7°C |
storage temp. | Store below +30°C. |
solubility | Miscible with organic solvents. |
form | Solution |
color | APHA: ≤30 |
Specific Gravity | 0.8586 |
Odor | Odorless |
PH | 14 (20°C in H2O) |
PH Range | 14 |
explosive limit | 5.5-36.5% (v/v) Methanol) |
Water Solubility | Soluble in water, methanol. |
Sensitive | Air Sensitive/Hygroscopic |
BRN | 3571228 |
Exposure limits | ACGIH: TWA 200 ppm; STEL 250 ppm (Skin) |
Stability: | Volatile |
InChIKey | VDZOOKBUILJEDG-UHFFFAOYSA-M |
LogP | 1.517 at 25℃ |
CAS DataBase Reference | 2052-49-5(CAS DataBase Reference) |
EPA Substance Registry System | 1-Butanaminium, N,N,N-tributyl-, hydroxide (2052-49-5) |
Product Usage
Tetrabutylammonium hydroxide(TBAOH) is a quaternary ammonium salt mainly used as a strong base and phase-transfer catalyst. TBAOH may be used as an ion-pairing reagent in mobile phase preparation for reverse phase ion-pair high performance liquid chromatography during chromium (III) and chromium (VI) determination.
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