Tetrabromomethane

Manufactured by Merck Group

Tetrabromomethane, also known as carbon tetrabromide, is a colorless, crystalline chemical compound. It is used as a laboratory reagent and as a source of bromine in various chemical reactions.

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Lab products found in correlation

4 protocols using tetrabromomethane

Synthesis of Enriched Silica and Titania Nanoparticles

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SiO₂ (Aerosil 200, Degussa, 180 m²/g, aggregated nanoparticles of ~12 nm diameter) and TiO₂ (St-Gobain Norpro, anatase phase, 150 m²/g) were used as main oxide precursors. The porous TiO₂ precursor, initially in the form of cylindrical monoliths (~1 cm long, ~0.3 mm diameter), was pre-ground into a fine powder using an agate mortar and pestle before use. A quartz phase (BCR-066; particle size: 0.35 – 3.5 μm) was also enriched once in ¹⁷O for comparison to Aerosil (Figure S2b). ¹⁷O-enriched water was purchased from CortecNet. The isotope composition of this water is ~ 90.4 % of ¹⁷O. TEKPol and d₂-tetrachloroethane were purchased from Cortecnet. Tetrabromomethane was purchased from Sigma-Aldrich.
Ball milling experiments were carried out either using a Retsch Mixer Mill 400 (MM400) apparatus or a Fritsch P23 vertical mixer mill. For the P23 mixer mill, the hardened stainless steel jar and balls were used. For the MM 400 mixer mill, the stainless steel jar with a screw-top lid (used in LAG) or push-fit lid (used in dry milling) and balls were used.

Chen C., Mentink‐Vigier F., Trébosc J., Goldberga I., Gaveau P., Thomassot E., Iuga D., Smith M.E., Chen K., Gan Z., Fabregue N., Métro T., Alonso B, & Laurencin D. (2021). Labeling and Probing the Silica Surface Using Mechanochemistry and 17O NMR Spectroscopy. Chemistry (Weinheim an Der Bergstrasse, Germany), 27(49), 12574-12588.

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Synthesis of Carbohydrate Derivatives

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Methyl α-d-glucopyranoside (≥99%), tetrabromomethane (99%), triphenylphosphine (99%), anhydrous pyridine (99.8%), sodium dicyanamide (96%), trimethylamine 31–35 wt.% in ethanol solution, and Ludox^® HS-40 colloidal silica (40 wt.% suspension in H₂O) were commercial materials purchased from Sigma-Aldrich. Potassium tricyanomethanide (98%) and potassium tetracyanoborate (97%) were acquired from Strem, Newburyport, MA, USA and SelectLab Chemicals, Münster, Germany respectively. Silver nitrate (99.9%) was received from POCH, Gliwice, Poland. N-(6-Deoxy-1-O-methoxy-α-d-glucopyranoside)-N,N,N-trimethylammonium bromide was synthesized according to a previously described procedure [5 (link)].

Brzęczek-Szafran A., Gaida B., Blacha-Grzechnik A., Matuszek K, & Chrobok A. (2021). Bioderived Ionic Liquids and Salts with Various Cyano Anions as Precursors for Doped Carbon Materials. International Journal of Molecular Sciences, 22(19), 10426.

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Solid-State NMR Characterization of Oxides

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Reagents and equipment: SiO₂ (Aerosil 200, Degussa, 180 m²/g, aggregated nanoparticles of ≈12 nm diameter) and TiO₂ (St‐Gobain Norpro, anatase phase, 150 m²/g) were used as main oxide precursors. The porous TiO₂ precursor, initially in the form of cylindrical monoliths (≈1 cm long, ≈0.3 cm diameter), was pre‐ground into a fine powder using an agate mortar and pestle before use. A quartz phase (BCR‐066; particle size: 0.35–3.5 μm) was also enriched once in ¹⁷O for comparison to Aerosil (Figure S2b). ¹⁷O‐enriched water was purchased from CortecNet. The isotope composition of this water is ≈90.4 % of ¹⁷O. TEKPol and d₂‐tetrachloroethane were purchased from Cortecnet. Tetrabromomethane was purchased from Sigma‐Aldrich.
Ball milling experiments were carried out either using a Retsch Mixer Mill 400 (MM400) apparatus or a Fritsch P23 vertical mixer mill. For the P23 mixer mill, the hardened stainless steel jar and balls were used. For the MM 400 mixer mill, the stainless steel jar with a screw‐top lid (used in LAG) or push‐fit lid (used in dry milling) and stainless steel balls were used.

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Synthesis and Characterization of C60 Derivatives

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C₆₀ fullerene, 8-bromo-1-octanol, malonyl chloride, 4-hydroxy-TEMPO, iodine, 9,10-dimethylanthracene (DMA), tetrabromomethane, benzyl alcohol, 4-methoxybenzyl alcohol, cyclohexanol, allyl alcohol, diphenylmethanol, 1-phenylethanol, toluene, and n-hexane were purchased from Sigma-Aldrich. 1,8-Diazabicyclo[5.4.0]undec-7-ene (DBU), ethyl malonyl chloride, potassium thioacetate, silica gel 70–230 mesh, and gold powder spherical 0.5–0.8 μm S.A. 0.45–0.7 m²/g were obtained from Alfa Aesar. Sodium sulfate, acetonitrile, triethylamine, methylene chloride, dimethylformamide, and ethyl acetate were purchased from POCh (Poland). Methylene chloride, dimethylformamide, and toluene were dried and purified before use according to standard procedures. Other solvents were HPLC or analytical grade reagents and were used as received.

Piotrowski P., Pawłowska J., Sadło J.G., Bilewicz R, & Kaim A. (2017). TEMPO functionalized C60 fullerene deposited on gold surface for catalytic oxidation of selected alcohols. Journal of Nanoparticle Research, 19(5), 161.

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