Description

t-Butyl bromide (2-Bromo-2-methylpropane) is a highly versatile alkyl halide with the molecular formula C₄H₉Br and CAS number 507-19-7. This compound is widely used in organic synthesis, particularly as an alkylating agent due to its reactive tertiary bromide structure. It is a clear, colorless to pale yellow liquid with a characteristic odor, offering excellent solubility in organic solvents such as ethanol, ether, and acetone while being immiscible with water. t-Butyl bromide is an essential reagent for nucleophilic substitution reactions, Grignard reagent preparation, and as a precursor in pharmaceutical and agrochemical intermediates. Packaged under strict quality control, our product ensures high purity (>98%) and consistency, making it ideal for research laboratories and industrial applications. Proper storage in a cool, dry, and well-ventilated area is recommended to maintain stability.

Properties

• CAS Number: 507-19-7
• Complexity: 25.1
• IUPAC Name: 2-bromo-2-methyl-propane
• InChI: InChI=1S/C4H9Br/c1-4(2,3)5/h1-3H3
• InChI Key: RKSOPLXZQNSWAS-UHFFFAOYSA-N
• Exact Mass: 135.98876
• Molecular Formula: C4H9Br
• Molecular Weight: 137.02
• SMILES: CC(C)(C)Br
• Monoisotopic Mass: 135.98876
• Physical Description: T-butyl bromide appears as a colorless liquid. Slightly denser than water and insoluble in water. Harmful if inhaled.
• Color/Form: Colorless liquid
• Boiling Point: 73.3 °C
• Melting Point: -16.2 °C
• Flash Point: 18.3 °C
• Solubility: Miscible with organic solvents
• Density: 1.2125 at 25 °C/4 °C
• Vapor Pressure: 135.0 [mmHg]
• Heat of Vaporization: 7.603 kcal/mol at 25 °C
• Refractive Index: Index of refraction = 1.4249 at 25 °C/D
• Synonyms: 2-Bromo-2-methylpropane, tert-Butyl bromide, 507-19-7, T-BUTYL BROMIDE, Trimethylbromomethane, 2-Bromoisobutane, Propane, 2-bromo-2-methyl-, Bromotrimethylmethane, Tertiarybutyl bromide, 2-methyl-2-bromopropane, 1,1-Dimethylethyl chloride, NSC 8418, CCRIS 107, HSDB 2196, tertbutyl bromide, 1,1-Dimethylethyl bromide, EINECS 208-065-9, 5LWO08435U, NSC-8418, BUTYL BROMIDE, TERT-, T-BUTYL BROMIDE [HSDB], DTXSID5060144, TERT-BUTYL BROMIDE [MI], 2Bromoisobutane, bromomethylpropane, 2Bromo2methylpropane, Propane, 2bromo2methyl, DTXCID9040897, 208-065-9, inchi=1/c4h9br/c1-4(2,3)5/h1-3h, tert-butylbromide, 2-Bromo-2-methyl-propane, 1-Bromo-1,1-dimethylethane, MFCD00000125, tertbutylbromide, UNII-5LWO08435U, tert. butylbromide, tert.-butylbromide, tert.butyl bromide, Butylbromide, tert-, tert-C4H9Br, tertiary-butyl bromide, 2-bromo-2methyl-propane, 2-Bromo-2-methyl propane, 2-bromanyl-2-methyl-propane, SCHEMBL22538, SCHEMBL69374, CHEMBL347644, SCHEMBL1756139, SCHEMBL1879224, SCHEMBL6775241, 2-Bromo-2-methylpropane, 98%, NSC8418, WLN: EX1&1&1, AAA50719, STR04155, SBB060197, STL282745, AKOS009031116, RP10166, DB-021214, B0617, NS00032129, ST51046428, EN300-21275, A828265, Q256982, 2-Bromo-2-methylpropane, purum, >=97.0% (GC), F0001-1326, tert-Butyl bromide, 98+%, stab. with potassium carbonate

Application

t-Butyl bromide is primarily employed as an alkylating agent in organic synthesis, facilitating the introduction of the tert-butyl group into target molecules. It serves as a key intermediate in the preparation of pharmaceuticals, agrochemicals, and specialty chemicals via nucleophilic substitution reactions. Researchers also utilize it in the synthesis of Grignard reagents and as a building block for complex organic frameworks. Its reactivity makes it valuable in polymerization initiators and catalyst systems.

Safety and Hazards

GHS Hazard Statements

• H225 (98%): Highly Flammable liquid and vapor [Danger Flammable liquids]

Precautionary Statements

• P210, P233, P240, P241, P242, P243, P280, P303+P361+P353, P370+P378, P403+P235, and P501

Hazard Classes and Categories

• Flam. Liq. 2 (98%)

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Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.