CAS number：109-65-9
molecular formula：C4H9Br
molecular weight：137.02
EINECS number：203-691-9
N-BUTYL BROMIDE;BUTYL BROMIDE;1-Brombutan;1-bromo-butan;1-BROMOBUTANE;1-BroMobutane, Reagent;1-BroMobutane, 98+%, 98+%;1-bromobutane/ butyl bromide
Organic solvents; organic building blocks; halogenated hydrocarbons; organic bromides; gas chromatography standard (color code); organic synthesis; biochemical reagents; organic chemical raw materials; alkanes; organic raw materials; halides; pesticide intermediates; other types of fungicides ; Fungicide intermediates; Alkanes; Standards; Analytical standards; Other biochemical reagents; Intermediates; Chemical products-organic chemical industry; Organic intermediates; Fluoride; Raw materials; Inorganic substances; Compounds;Alkyl Bromides;Monofunctional & alpha,omega-Bifunctional Alkanes;Monofunctional Alkanes;Dyestuff Intermediates;Chemical Raw Materials;Brominated Alkanes;Catalyst Corrosion Inhibitor;Chemical
Bromobutane is an important fine chemical product, mainly used as an alkylating agent in organic synthesis; it is an intermediate of fungicides pyrimol and pyrithrimol; organic phosphine compound tributylphosphine, phase transfer Catalyst and Surfactant Tetra-n-butylammonium bromide. It is also used as a solvent, a rare element extractant, a raw material for the synthesis of pesticides, medicines, dyes, and spices, and can also be used as a refrigerant and solvent.
| Melting point | -112 °C |
| Boiling point | 100-104 °C(lit.) |
| Density | 1.276 g/mL at 25 °C(lit.) |
| Vapour density | 4.7 (vs air) |
| Vapor Pressure | 150 mm Hg ( 50 °C) |
| Refractive index | n20/D 1.439(lit.) |
| Flash point | 23 °C |
| Storage conditions | Store below +30°C. |
| Solubility | 0.6g/l |
| Shape | Liquid |
| Color | Clear colorless to light yellow |
Odor | characteristic odor |
Explosive limit | 2.8-6.6%, 100°F |
| Water solubility | 0.608 g/L (30 ºC) |
Merck | 14,1553 |
BRN | 1098260 |
| Stability | Stable. Flammable - note low flash point. Incompatible with strong oxidizing agents, strong bases. |
InChIKey | MPPPKRYCTPRNTB-UHFFFAOYSA-N |
LogP | 2.75 |
| CAS database | 109-65-9(CAS DataBase Reference) |
This product is colorless and transparent liquid with aroma, m.p.-112℃, b.p.100～104℃, n20D 1.4390, relative density 1.276, f.p.75℉(23℃), insoluble in water, soluble in alcohol, ether and chloroform and other organic solvent.
● 1-Bromobutane is an intermediate of the fungicides pyrimol and pyrimol.
● It is used in the synthesis of tetracaine hydrochloride, an anesthetic, and also in the production of dyes and spices.
● It can be used as rare element extraction agent, alkylation agent and organic synthesis raw material, and can also be used as raw material of medicine, dye and spice
● Used as rare element extractant, alkylating agent and organic synthesis raw material, also used as raw material of medicine, dye and spice, used as intermediate of medicine, dye and pesticide, used for synthesizing anesthetic tetracaine hydrochloride, and also used for producing dye and spices.
● From n-butanol in the presence of red phosphorus and bromine; or from n-butanol in the presence of sulfuric acid and hydrobromic acid. Mix n-butanol and hydrobromic acid, add sulfuric acid dropwise, heat and reflux for 1.5h, distill to obtain crude bromobutane, wash with water until the pH is 6-7, and dehydrate with anhydrous calcium chloride.
● Its preparation method is to mix n-butanol, sodium bromide, water and sulfuric acid evenly, heat to reflux for 3 hours, steam out the crude bromobutane, wash with water, treat with cold concentrated sulfuric acid, and carry out distillation to obtain the finished product. Reaction equation: CH3CH2CH2CH2OH+NaBr+H2SO4→CH3CH2CH2CH2Br+Na2SO4+H2O
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