1-Bromobutane
1-Bromobutane
CAS: 109-65-9
Molecular Formula: C4H9Br
1-Bromobutane - Names and Identifiers
| Name | 1-Bromobutane |
| Synonyms | 1-Brombutan Bromobutane bromo butane BUTYL BROMIDE 1-BROMOBUTANE 1-bromo-butan N-Bromobutane 1-Bromobutane 1-butylbromide Butane, bromo- N-BUTYL BROMIDE Butane,1-bromo- n-Butyl bromide (4-bromobutoxy)benzene 1-BroMobutane, Reagent |
| CAS | 109-65-9 |
| EINECS | 203-691-9 |
| InChI | InChI=1/C10H13BrO/c11-8-4-5-9-12-10-6-2-1-3-7-10/h1-3,6-7H,4-5,8-9H2 |
| InChIKey | MPPPKRYCTPRNTB-UHFFFAOYSA-N |
1-Bromobutane - Physico-chemical Properties
| Molecular Formula | C4H9Br |
| Molar Mass | 137.02 |
| Density | 1.276g/mLat 25°C(lit.) |
| Melting Point | -112 °C |
| Boling Point | 100-104°C(lit.) |
| Flash Point | 23 °C |
| Water Solubility | 0.608 g/L (30 ºC) |
| Solubility | 0.6g/l |
| Vapor Presure | 150 mm Hg ( 50 °C) |
| Vapor Density | 4.7 (vs air) |
| Appearance | Liquid |
| Color | Clear colorless to light yellow |
| Odor | characteristic odor |
| Merck | 14,1553 |
| BRN | 1098260 |
| Storage Condition | Store below +30°C. |
| Stability | Stable. Flammable - note low flash point. Incompatible with strong oxidizing agents, strong bases. |
| Explosive Limit | 2.8-6.6%, 100°F |
| Refractive Index | n20/D 1.439(lit.) |
| Physical and Chemical Properties | This product is colorless, transparent and aromatic liquid, M.P.-112 ℃, B. p.100 ~ 104 ℃,n20D 1.4390, relative density 1.276,f. P.75f (23 ℃), insoluble in water, soluble in alcohol, ether and chloroform and other organic solvents. |
| Use | Used as pharmaceutical, dye, pesticide intermediates |
1-Bromobutane - Risk and Safety
| Risk Codes | R11 - Highly Flammable R36/37/38 - Irritating to eyes, respiratory system and skin. R51/53 - Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R10 - Flammable |
| Safety Description | S16 - Keep away from sources of ignition. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S60 - This material and its container must be disposed of as hazardous waste. S37/39 - Wear suitable gloves and eye/face protection |
| UN IDs | UN 1126 3/PG 2 |
| WGK Germany | 2 |
| RTECS | EJ6225000 |
| TSCA | Yes |
| HS Code | 29033036 |
| Hazard Class | 3 |
| Packing Group | II |
| Toxicity | LD50 orally in Rabbit: 2761 mg/kg |
1-Bromobutane - Nature
Open Data Verified Data
colorless liquid. Relative density 1. 276~279(20 ℃), melting point -112.4 ℃. Boiling point 101.6 °c. Boiling range (95% distillation) 100~120 deg C. Refractive index 1. 4398 (20 °c). Insoluble in water, soluble in alcohol, ether. Stable nature, but easy to fire at room temperature.
Last Update：2025-06-10 22:55:16
1-Bromobutane - Preparation Method
Open Data Verified Data
1. Bromination of n-butanol
2. Sulfuric acid catalytic method
Last Update：2022-01-01 10:14:45
1-Bromobutane - Application
Open Data Verified Data
It is used in the synthesis of the anesthetic tetracaine hydrochloride and also in the production of dyes and fragrances.
Last Update：2025-08-19 16:24:40
1-Bromobutane - Safety
Open Data Verified Data
This product is toxic and can stimulate the skin. 250kg iron drum packaging. See 2-bromopropane.
Last Update：2022-01-01 10:14:46
1-Bromobutane - Reference Information
| LogP | 2.75 |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Introduction | bromobutane is an important fine chemical product, mainly used in organic synthesis as an alkylating agent; it is an intermediate of the bactericide dimethiol and dimethiol; Organic phosphine compound tributylphosphine, phase transfer catalyst and surfactant tetra-n-butyl ammonium bromide. It is also used as a solvent, a rare element extractant, a raw material for the synthesis of pesticides, pharmaceuticals, dyes, spices, and a refrigerant and a solvent. |
| Use | 1-bromobutane is an intermediate of the bactericides dimethiol and dithiol. It is used in the synthesis of the anesthetic tetracaine hydrochloride and also in the production of dyes and fragrances. used as a rare element extractant, hydrocarbon agent and organic synthesis raw materials, can also be used as raw materials for medicine, dyes and spices used as a rare element extractant, hydrocarbon agent and organic synthesis raw materials, it can also be used as the raw material of medicine, dye and perfume. It is used as the intermediate of medicine, dye and pesticide for the synthesis of anesthetic tetracaine hydrochloride, and also for the production of dye and perfume. |
| production method | derived from the interaction of n-butanol with bromine in the presence of red phosphorus; or from n-butanol in the presence of sulfuric acid and hydrobromic acid reaction. The mixture was mixed with n-butanol and hydrobromic acid, and sulfuric acid was added dropwise. The reaction was heated under reflux for 1.5h. The crude bromobutane was distilled, washed with water to pH 6-7, and dehydrated with anhydrous calcium chloride. The preparation method is to stir n-butanol, sodium bromide, water and sulfuric acid evenly, heat reflux for 3H, distill crude bromobutane, wash with water, and treat with cold concentrated sulfuric acid, distillation was performed to obtain the finished product. Reaction equation: CH3CH2CH2CH2OH NaBr H2SO4 → CH3CH2CH2CH2Br Na2SO4 |
| category | flammable liquid |
| toxicity grade | poisoning |
| Acute toxicity | intraperitoneal-rat LD50: 4450 mg/kg; Intraperitoneal-mouse LD50: 1424 mg/kg |
| explosive hazard characteristics | explosive when mixed with air |
| flammability hazard characteristics | in case of fire, high temperature, oxidant flammable; hyperthermic decomposition of toxic bromide gas |
| storage and transportation characteristics | The warehouse is ventilated and dried at low temperature; It is stored separately from the oxidant |
| extinguishing agent | dry powder, dry sand, carbon dioxide, foam, 1211 extinguishing agent |
| spontaneous combustion temperature | 509 ° F. |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-10 22:29:15
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