对溴茴香醚
4-Bromoanisole
CAS: 104-92-7
Molecular Formula: C7H7BrO
对溴茴香醚 - Names and Identifiers
| Name | 4-Bromoanisole |
| Synonyms | 4-BROMO ANISOL 4-Bromoanisole p-Bromoanisole BROMOANISOLE(4-) Anisole, p-bromo- 4-Bromomethoxybenzene 4-Methoxybromobenzene p-methoxyphenylbromide 4-methoxyphenylbromide 4-Methoxyphenyl bromide 1-Bromo-4-methoxybenzene 1-bromo-4-methoxy-benzen 4-Methoxy-1-bromobenzene |
| CAS | 104-92-7 |
| EINECS | 203-252-1 |
| InChI | InChI=1/C7H7BrO/c1-9-7-4-2-6(8)3-5-7/h2-5H,1H3 |
| InChIKey | QJPJQTDYNZXKQF-UHFFFAOYSA-N |
对溴茴香醚 - Physico-chemical Properties
| Molecular Formula | C7H7BrO |
| Molar Mass | 187.03 |
| Density | 1.494 g/mL at 25 °C (lit.) |
| Melting Point | 9-10 °C (lit.) |
| Boling Point | 223 °C (lit.) |
| Flash Point | 202°F |
| Water Solubility | immiscible |
| Vapor Presure | 0.147mmHg at 25°C |
| Appearance | Liquid |
| Color | Clear colorless to slightly yellow |
| Merck | 14,1428 |
| BRN | 1237590 |
| Storage Condition | Store below +30°C. |
| Stability | Stable. Combustible. Incompatible with strong oxidizing agents. |
| Refractive Index | n20/D 1.564(lit.) |
| Physical and Chemical Properties | Character: colorless liquid. density 1.494 melting point 9-10°C boiling point 223°C refractive index 1.563-1.565 flash point 94°C water-soluble immiscible |
| Use | For Organic synthesis |
对溴茴香醚 - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Safety Description | S23 - Do not breathe vapour. S24/25 - Avoid contact with skin and eyes. |
| WGK Germany | 2 |
| RTECS | BZ8501000 |
| FLUKA BRAND F CODES | 8 |
| TSCA | Yes |
| HS Code | 29093038 |
| Toxicity | LD50 orl-mus: 2200 mg/kg GISAAA 44(12),19,79 |
对溴茴香醚 - Upstream Downstream Industry
对溴茴香醚 - Nature
Open Data Verified Data
colorless liquid. Melting point 11.5 °c.
Last Update：2024-01-02 23:10:35
对溴茴香醚 - Preparation Method
Open Data Verified Data
using anisole as raw material, bromination reaction with bromine in glacial acetic acid was carried out, and finally obtained by washing and distillation under reduced pressure.
Last Update：2022-01-01 10:42:15
对溴茴香醚 - Use
Open Data Verified Data
The intermediate of Fuke medicine Taishu.
Last Update：2022-01-01 10:42:15
对溴茴香醚 - Safety
Open Data Verified Data
5kg glass bottle, external use wooden box or carton protection. Store in a cool, ventilated, dry warehouse, away from the fire, heat, moisture, sunscreen, close storage. According to the general provisions of the storage and transportation of chemicals.
Last Update：2022-01-01 10:42:16
对溴茴香醚 - Reference Information
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | raw materials of fragrances and dyes; Organic synthesis and pharmaceutical intermediates. used as solvent, also used in organic synthesis The intermediate of Fuke drug Taishu. organic synthesis. Solvent. |
| production method | 1. Derived from the reaction of p-bromophenol with dimethyl sulfate. The p-bromophenol was dissolved in dilute sodium hydroxide solution, cooled to below 10 °c, and then dimethyl sulfate was slowly added with stirring. The reaction temperature can be raised to 30 ° C., heated to 40-50 ° C. And stirred for 2H. The oil layer is separated, washed with water until neutral, dried with anhydrous calcium chloride, and distilled to obtain a finished product. With anisole as raw material, the bromination reaction with bromine in glacial acetic acid was carried out, and finally it was obtained by washing and distillation under reduced pressure. p-bromophenol is used as a raw material to react with dimethyl sulfate in an alkaline solution. Since the reaction is exothermic, dimethyl sulfate is slowly added so that the temperature in the reaction bath is 50 ° C. Or lower. After completion of the reaction, the reaction mixture was allowed to stand and the layers were separated. The organic layer was taken out and extracted with ethanol or diethyl ether. The extracted phase was distilled to recover the extractant. |
| category | toxic substances |
| toxicity grade | poisoning |
| Acute toxicity | oral-mouse LD50: 2200 mg/kg; Intraperitoneal-mouse LD50: 1186 mg/kg |
| flammability hazard characteristics | flammable in open flame; Toxic bromide smoke from combustion |
| storage and transportation characteristics | The warehouse is ventilated and dried at low temperature, separate storage of food additives |
| extinguishing agent | carbon dioxide, foam, sand, water mist. |
Last Update：2024-04-09 02:00:04
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对溴茴香醚
Cholesterol Heptadecanoate
波来瑞斯
URANYL ACETATE DIHYDRATE
Risperidone E-Oxime
四正丁基氢氧化
1-甲基-2-苯基-1H,6H,7H-吡咯并[2,3-C]吡啶-7-酮
trans-cyclohexanecarboxylic acid
對銨基二甲苯銨草酸鹽
L-苯甘氨酸叔丁酯盐酸盐
Cholesterol Heptadecanoate
波来瑞斯
URANYL ACETATE DIHYDRATE
Risperidone E-Oxime
四正丁基氢氧化
1-甲基-2-苯基-1H,6H,7H-吡咯并[2,3-C]吡啶-7-酮
trans-cyclohexanecarboxylic acid
對銨基二甲苯銨草酸鹽
L-苯甘氨酸叔丁酯盐酸盐
Raw Materials for 对溴茴香醚