Ethyl bromide
Bromoethane
CAS: 74-96-4
Molecular Formula: C2H5Br
Ethyl bromide - Names and Identifiers
| Name | Bromoethane |
| Synonyms | SINOBIO Bromethan 1-Bromethan Bromoethane JACS-74-96-4 Ethyl bromide ETHYL BROMIDE extrapure Bromoethane, extra pure |
| CAS | 74-96-4 |
| EINECS | 200-825-8 |
| InChI | InChI=1/C2H5Br/c1-2-3/h2H2,1H3 |
Ethyl bromide - Physico-chemical Properties
| Molecular Formula | C2H5Br |
| Molar Mass | 108.97 |
| Density | 1.46g/mLat 25°C(lit.) |
| Melting Point | -119 °C |
| Boling Point | 37-40°C(lit.) |
| Flash Point | -23 °C |
| Water Solubility | 0.91 g/100 mL (20 ºC) |
| Solubility | Miscible with ethanol, ether, chloroform and organic solvents. |
| Vapor Presure | 25.32 psi ( 55 °C) |
| Vapor Density | ~3.75 (vs air) |
| Appearance | Liquid |
| Color | Clear colorless to slightly yellow |
| Exposure Limit | TLV-TWA 200 ppm (～90 mg/m3)(ACGIH, MSHA, OSHA, and NIOSH); TLV STEL 250 ppm (～110 mg/m3) (ACGIH);IDLH 3500 ppm (NIOSH). |
| Merck | 14,3771 |
| BRN | 1209224 |
| Storage Condition | Store below +30°C. |
| Stability | Stable. Highly flammable. Readily forms explosive mixtures with air. Note low flash point. Incompatible with alkali metals, aluminium, magnesium, strong bases, water, strong oxidizing agents. |
| Sensitive | Light Sensitive |
| Explosive Limit | 6.7-11.3%(V) |
| Refractive Index | n20/D 1.425(lit.) |
| Physical and Chemical Properties | colorless transparent flammable, volatile liquid. With ether odor and spicy taste. Turns pale yellow in the air and in the light. |
| Use | Used in medicine, pesticide, dye industry, is the ethyl agent in organic synthesis, also used as refrigerant and organic solvent |
Ethyl bromide - Risk and Safety
| Risk Codes | R11 - Highly Flammable R20/22 - Harmful by inhalation and if swallowed. R40 - Limited evidence of a carcinogenic effect |
| Safety Description | 36/37 - Wear suitable protective clothing and gloves. |
| UN IDs | UN 1891 6.1/PG 2 |
| WGK Germany | 1 |
| RTECS | KH6475000 |
| FLUKA BRAND F CODES | 8 |
| TSCA | Yes |
| HS Code | 2903 39 19 |
| Hazard Class | 6.1 |
| Packing Group | II |
| Toxicity | LC50 rats, mice (ppm): 27000, 16200 (Vernot) |
Ethyl bromide - Upstream Downstream Industry
Ethyl bromide - Nature
Open Data Verified Data
colorless transparent flammable, volatile liquid. With ethanol, ether, chloroform and other organic solvents miscible, slightly soluble in water. With ether odor and spicy taste. The vapor is toxic! It turns pale yellow in air and in light.
Last Update：2024-01-02 23:10:35
Ethyl bromide - Preparation Method
Open Data Verified Data
- hydrobromic acid method ethanol and hydrobromic acid (or sodium bromide) are heated to reflux temperature in the presence of sulfuric acid, displacement reaction is carried out, the crude product is washed with sulfuric acid, and potassium carbonate is neutralized to obtain the finished product.
- ethanol bromination method anhydrous ethanol and sulfur are added to bromine to slowly react bromine with ethanol, and the reaction temperature is 60-90 ° C. The reaction product is cooled and deacidified to obtain bromoethane.
Last Update：2022-01-01 10:14:15
Ethyl bromide - Use
Open Data Verified Data
It is used as an ethyl agent in organic synthesis, and is also a raw material for the synthesis of pesticides, pharmaceuticals, dyes and fragrances. It can also be used as a refrigerant, a solvent, a fumigant, and the like.
Last Update：2022-01-01 10:14:14
Ethyl bromide - Safety
Open Data Verified Data
rat LC 20000*10_6. The toxicity is higher than that of ethyl chloride and lower than that of methyl bromide. On the human body, chronic poisoning can cause neurological disorders, excitement, sweating. Acute poisoning can cause temporary limb stiffness, mydriasis, facial flushing, pulse frequency and urinary frequency. Air
Medium maximum allowable concentration of 890mg/m3. Production equipment should be kept closed. The production site should be well ventilated. The operator should wear protective gear. This product is flammable and should be stored and transported according to the provisions of flammable articles. Generally available tank car, iron drum and bottles and other packaging and storage, but the general self-production and self-use.
Last Update：2022-01-01 10:14:15
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View History
Ethyl bromide
(e)-2-cyclobutanedicarboxylicacid
102849-49-0
Phthalazine
2-(4-METHOXYSTYRYL)-3-PHENYL-4(3H)-QUINAZOLINONE
(e)-2-cyclobutanedicarboxylicacid
102849-49-0
Phthalazine
2-(4-METHOXYSTYRYL)-3-PHENYL-4(3H)-QUINAZOLINONE
Raw Materials for Ethyl bromide
Downstream Products for Ethyl bromide