1-BROMO-2-ETHYNYLBENZENE
- CAS NO.：766-46-1
- Empirical Formula: C8H5Br
- Molecular Weight: 181.03
- MDL number: MFCD01863358
- SAFETY DATA SHEET (SDS)
- Update Date: 2023-12-07 18:29:35
What is 1-BROMO-2-ETHYNYLBENZENE?
Chemical properties
Colourless Oil
The Uses of 1-BROMO-2-ETHYNYLBENZENE
1-Bromo-2-ethynylbenzene may be used in the synthesis of 1-(2-bromophenyl)-2-(dibenzo[b,d]thiophen-4-yl)ethanone.
The Uses of 1-BROMO-2-ETHYNYLBENZENE
Starting material for heterocyclotriynes, second-order nonlinear optical materials, and unsymmetrical 1,4-diarylbutadiynes
Synthesis Reference(s)
Tetrahedron Letters, 22, p. 2495, 1981 DOI: 10.1016/S0040-4039(01)92942-9
General Description
1-Bromo-2-ethynylbenzene (BEB) is a haloalkyne. It undergoes Sonogashira coupling with methyl 2-iodobenzoate to form bromo tolane derivative.
Properties of 1-BROMO-2-ETHYNYLBENZENE
| Boiling point: | 92-93 °C20 mm Hg(lit.) |
| Density | 1.443 g/mL at 25 °C(lit.) |
| refractive index | n |
| Flash point: | 147 °F |
| storage temp. | Keep in dark place,Sealed in dry,Room Temperature |
| solubility | Acetone, Dichloromethane, Ethyl Acetate, Hexane |
| form | Oil |
| color | Colourless |
| Stability: | Light and Temperature Sensitive. |
| CAS DataBase Reference | 766-46-1(CAS DataBase Reference) |
Safety information for 1-BROMO-2-ETHYNYLBENZENE
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 1-BROMO-2-ETHYNYLBENZENE
New Products
4-Fluorophenylacetic acid 4-Methylphenylacetic acid N-Boc-D-alaninol N-BOC-D/L-ALANINOL Tert-butyl bis(2-chloroethyl)carbamate 3-Morpholino-1-(4-nitrophenyl)-5,6-dihydropyridin- 2(1H)-one Furan-2,5-Dicarboxylic Acid Tropic acid S-2-CHLORO PROPIONIC ACID ETHYL ISOCYANOACETATE 2-Bromo-1,3-Bis(Dimethylamino)Trimethinium Hexafluorophosphate (6-METHYL-[1,3]DITHIOLO[4,5-b]QUINOXALIN-2-ONE INDAZOLE-3-CARBOXYLIC ACID 4-IODO BENZOIC ACID (2-Hydroxyphenyl)acetonitrile 4-Bromopyrazole 5,6-Dimethoxyindanone 2-(Cyanocyclohexyl)acetic acid 4-methoxy-3,5-dinitropyridine 2-aminopropyl benzoate hydrochloride 1-(4-(aminomethyl)benzyl)urea hydrochloride diethyl 2-(2-((tertbutoxycarbonyl)amino) ethyl)malonate tert-butyl 4- (ureidomethyl)benzylcarbamate Ethyl-2-chloro((4-methoxyphenyl)hydrazono)acetateRelated products of tetrahydrofuran
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