(E)-1,4-Dibromobut-2-ene
- CAS NO.：821-06-7
- Empirical Formula: C4H6Br2
- Molecular Weight: 213.9
- MDL number: MFCD07783464
- EINECS: 212-472-7
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-12-18 14:08:52
What is (E)-1,4-Dibromobut-2-ene?
Chemical properties
white to light yellow crystal powde
The Uses of (E)-1,4-Dibromobut-2-ene
(2E)-1,4-Dibromo-2-butene, is used as a reagent in the preparation of diaminoalkenes though copper-mediated diamination reaction.
Synthesis Reference(s)
The Journal of Organic Chemistry, 36, p. 3324, 1971 DOI: 10.1021/jo00821a012
General Description
Crystals or white crystalline solid.
Air & Water Reactions
(E)-1,4-Dibromobut-2-ene may be sensitive to exposure to light and air. Insoluble in water.
Reactivity Profile
(E)-1,4-Dibromobut-2-ene is incompatible with strong oxidizers and strong bases.
Fire Hazard
(E)-1,4-Dibromobut-2-ene is probably combustible.
Purification Methods
Crystallise the dibromide from ligroin and/or distil it in a vacuum. [Beilstein 1 IV 79.]
Properties of (E)-1,4-Dibromobut-2-ene
| Melting point: | 48-51 °C(lit.) |
| Boiling point: | 205 °C(lit.) |
| Density | 1.9393 (estimate) |
| refractive index | 1.5361 (estimate) |
| Flash point: | 113°C |
| storage temp. | 2-8°C |
| solubility | Chloroform (Slightly), Methanol (Slightly) |
| form | Crystals or Crystalline Powder |
| color | colorless to slightly brown |
| Water Solubility | slightly soluble |
| BRN | 1719696 |
| Stability: | Light Sensitive |
| CAS DataBase Reference | 821-06-7(CAS DataBase Reference) |
| NIST Chemistry Reference | 2-Butene, 1,4-dibromo-, (E)-(821-06-7) |
| EPA Substance Registry System | 2-Butene, 1,4-dibromo-, (2E)- (821-06-7) |
Safety information for (E)-1,4-Dibromobut-2-ene
| Signal word | Danger |
| Pictogram(s) |
 Corrosion Corrosives GHS05  Skull and Crossbones Acute Toxicity GHS06 |
| GHS Hazard Statements |
H301:Acute toxicity,oral H314:Skin corrosion/irritation |
| Precautionary Statement Codes |
P260:Do not breathe dust/fume/gas/mist/vapours/spray. P270:Do not eat, drink or smoke when using this product. P280:Wear protective gloves/protective clothing/eye protection/face protection. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. 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 (E)-1,4-Dibromobut-2-ene
| InChIKey | RMXLHIUHKIVPAB-OWOJBTEDSA-N |
(E)-1,4-Dibromobut-2-ene manufacturer
Siri Organics
Hyderabad
Phone:91-9490021226
Whatsapp: 91-9490021226
product: trans-1,4-Dibromo-2-butene
New Products
Tert-butyl bis(2-chloroethyl)carbamate 4-Methylphenylacetic acid N-Boc-D-alaninol N-BOC-D/L-ALANINOL N-octanoyl benzotriazole 3-Morpholino-1-(4-nitrophenyl)-5,6-dihydropyridin- 2(1H)-one Furan-2,5-Dicarboxylic Acid DIETHYL AMINOMALONATE HYDROCHLORIDE 1,1’-CARBONYLDIIMIDAZOLE R-2-BENZYLOXY PROPIONIC ACID 1,1’-CARBONYLDI (1,2-4 TRIAZOLE) N-METHYL INDAZOLE-3-CARBOXYLIC ACID (2-Hydroxyphenyl)acetonitrile 4-Bromopyrazole 5-BROMO-2CYANO PYRIDINE 5,6-Dimethoxyindanone 5-broMo-2-chloro-N-cyclopentylpyriMidin-4-aMine 2-(Cyanocyclohexyl)acetic acid 4-methoxy-3,5-dinitropyridine 1-(4-(aminomethyl)benzyl)urea hydrochloride 2-aminopropyl benzoate hydrochloride diethyl 2-(2-((tertbutoxycarbonyl)amino) ethyl)malonate tert-butyl 4- (ureidomethyl)benzylcarbamate Ethyl-2-chloro((4-methoxyphenyl)hydrazono)acetateRelated products of tetrahydrofuran
You may like
-
trans-1,4-Dibromo-2-butene, 98% CAS 821-06-7View Details
821-06-7 -
trans-1,4-Dibromo-2-butene CAS 821-06-7View Details
821-06-7 -
trans-1,4-Dibromo-2-butene 95.00% CAS 821-06-7View Details
821-06-7 -
trans-1,4-Dibromo-2-butene 98% (GC) CAS 821-06-7View Details
821-06-7 -
trans-1,4-Dibromo-2-butene CAS 821-06-7View Details
821-06-7 -
821-06-7 trans-1,4-Dibromo-2-butene, 98% 99%View Details
821-06-7 -
118753-70-1 98+View Details
118753-70-1 -
733039-20-8 5-broMo-2-chloro-N-cyclopentylpyriMidin-4-aMine 98+View Details
733039-20-8
Statement: All products displayed on this website are only used for non medical purposes such as industrial applications or scientific research, and cannot be used for clinical diagnosis or treatment of humans or animals. They are not medicinal or edible.