A7779712
trans-1,4-Dibromo-2-butene , 99% , 821-06-7
CAS NO.：821-06-7
Empirical Formula: C4H6Br2
Molecular Weight: 213.9
MDL number: MFCD07783464
EINECS: 212-472-7
| Pack Size | Price | Stock | Quantity |
| 5g | RMB23.20 | In Stock |
|
| 25G | RMB47.20 | In Stock |
|
| 100G | RMB148.80 | In Stock |
|
| 500G | RMB558.40 | In Stock |
|
| others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
| 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 |
| InChIKey | RMXLHIUHKIVPAB-OWOJBTEDSA-N |
| 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) |
Description and Uses
(2E)-1,4-Dibromo-2-butene, is used as a reagent in the preparation of diaminoalkenes though copper-mediated diamination reaction.
Safety
| Symbol(GHS) |   GHS05,GHS06 |
| Signal word | Danger |
| Hazard statements | H301-H314 |
| Precautionary statements | P260-P270-P280-P303+P361+P353-P304+P340+P310-P305+P351+P338 |
| Hazard Codes | T,C |
| Risk Statements | 25-34-23/25 |
| Safety Statements | 26-36/37/39-45-28A |
| RIDADR | UN 2923 8/PG 2 |
| WGK Germany | 2 |
| RTECS | EM4725000 |
| F | 8-19 |
| Hazard Note | Toxic/Corrosive |
| HazardClass | 6.1(b) |
| PackingGroup | III |
| HS Code | 29033990 |
| Limited Quantities | 1.0 L (0.3 gallons) (liquid) or 1 Kg (2.2 lbs) (solid) |
| Excepted Quantities | Max Inner Pack (30g or 30ml) and Max Outer Pack (500g or 500ml) |
