(E)-1-Chlorobut-2-ene
- CAS No.
- 4894-61-5
- Chemical Name:
- (E)-1-Chlorobut-2-ene
- Synonyms
- E-chloro;Einecs 225-516-5;(E)CROTYL CHLORIDE;1-CHLORO-2-BUTYLENE;(E)-2-Butenylchloride;(E)-1-Chloro-2-butene;2-BUTEN-1-YL CHLORIDE;TRANS-CROTYL CHLORIDE;(E)-1-Chlorobut-2-ene;2-butene,1-chloro-,(E)
- CBNumber:
- CB3304576
- Molecular Formula:
- C4H7Cl
- Molecular Weight:
- 90.55
- MDL Number:
- MFCD00000987
- MOL File:
- 4894-61-5.mol
- MSDS File:
- SDS
- TDS File:
- TDS
| Melting point | -65 °C |
|---|---|
| Boiling point | 85-86 °C(lit.) |
| Density | 0.923 g/mL at 20 °C(lit.) |
| refractive index |
n |
| Flash point | -15 °C |
| storage temp. | 2-8°C |
| form | Liquid |
| color | Clear colorless |
| Henry's Law Constant | 3.1×10-3 mol/(m3Pa) at 25℃, Bakierowska and Trzeszczy\'nski (2003) |
| InChI | InChI=1S/C4H7Cl/c1-2-3-4-5/h2-3H,4H2,1H3/b3-2+ |
| InChIKey | YTKRILODNOEEPX-NSCUHMNNSA-N |
| SMILES | C(Cl)/C=C/C |
| CAS DataBase Reference | 4894-61-5(CAS DataBase Reference) |
| FDA UNII | XX3QN28JUX |
| EPA Substance Registry System | 2-Butene, 1-chloro-, (2E)- (4894-61-5) |
| UNSPSC Code | 12352100 |
| NACRES | NA.22 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) | ![]() ![]() ![]() GHS02,GHS05,GHS07 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Danger | |||||||||
| Hazard statements | H225-H314-H335 | |||||||||
| Precautionary statements | P210-P233-P240-P280-P303+P361+P353-P305+P351+P338 | |||||||||
| target organs | Respiratory system | |||||||||
| Hazard Codes | F,C | |||||||||
| Risk Statements | 11-22-34-36/37 | |||||||||
| Safety Statements | 16-26-36/37/39-45-25-27 | |||||||||
| RIDADR | UN 2924 3/PG 2 | |||||||||
| WGK Germany | 2 | |||||||||
| RTECS | EM4264000 | |||||||||
| F | 19 | |||||||||
| TSCA | TSCA listed | |||||||||
| HazardClass | 3.1 | |||||||||
| PackingGroup | II | |||||||||
| HS Code | 2903290000 | |||||||||
| Storage Class | 3 - Flammable liquids | |||||||||
| Hazard Classifications | Eye Dam. 1 Flam. Liq. 2 Skin Corr. 1B STOT SE 3 |
|||||||||
| NFPA 704 |
|
(E)-1-Chlorobut-2-ene price More Price(13)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | 254584 | Crotyl chloride, predominantly trans 95% | 4894-61-5 | 25g | $199 | 2026-04-30 | Buy |
| Sigma-Aldrich | 254584 | Crotyl chloride, predominantly trans 95% | 4894-61-5 | 100g | $686 | 2026-04-30 | Buy |
| Biosynth | FC167277 | Crotyl chloride - mixture of cis- and trans-isomers | 4894-61-5 | 1kg | $5500 | 2026-06-04 | Buy |
| Biosynth | FC167277 | Crotyl chloride - mixture of cis- and trans-isomers | 4894-61-5 | 2kg | $8525 | 2026-06-04 | Buy |
| Biosynth | FC167277 | Crotyl chloride - mixture of cis- and trans-isomers | 4894-61-5 | 5kg | $15812.5 | 2026-06-04 | Buy |
(E)-1-Chlorobut-2-ene Chemical Properties, Uses, Production
Uses
Crotyl Chloride is a useful intermediate used in the preparation of crotyltrichlorosilanes and in other crotylsilylation related reactions
Uses
Crotyl chloride was used in kinetics measurements of reactions of atomic chlorine with series of unsaturated aldehydes and ketones at 298K. (E)Crotyl chloride was also used in the preparation of (E)-crotyltrichlorosilane.
General Description
Crotyl chloride reacts with trichlorosilane in the presence of tertiary amine and copper salt to give the corresponding allyltrichlorosilane.
(E)-1-Chlorobut-2-ene Preparation Products And Raw materials
(E)-1-Chlorobut-2-ene Suppliers
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| SHAANXI DIDEU MEDICHEM CO.LTD | 029-029-81123119 17391733320 | 1021@dideu.com | China | 9550 | 58 |
| Shanghai Boyle Chemical Co., Ltd. | 021-50182298 021-50180596 | sales@boylechem.com | China | 2202 | 55 |
| 3B Pharmachem (Wuhan) International Co.,Ltd. | 18930552037 | 3bsc@sina.com | China | 15813 | 69 |
| Energy Chemical | 400-0056266 | sales8178@energy-chemical.com | China | 45000 | 61 |
| Shanghai Hanhong Scientific Co.,Ltd. | 021-54306202 13764082696 | info@hanhongsci.com | China | 42917 | 64 |
| Spectrum Chemical Manufacturing Corp. | 021-021-021-67601398-809-809-809 15221380277 | marketing_china@spectrumchemical.com | China | 9643 | 60 |
| Shanghai Macklin Biochemical Co.,Ltd. | 15221275939 15221275939 | shenlinxing@macklin.cn | China | 15775 | 55 |
| Sigma-Aldrich | 021-61415566 800-8193336 | orderCN@merckgroup.com | China | 51389 | 80 |
| Shanghai Qiao Chemical Science Co., Ltd | 021-58892003 | info@qiaochem.com | China | 6065 | 65 |
| Wuhan EEChem Technologies Co., Ltd | 0711-3617768 13308685235 | lihongcai4360@sina.com | China | 1542 | 55 |
View Latest Price from (E)-1-Chlorobut-2-ene manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
![]() |
2026-06-30 | (E)-1-Chlorobut-2-ene
4894-61-5
|
1KG | 98.0% | 10000KGS | Shaanxi Dideu New Materials Co. Ltd | ||
![]() |
2026-05-22 | (E)-1-Chlorobut-2-ene
4894-61-5
|
$1.50 | 1g | 99.0% Min | 100 Tons | Shaanxi Didu New Materials Co. Ltd |
-

- (E)-1-Chlorobut-2-ene
4894-61-5
- 98.0%
- Shaanxi Dideu New Materials Co. Ltd
-

- (E)-1-Chlorobut-2-ene
4894-61-5
- $1.50
- 99.0% Min
- Shaanxi Didu New Materials Co. Ltd







