cis-2-Pentene (CAS 627-20-3) — formula C5H10, molecular weight 70.13; category organic chemicals.
| CAS Number | 627-20-3 |
|---|---|
| Molecular Formula | C5H10 |
| Molecular Weight | 70.13 |
| Melting Point | -151.4 °C |
| Boiling Point | 36.9 °C |
| LogP | 2.1 |
| Category | Organic Chemicals |
cis-2-Pentene is a carbon-based organic compound with CAS registry number 627-20-3 and molecular formula C5H10 (molecular weight 70.13), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 627-20-3
Its molecular formula C5H10 comprises 5 C, 10 H atoms.
Also known as: cis-2-Pentene · 顺式2-戊烯
Category: organic chemicals
The CAS registry number of cis-2-Pentene is 627-20-3.
Molecular formula C5H10, molecular weight 70.13.
It is also registered under: cis-2-Pentene, 顺式2-戊烯.
Category: Organic Chemicals.
Independent reference data for cis-2-Pentene (CAS 627-20-3), compiled from public chemistry databases.
| CAS Registry Number | 627-20-3 |
|---|---|
| PubChem CID | 5326160 |
| Molecular formula | C5H10 |
| IUPAC name | (Z)-pent-2-ene |
| UNII (FDA) | 54UR3XZ4FC |
| Molecular Weight | 70.13 |
|---|---|
| XLogP3 | 2.1 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 0 |
| Rotatable Bond Count | 1 |
| Exact Mass | 70.078250319 |
| Monoisotopic Mass | 70.078250319 |
| Topological Polar Surface Area | 0 |
| Heavy Atom Count | 5 |
| Boiling Point | 36.9 °C |
|---|---|
| Melting Point | -151.4 °C |
| Flash Point | less than -4 °F (NFPA, 2010) |
| Solubility | In water, 203 mg/l @ 25 °C |
| Density | 0.6556 @ 20 °C/4 °C |
| Density | Density: 0.6503 @ 20 °C/4 °C; 0.5824 @ 80 °C/4 °C; 0.6392 @ 30 °C/4 °C; 0.6170 @ 0 °C/4 °C |
| Vapor Density | 2.4 (Air= 1) |
| Vapor Pressure | 495.0 [mmHg] |
| Vapor Pressure | 4.95X10+2 mm Hg @ 25 °C |
| Surface Tension | 16.80 dyne/cm @ 25 °C |
cis-2-PENTENE; 627-20-3; (Z)-Pent-2-ene; 2-Pentene, (Z)-; cis-Pentene; cis-beta-N-Amylene; 2-Pentene, (2Z)-; beta-Amylene-cis; cis-beta-Amylene; cis-.beta.-Amylene; HSDB 5725; 54UR3XZ4FC; EINECS 210-988-7; 2-PENTENE, CIS-; CIS-2-PENTENE [HSDB]; 2-PENTENE (Z)-FORM [MI]
| GHS notification summary | 1.4% (1 / 73) |
|---|
| GHS notification summary | 1.4% (1 / 73) |
|---|---|
| Reported hazard statements | H225 (98.6%), H300 (30.1%), H304 (65.8%), H310 (30.1%), H315 (56.2%), H319 (56.2%), H330 (30.1%), H335 (54.8%) |
This chemical does not meet GHS hazard criteria for 1.4% (1 of 73) of reports.
H225 (98.6%): Highly Flammable liquid and vapor [Danger Flammable liquids]
cis-2-Pentene · CAS 627-20-3 · C5H10. UNII 54UR3XZ4FC. Boiling Point: 36.9 °C; Melting Point: -151.4 °C; Flash Point: less than -4 °F (NFPA, 2010).
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 顺式2-戊烯