cis-2-butene (CAS 590-18-1) — formula C4H8, molecular weight 56.11; category organic chemicals.
cis-2-butene (CAS 590-18-1) is a chemical raw material in the organic chemicals category. Its molecular formula C4H8 comprises 4 C, 8 H atoms. Its molecular weight is about 56.11. Reported physicochemical data: melting point around -139.3 °C /cis-2-Butene/, boiling point around 3.73 °C at 760 mm Hg /cis-2-Butene/, LogP about 2.3. As a sourcing and distribution partner we help locate and compare this item across domestic and cross-border channels, arranging samples and batch orders with full COA and compliance files.
| CAS Number | 590-18-1 |
|---|---|
| Molecular Formula | C4H8 |
| Molecular Weight | 56.11 |
| Melting Point | -139.3 °C /cis-2-Butene/ |
| Boiling Point | 3.73 °C at 760 mm Hg /cis-2-Butene/ |
| LogP | 2.3 |
| Applications | INT FOR BUTADIENE, HEPTENES, SEC-BUTYL ALC, BUTYLENE OXIDE, PRODN OF HIGH-DENSITY POLYETHYLENE & POLYMER GASOLINES, For cis-2-butene (USEPA/OPP Pesticide Code: 606666) there are 0 labels match. /SRP: Not registered for current use in the U.S |
| Category | Organic Chemicals |
Documented applications: INT FOR BUTADIENE, HEPTENES, SEC-BUTYL ALC, BUTYLENE OXIDE, PRODN OF HIGH-DENSITY POLYETHYLENE & POLYMER GASOLINES, For cis-2-butene (USEPA/OPP Pesticide Code: 606666) there are 0 labels match. /SRP: Not registered for current use in the U.S.
cis-2-butene is a carbon-based organic compound with CAS registry number 590-18-1 and molecular formula C4H8 (molecular weight 56.11), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 590-18-1
Its molecular formula C4H8 comprises 4 C, 8 H atoms.
Also known as: cis-2-butene · 顺-2-丁烯
Category: organic chemicals
The CAS registry number of cis-2-butene is 590-18-1.
Molecular formula C4H8, molecular weight 56.11.
It is also registered under: cis-2-butene, 顺-2-丁烯.
Recorded applications: INT FOR BUTADIENE, HEPTENES, SEC-BUTYL ALC, BUTYLENE OXIDE, PRODN OF HIGH-DENSITY POLYETHYLENE & POLYMER GASOLINES, For cis-2-butene (USEPA/OPP Pesticide Code: 606666) there are 0 labels match. /SRP: Not registered for current use in the U.S.
Category: Organic Chemicals.
Packaging is agreed per order, from lab-scale packs to bulk, and confirmed with each order rather than fixed on the page. A Certificate of Analysis (COA) ships with every batch and MSDS is available; where the end use carries a regulatory limit (food contact, pharmaceutical or cosmetic), state the standard at enquiry and the grade is set against it.
Independent reference data for cis-2-butene (CAS 590-18-1), compiled from public chemistry databases.
| CAS Registry Number | 590-18-1 |
|---|---|
| PubChem CID | 5287573 |
| Molecular formula | C4H8 |
| IUPAC name | (Z)-but-2-ene |
| UNII (FDA) | L35ORC9C05 |
| Molecular Weight | 56.11 |
|---|---|
| XLogP3 | 2.3 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 0 |
| Rotatable Bond Count | 0 |
| Exact Mass | 56.062600255 |
| Monoisotopic Mass | 56.062600255 |
| Topological Polar Surface Area | 0 |
| Heavy Atom Count | 4 |
| Boiling Point | 3.73 °C at 760 mm Hg /cis-2-Butene/ |
|---|---|
| Boiling Point | 3.72 °C |
| Boiling Point | 3.7 °C |
| Boiling Point | 3.7 °C @760 [mm Hg] |
| Melting Point | -139.3 °C /cis-2-Butene/ |
| Melting Point | -138.89 °C |
| Melting Point | -138.7 °C |
| Melting Point | -138.9 °C |
| Flash Point | -11.99 °C (10.42 °F) - closed cup |
| Solubility | In water, 658 mg/L at 25 °C |
cis-2-Butene; (Z)-But-2-ene; cis-Butene; 590-18-1; cis-But-2-ene; beta-cis-Butylene; (2Z)-but-2-ene; cis-1,2-Dimethylethylene; High-boiling butene-2; 2-BUTENE, (Z)-; z-but-2-ene; L35ORC9C05; DTXSID0027224; CHEBI:48366; RefChem:577312; DTXCID307224
| Reported hazard statements | H220, H280 (80.7%), H336 (11.7%) |
|---|
H220: Extremely flammable gas [Danger Flammable gases]
P203, P210, P222, P280, P377, P381, and P403 (click each P-code to see the statement)
cis-2-butene · CAS 590-18-1 · C4H8. UNII L35ORC9C05. Boiling Point: 3.73 °C at 760 mm Hg /cis-2-Butene/; Boiling Point: 3.72 °C; Boiling Point: 3.7 °C.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 顺-2-丁烯