1-Undecene (CAS 821-95-4) — formula C11H22, molecular weight 154.29; category organic chemicals.
1-Undecene (CAS 821-95-4) is a chemical raw material in the organic chemicals category. Its molecular formula C11H22 comprises 11 C, 22 H atoms. Its molecular weight is about 154.29. Reported physicochemical data: melting point around -56 °F (USCG, 1999), boiling point around 378.9 °F at 760 mmHg (USCG, 1999), LogP about 6.2. 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 | 821-95-4 |
|---|---|
| Molecular Formula | C11H22 |
| Molecular Weight | 154.29 |
| Melting Point | -56 °F (USCG, 1999) |
| Boiling Point | 378.9 °F at 760 mmHg (USCG, 1999) |
| LogP | 6.2 |
| Applications | Methods of Manufacturing: CATALYTIC OLIGOMERIZATION OF ETHYLENE FOLLOWED BY ISOMERIZATION & DISPROPORTIONATION OF C4-C8 & C20+ FRACTIONS TO C11-C14 INTERNAL OLEFINS, THERMAL CRACKING OF PARAFFIN WAXES FOLLOWED BY FRACTIONATION TO C11-C14 LINEAR ALPHA-OLEFINS, 1-Undecene: ACTIVE |
| Category | Organic Chemicals |
Documented applications: Methods of Manufacturing: CATALYTIC OLIGOMERIZATION OF ETHYLENE FOLLOWED BY ISOMERIZATION & DISPROPORTIONATION OF C4-C8 & C20+ FRACTIONS TO C11-C14 INTERNAL OLEFINS, THERMAL CRACKING OF PARAFFIN WAXES FOLLOWED BY FRACTIONATION TO C11-C14 LINEAR ALPHA-OLEFINS, 1-Undecene: ACTIVE.
1-Undecene is a carbon-based organic compound with CAS registry number 821-95-4 and molecular formula C11H22 (molecular weight 154.29), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 821-95-4
Its molecular formula C11H22 comprises 11 C, 22 H atoms.
Also known as: 1-Undecene · 1-十一碳烯
Category: organic chemicals
The CAS registry number of 1-Undecene is 821-95-4.
Molecular formula C11H22, molecular weight 154.29.
It is also registered under: 1-Undecene, 1-十一碳烯.
Recorded applications: Methods of Manufacturing: CATALYTIC OLIGOMERIZATION OF ETHYLENE FOLLOWED BY ISOMERIZATION & DISPROPORTIONATION OF C4-C8 & C20+ FRACTIONS TO C11-C14 INTERNAL OLEFINS, THERMAL CRACKING OF PARAFFIN WAXES FOLLOWED BY FRACTIONATION TO C11-C14 LINEAR ALPHA-OLEFINS, 1-Undecene: ACTIVE.
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 1-Undecene (CAS 821-95-4), compiled from public chemistry databases.
| CAS Registry Number | 821-95-4 |
|---|---|
| PubChem CID | 13190 |
| Molecular formula | C11H22 |
| IUPAC name | undec-1-ene |
| UNII (FDA) | 1446756A8F |
| Molecular Weight | 154.29 |
|---|---|
| XLogP3 | 6.2 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 0 |
| Rotatable Bond Count | 8 |
| Exact Mass | 154.172150702 |
| Monoisotopic Mass | 154.172150702 |
| Topological Polar Surface Area | 0 |
| Heavy Atom Count | 11 |
| Boiling Point | 378.9 °F at 760 mmHg (USCG, 1999) |
|---|---|
| Boiling Point | 192.7 °C @ 760 mm Hg |
| Boiling Point | 192.00 to 193.00 °C. @ 760.00 mm Hg |
| Melting Point | -56 °F (USCG, 1999) |
| Melting Point | -49.2 °C |
| Melting Point | -49.1 °C |
| Flash Point | 160 °F (USCG, 1999) |
| Flash Point | 71 °C |
| Flash Point | 160 °F OC |
| Density | 0.7503 @ 20 °C/4 °C |
1-UNDECENE; 821-95-4; n-1-Undecene; 1-Hendecene; alpha-Undecylene; alpha-Nonylethylene; alpha-Undecene; Undecene-1; CCRIS 5720; HSDB 1090; EINECS 212-483-7; NSC 73983; NSC-73983; N-NONYLETHYLENE; UNII-1446756A8F; 1446756A8F
| GHS notification summary | 6.2% (3 / 48) |
|---|
| GHS notification summary | 6.2% (3 / 48) |
|---|---|
| Reported hazard statements | H302 (93.8%), H315 (93.8%), H319 (93.8%), H332 (93.8%), H335 (91.7%) |
This chemical does not meet GHS hazard criteria for 6.2% (3 of 48) of reports.
H302 (93.8%): Harmful if swallowed [Warning Acute toxicity, oral]
1-Undecene · CAS 821-95-4 · C11H22. UNII 1446756A8F. Boiling Point: 378.9 °F at 760 mmHg (USCG, 1999); Boiling Point: 192.7 °C @ 760 mm Hg; Boiling Point: 192.00 to 193.00 °C. @ 760.00 mm Hg.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 1-十一碳烯