1-UNDECENE
- CAS No.
- 821-95-4
- Chemical Name:
- 1-UNDECENE
- Synonyms
- 1-UNDECENE;Undecene-1;α-Undecene;1-hendecene;Undec-1-ene;10-Undecene;n-1-Undecene;alpha-Undecene;1-UNDECENE 96%;1-UNDECENE 98+%
- CBNumber:
- CB8337692
- Molecular Formula:
- C11H22
- Molecular Weight:
- 154.29
- MDL Number:
- MFCD00008956
- MOL File:
- 821-95-4.mol
- MSDS File:
- SDS
- TDS File:
- TDS
| Product description | Number | Pack Size | Price |
| 1-Undecene 97% | 242527 | 25g | $294 |
| 1-Undecene [Standard Material for GC] >99.5%(GC) | S0341 | 5mL | $124 |
| 1-Undecene >93.0%(GC) | U0025 | 25mL | $40 |
| 1-Undecene, 97% | 83601 | 10G | $219.78 |
| 1-Undecene ≥97% | CS-0141531 | 25g | $125 |
| Melting point | -49 °C (lit.) |
|---|---|
| Boiling point | 192-193 °C (lit.) |
| Density | 0.75 g/mL at 25 °C (lit.) |
| refractive index |
n |
| Flash point | 145 °F |
| form | clear liquid |
| color | Colorless to Light yellow |
| Specific Gravity | 0.750 |
| Odor | Mild, pleasant. |
| Water Solubility | Solunle in ether, chloroform and ligroin. Insoluble in water. |
| Thermal Conductivity | 0.125 W/(m·K) at 25 ℃ |
| BRN | 1740044 |
| Henry's Law Constant | 4.5×10-6 mol/(m3Pa) at 25℃, Yaws (2003) |
| Dielectric constant | 2.1699999999999999 |
| InChI | 1S/C11H22/c1-3-5-7-9-11-10-8-6-4-2/h3H,1,4-11H2,2H3 |
| InChIKey | DCTOHCCUXLBQMS-UHFFFAOYSA-N |
| SMILES | CCCCCCCCCC=C |
| LogP | 5.903 (est) |
| CAS DataBase Reference | 821-95-4(CAS DataBase Reference) |
| EWG's Food Scores | 1 |
| FDA UNII | 1446756A8F |
| EPA Substance Registry System | 1-Undecene (821-95-4) |
| UNSPSC Code | 12352100 |
| NACRES | NA.22 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS07 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Warning | |||||||||
| Hazard statements | H302+H332-H315-H319-H335 | |||||||||
| Precautionary statements | P261-P264-P301+P312-P302+P352-P304+P340+P312-P305+P351+P338 | |||||||||
| target organs | Respiratory system | |||||||||
| PPE | Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter | |||||||||
| Hazard Codes | Xn,F | |||||||||
| Risk Statements | 20/22-36/37/38 | |||||||||
| Safety Statements | 26-36 | |||||||||
| WGK Germany | 3 | |||||||||
| TSCA | TSCA listed | |||||||||
| HS Code | 29012990 | |||||||||
| Storage Class | 10 - Combustible liquids | |||||||||
| Hazard Classifications | Acute Tox. 4 Inhalation Acute Tox. 4 Oral Eye Irrit. 2 Skin Irrit. 2 STOT SE 3 |
|||||||||
| Hazardous Substances Data | 821-95-4(Hazardous Substances Data) | |||||||||
| NFPA 704 |
|
1-UNDECENE price More Price(32)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | 242527 | 1-Undecene 97% | 821-95-4 | 25g | $294 | 2026-04-30 | Buy |
| TCI Chemical | S0341 | 1-Undecene [Standard Material for GC] >99.5%(GC) | 821-95-4 | 5mL | $124 | 2026-04-30 | Buy |
| TCI Chemical | U0025 | 1-Undecene >93.0%(GC) | 821-95-4 | 25mL | $40 | 2026-04-30 | Buy |
| GFS CHEMICALS | 83601 | 1-Undecene, 97% | 821-95-4 | 10G | $219.78 | 2026-06-03 | Buy |
| ChemScene | CS-0141531 | 1-Undecene ≥97% | 821-95-4 | 25g | $125 | 2026-06-04 | Buy |
1-UNDECENE Chemical Properties,Uses,Production
Uses
1-Undecene is a pharmaceutical intermediate and a useful reagent for organic synthesis.
Uses
1-undecene is an alkene that can be used as a reactant:
- In the Pd-catalyzed aerobic oxidative amination reaction with nitrogen nucleophiles to produce useful amine analogs.
- To prepare a key intermediate in the total synthesis of (+)-deoxoprosopinine.
Definition
ChEBI: An alkene that is undecane containing one double bond located at position 1.
Synthesis Reference(s)
Chemistry Letters, 7, p. 1155, 1978
The Journal of Organic Chemistry, 47, p. 876, 1982 DOI: 10.1021/jo00344a024
Tetrahedron, 49, p. 7104, 1993 DOI: 10.1016/S0040-4020(01)87982-5
General Description
1-undecene (or α-undecene) is an organic compound, which belongs to the class of unsaturated aliphatic hydrocarbons. It is a hydrophobic molecule found in the essential oil of Farfugium japonicum and some mushroom species.
Health Hazard
Recommended Personal Protective Equipment: Goggles or face shield; rubber gloves; Symptoms Following Exposure: Aspiration hazard if ingested. Slight skin and eye irritation. No inhalation hazard expected; General Treatment for Exposure: INHALATION: remove victim to fresh air. INGESTION: do NOT lavage or induce vomiting; give vegetable oil and demulcents; call a doctor. EYES: flush with water for 15 min. SKIN: wipe off, wash with soap and water; Toxicity by Inhalation (Threshold Limit Value): Data not available; Short-Term Exposure Limits: Data not available; Toxicity by Ingestion: Data not available; Late Toxicity: Data not available; Vapor (Gas) Irritant Characteristics: Slight smarting of eyes and respiratory system at high concentrations. The effect is temporary; Liquid or Solid Irritant Characteristics: Minimum hazard. If spilled on clothing and allowed to remain, may cause smarting and reddening of the skin; Odor Threshold: Data not available.
Chemical Reactivity
Reactivity with Water No reaction; Reactivity with Common Materials: No reactions; Stability During Transport: Stable; Neutralizing Agents for Acids and Caustics: Not pertinent; Polymerization: Not pertinent; Inhibitor of Polymerization: Not pertinent.
1-UNDECENE Preparation Products And Raw materials
1-UNDECENE Suppliers
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Henan Fengda Chemical Co., Ltd | +86-371-86557731 +86-13613820652 | info@fdachem.com | China | 20122 | 58 |
| Hefei TNJ Chemical Industry Co.,Ltd. | +86-0551-65418671 +8618949823763 | sales@tnjchem.com | China | 34563 | 58 |
| Shaanxi Dideu Medichem Co. Ltd | +86-029-89586680 +86-18192503167 | 1026@dideu.com | China | 9996 | 58 |
| Dayang Chem (Hangzhou) Co.,Ltd. | +86-0571-88938639 +8617705817739 | info@dycnchem.com | China | 52705 | 58 |
| PT CHEM GROUP LIMITED | +86-85511178; | peter68@ptchemgroup.com | China | 35425 | 58 |
| Henan Allgreen Chemical Co.,LTD | +86-37155567971 +86-13633837469 | info@allgreenchem.com | China | 5998 | 58 |
| Dalian Ruiying Technology Co., Ltd. | +86-0411-86907150 +86-15940963210 | 609262758@qq.com | China | 578 | 58 |
| Shanghai Acmec Biochemical Technology Co., Ltd. | +86-18621343501; +undefined18621343501 | product@acmec-e.com | China | 33324 | 58 |
| Aladdin Scientific | tp@aladdinsci.com | United States | 57505 | 58 | |
| SHANGHAI KEAN TECHNOLOGY CO., LTD. | +8613817748580 | cooperation@kean-chem.com | China | 40066 | 58 |
View Lastest Price from 1-UNDECENE manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2025-09-25 | 1-UNDECENE
821-95-4
|
$1.00-100.00 | 1KG | 99% | Henan Fengda Chemical Co., Ltd |
-
- 1-UNDECENE
821-95-4
- $1.00-100.00
- 99%
- Henan Fengda Chemical Co., Ltd
