5-Ethylidene-2-norbornene, mixt. of endo-and exo-isomers (CAS 16219-75-3) — formula C9H12, molecular weight 120.19; category organic chemicals.
5-Ethylidene-2-norbornene, mixt. of endo-and exo-isomers (CAS 16219-75-3) is a chemical raw material in the organic chemicals category. Its molecular formula C9H12 comprises 9 C, 12 H atoms. Its molecular weight is about 120.19. Reported physicochemical data: melting point around -112 °F (USCG, 1999), boiling point around 297.7 °F at 760 mmHg (USCG, 1999), LogP about 2.2. 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 | 16219-75-3 |
|---|---|
| Molecular Formula | C9H12 |
| Molecular Weight | 120.19 |
| Melting Point | -112 °F (USCG, 1999) |
| Boiling Point | 297.7 °F at 760 mmHg (USCG, 1999) |
| LogP | 2.2 |
| Applications | third monomer, the diene, in EPDM (ethylene-propylene diene monomer), EPDM is used to make the elastomer, ethylene-propylene terpolymer, Plastic Composites Manufacturing |
| Category | Organic Chemicals |
Documented applications: third monomer, the diene, in EPDM (ethylene-propylene diene monomer), EPDM is used to make the elastomer, ethylene-propylene terpolymer, Plastic Composites Manufacturing.
5-Ethylidene-2-norbornene, mixt. of endo-and exo-isomers is a carbon-based organic compound with CAS registry number 16219-75-3 and molecular formula C9H12 (molecular weight 120.19), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 16219-75-3
Its molecular formula C9H12 comprises 9 C, 12 H atoms.
Also known as: 5-Ethylidene-2-norbornene, mixt. of endo-and exo-isomers · 5-亚乙基-2-降冰片烯，混合物。内切异构体和外切异构体
Category: organic chemicals
The CAS registry number of 5-Ethylidene-2-norbornene, mixt. of endo-and exo-isomers is 16219-75-3.
Molecular formula C9H12, molecular weight 120.19.
It is also registered under: 5-Ethylidene-2-norbornene, mixt. of endo-and exo-isomers, 5-亚乙基-2-降冰片烯，混合物。内切异构体和外切异构体.
Recorded applications: third monomer, the diene, in EPDM (ethylene-propylene diene monomer), EPDM is used to make the elastomer, ethylene-propylene terpolymer, Plastic Composites Manufacturing.
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 5-Ethylidene-2-norbornene, mixt. of endo-and exo-isomers (CAS 16219-75-3), compiled from public chemistry databases.
| CAS Registry Number | 16219-75-3 |
|---|---|
| PubChem CID | 27756 |
| Molecular formula | C9H12 |
| IUPAC name | 5-ethylidenebicyclo[2.2.1]hept-2-ene |
| UNII (FDA) | Q4D40UVR0R |
| Molecular Weight | 120.19 |
|---|---|
| XLogP3 | 2.2 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 0 |
| Rotatable Bond Count | 0 |
| Exact Mass | 120.093900383 |
| Monoisotopic Mass | 120.093900383 |
| Topological Polar Surface Area | 0 |
| Heavy Atom Count | 9 |
| Boiling Point | 297.7 °F at 760 mmHg (USCG, 1999) |
|---|---|
| Boiling Point | 67 °C @ 50 MM HG |
| Boiling Point | 148 °C |
| Boiling Point | 298 °F |
| Melting Point | -112 °F (USCG, 1999) |
| Melting Point | FP: -80 °C |
| Melting Point | -80 °C |
| Melting Point | -112 °F |
| Flash Point | 79 °F (NTP, 1992) |
| Flash Point | 38 °C |
16219-75-3; 5-ETHYLIDENE-2-NORBORNENE; 5-Ethylidenebicyclo[2.2.1]hept-2-ene; Ethylidene norbornene; Ethylidenenorbornene; DTXSID1025306; Bicyclo[2.2.1]hept-2-ene, 5-ethylidene-; 5-Ethylidenebicyclo(2.2.1)hept-2-ene; Q4D40UVR0R; DTXCID505306; Bicyclo(2.2.1)hept-2-ene, 5-ethylidene-; 5-Ethylidenebicyclo(2.2.1)-hept-2-ene; RefChem:921315; 5,2-ENB; 5-Ethylidenebicyclo(2,2,1)hept-2-ene; 240-347-7
| Regulatory & Food Contact | FDA Cumulative Estimated Daily Intake (CEDI): FCS FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS 5-ETHYLEDINE-2-NORBORNENE |
|---|
| Reported hazard statements | H226 (46.5%), H304 (20.3%), H315 (45.9%), H317 (15.5%), H319 (25.9%), H332 (94.3%), H335 (24.5%), H373 (18.6%) |
|---|
H226 (46.5%): Flammable liquid and vapor [Warning Flammable liquids]
H304 (20.3%): May be fatal if swallowed and enters airways [Danger Aspiration hazard]
5-Ethylidene-2-norbornene, mixt. of endo-and exo-isomers · CAS 16219-75-3 · C9H12. UNII Q4D40UVR0R. Boiling Point: 297.7 °F at 760 mmHg (USCG, 1999); Boiling Point: 67 °C @ 50 MM HG; Boiling Point: 148 °C.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.