trans,trans-2,4-Dodecadienal (CAS 21662-16-8) — formula C12H20O, molecular weight 180.15 g/mol; category food flavors.
trans,trans-2,4-Dodecadienal (CAS 21662-16-8) is a chemical raw material in the food flavors category. Its molecular formula C12H20O comprises 12 C, 20 H, 1 O atoms. Its molecular weight is about 180.15 g/mol. Reported physicochemical data: boiling point around 130.00 °C. @ 6.00 mm Hg, LogP about 4.3. 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 | 21662-16-8 |
|---|---|
| Molecular Formula | C12H20O |
| Molecular Weight | 180.15 g/mol |
| Boiling Point | 130.00 °C. @ 6.00 mm Hg |
| LogP | 4.3 |
| Packaging | 25/50kg woven bags, 20/25/50kg fibre drums, 200kg plastic drums, 1000kg IBC (subject to order confirmation) |
| Applications | 典型应用领域：食品增香, 日化。规格/纯度：以批次 COA 为准。包装：25/50kg 编织袋, 20/25/50kg 纸板桶, 200kg 塑料桶, 1000kg IBC（以订单确认为准）。储存：阴凉干燥, 密封保存 |
| Category | Flavors |
Documented applications: 典型应用领域：食品增香, 日化。规格/纯度：以批次 COA 为准。包装：25/50kg 编织袋, 20/25/50kg 纸板桶, 200kg 塑料桶, 1000kg IBC（以订单确认为准）。储存：阴凉干燥, 密封保存.
trans,trans-2,4-Dodecadienal is a flavoring compound with CAS registry number 21662-16-8 and molecular formula C12H20O (molecular weight 180.15 g/mol), belonging to the food flavors segment of chemical raw materials.
CAS number: 21662-16-8
Its molecular formula C12H20O comprises 12 C, 20 H, 1 O atoms.
Also known as: trans,trans-2,4-Dodecadienal · (E,E)-2,4-十二碳二烯醛
Category: food flavors
The CAS registry number of trans,trans-2,4-Dodecadienal is 21662-16-8.
Molecular formula C12H20O, molecular weight 180.15 g/mol.
It is also registered under: trans,trans-2,4-Dodecadienal, (E,E)-2,4-十二碳二烯醛.
Recorded applications: 典型应用领域：食品增香, 日化。规格/纯度：以批次 COA 为准。包装：25/50kg 编织袋, 20/25/50kg 纸板桶, 200kg 塑料桶, 1000kg IBC（以订单确认为准）。储存：阴凉干燥, 密封保存.
Category: Flavors.
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 trans,trans-2,4-Dodecadienal (CAS 21662-16-8), compiled from public chemistry databases.
| CAS Registry Number | 21662-16-8 |
|---|---|
| PubChem CID | 5367530 |
| Molecular formula | C12H20O |
| Molecular weight | 180.15 g/mol |
| IUPAC name | (2E,4E)-dodeca-2,4-dienal |
| InChIKey | QKTZBZWNADPFOL-BNFZFUHLSA-N |
| UNII (FDA) | VO340RJ9LU |
| ChEBI ID | CHEBI:171898 |
| FEMA number | 3670 |
| JECFA number | 1196 |
| Molecular Weight | 180.29 |
|---|---|
| XLogP3 | 4.3 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 1 |
| Rotatable Bond Count | 8 |
| Exact Mass | 180.151415257 |
| Monoisotopic Mass | 180.151415257 |
| Topological Polar Surface Area | 17.1 |
| Heavy Atom Count | 13 |
| Boiling Point | 130.00 °C. @ 6.00 mm Hg |
|---|---|
| Boiling Point | 130 °C (6 mm Hg) |
| Density | 0.983-0.989 |
| Refractive Index | 1.470-1.476 |
21662-16-8; (E,E)-2,4-dodecadienal; (2E,4E)-Dodeca-2,4-dienal; Trans,trans-2,4-dodecadienal; (E,E)-2,4-Dodecadien-1-al; 2,4-Dodecadienal, (E,E)-; 2,4-Dodecadienal, (2E,4E)-; (trans,trans)-2,4-Dodecadienal; FEMA No. 3670; 2,4-Dodecadienal, trans,trans-; VO340RJ9LU; EINECS 244-517-1; DTXSID80885175; 2-TRANS-4-TRANS-DODECADIENAL; 2,4-DODECADIEN-1-AL, (E,E)-; RefChem:443879
| Regulatory & Food Contact | EU Flavoring substances FDA Substance added to food: FLAVOR ENHANCER, FLAVORING AGENT OR ADJUVANT Flavoring Agents FLAVOURING_AGENT: Flavouring Agent Fruit No safety concern at current levels of intake when used as a flavouring agent |
|---|---|
| GHS notification summary | 7.8% (113 / 1443) |
| GHS notification summary | 7.8% (113 / 1443) |
|---|---|
| Reported hazard statements | H315 (92.2%) |
This chemical does not meet GHS hazard criteria for 7.8% (113 of 1443) of reports.
H315 (92.2%): Causes skin irritation [Warning Skin corrosion/irritation]
trans,trans-2,4-Dodecadienal is identified by CAS 21662-16-8, molecular formula C12H20O and molecular weight 180.15 g/mol. UNII VO340RJ9LU; ChEBI 171898; InChIKey QKTZBZWNADPFOL-BNFZFUHLSA-N. Boiling Point: 130.00 °C. @ 6.00 mm Hg; Boiling Point: 130 °C (6 mm Hg); Density: 0.983-0.989.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: (E,E)-2,4-十二碳二烯醛