Basic information
- CAS
21662-16-8- Standard SMILES
CCCCCCC/C=C/C=C/C=O- InChIKey
QKTZBZWNADPFOL-BNFZFUHLSA-N- Molecular formula
- C12H20O
- Average molar mass
- 180.29 g/mol
- Monoisotopic mass
- 180.15141526
Overview
(2E,4E)-2,4-Dodecadienal is a polyunsaturated fatty aldehyde.
Names & identifiers
- Preferred name
- 2,4-Dodecadienal, (2E,4E)-
- IUPAC
- (2E,4E)-dodeca-2,4-dienal
- English name
- (E,E)-2,4-Dodecadienal
- Molecular formula
- C12H20O
- Molecular weight
- 180.29
Names & synonyms
21662-16-8(E,E)-2,4-dodecadienal(2E,4E)-Dodeca-2,4-dienalTrans,trans-2,4-dodecadienal(E,E)-2,4-Dodecadien-1-al2,4-Dodecadienal, (E,E)-2,4-Dodecadienal, (2E,4E)-(trans,trans)-2,4-DodecadienalFEMA No. 36702,4-Dodecadienal, trans,trans-VO340RJ9LUEINECS 244-517-1
Show more names
2,4-DODECADIENALFEMA 36702,4-DODECADIEN-1-AL(e,e)-4-dodecadienal4-Dodecadienal,(E,E)-2trans,trans-Dodecadienal
DTXSID808851752-TRANS-4-TRANS-DODECADIENAL2,4-DODECADIEN-1-AL, (E,E)-RefChem:443879DTXCID80909724TRANS,TRANS-2,4-DODECADIENAL, (2E,4E)-TRANS,TRANS-2,4-DODECADIENAL, (2E,4E)-[FHFI](2E,4E)-2,4-Dodecadienal
Database identifiers
- CAS
21662-16-8- PubChem CID
- 5367530
- DTXSID
DTXSID80885175- ChEBI
CHEBI:171898
Properties
Computed structural properties
- XLogP
- 4.3
- Topological polar surface area
- 17.1 Ų
- Hydrogen bond donors
- 0
- Hydrogen bond acceptors
- 1
- Rotatable bonds
- 8
- Heavy atoms
- 13
- Formal charge
- 0
- Complexity
- 157
Experimental & physicochemical properties
Food Additives
FLAVOR ENHANCER, FLAVORING AGENT OR ADJUVANT -> FDA Substance added to food
Food
Density0.983-0.989
Flavoring AgentsEU Flavoring substances
Solubility
Slightly soluble in water; miscible in oils
soluble (in ethanol)
Boiling Point
130.00 °C. @ 6.00 mm Hg
130 °C (6 mm Hg)
Refractive Index1.470-1.476
Physical DescriptionOily liquid; light, faint spicy aroma
Physicochemical properties
- Boiling point
- 130 °C · 130°C 6mm
- Density
- 0.865 g/mL · 0.865 g/mL at 20 °C(lit.)
Safety & regulation
Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.
GHS classification
GHS Classification
This chemical does not meet GHS hazard criteria for 7.8% (113 of 1443) of reports.
Warning
H315 (92.2%): Causes skin irritation [Warning Skin corrosion/irritation]
P264, P280, P302+P352, P321, P332+P317, and P362+P364 (click each P-code to see the statement)
Aggregated GHS information provided per 1443 reports by companies from 6 notifications to the ECHA C&L Inventory.
Hazard information
Regulatory Information
Chemical: 2,4-Dodecadienal, (E,E)-
Commission Regulation (EC) No 1565/2000 (Repealed by Com. Implementing Reg. (EU) No 872/2012)
2,4-Dodecadienal, (2E,4E)-: Does not have an individual approval but may be used under an appropriate group standard
Hazard Classes and CategoriesSkin Irrit. 2 (92.2%)
Safety data
- F
- 10-23
- PPE
- dust mask type N95 (US), Eyeshields, Gloves
- wgk
- 3
- tsca
- TSCA listed
- risk_code
- 36/37/38
- Signal word
- Warning
- Symbol(GHS)
- GHS07
- hazard_code
- Xi
- safety_code
- 26-36
- Storage Class
- 11 - Combustible Solids
- target organs
- Respiratory system
- Hazard statements
Chemistry & industry
Pharmacology
Cellular LocationsExtracellular
Uses & manufacturing
Use Classification
Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes
Flavoring Agents -> JECFA Flavorings Index
General Manufacturing Information2,4-Dodecadienal, (2E,4E)-: ACTIVE
Applications
OccurrenceReported found in “country-cured” ham, oxidized milk and potato chips.
Usesflavors and fragrances
Suppliers37 total
Hebei baicao biology science and technology co., ltd+86-19131911055 17824879454 · [email protected]
武汉欣扬瑞和化学科技有限公司153-07155313 15307155313 · [email protected]
清宁生物（江苏博泉生物科技有限公司）19352250998 · [email protected]
江苏艾康生物医药研发有限公司025-025-66113011 15955137747 · [email protected]
Dayang Chem (Hangzhou) Co.,Ltd.+86-0571-88938639 17705817739 · [email protected]
上海迈瑞尔生化科技有限公司4006356688 18621169109 · [email protected]
武汉易泰科技有限公司上海分公司
Related reactions
1 records
Compound notes
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